Dr. Gerald Kehr
Senior Scientist
Room OCBC I 223
Corrensstrasse 36
48149 Münster
phone: +49 251 83 36518
kehrald[at]uni-muenster.de
Ranking with research.com: University of Münster - Chemistry
Publications:
2024_________________________________________________
457 "Polar covalent apex-base bonding in borapyramidanes probed by solid-state NMR and DFT calculations",
D. J. Luder, N. Terefenko, Q. Sun, H. Eckert, C. Mück-Lichtenfeld, G. Kehr, G. Erker, T. Wiegand,
Chem. Eur. J. 2024, 30, e202303701. doi: 10.1002/chem.202303701
2023_________________________________________________
456 "Molecular Pyramids - from tetrahedranes to [6]pyramidanes",
Q. Sun, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Nat. Rev. Chem. 2023, 7, 732-746.
doi: 10.1038/s41570-023-00525-7
455 "The B=C bond: some recent developments",
C. Chen, G. Kehr, G. Erker, Org. Chem. Front. 2023, 10, 4161-4166.
doi: 10.1039/d3qo00796k
454 "Bora-alkenes: Metal Coordination and Reactions with BH-boranes",
C. Chen, C. G. Daniliuc, G. Kehr, G. Erker, Chem.Eur. J. 2023, 29, e202301044.
doi: 10.1002/chem.202301044
453 "Boraalkenes Made by a Hydroboration Route: Cycloaddition and B=C Bond Cleavage Reactions",
X. Jie, C. Chen, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. 2023, 135, e202214700;
doi: 10.1002/ange.202214700
"Boraalkenes Made by a Hydroboration Route: Cycloaddition and B=C Bond Cleavage Reactions",
X. Jie, C. Chen, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2023, 62, e202214700.
doi: 10.1002/anie.202214700
2022_________________________________________________
452 "Generation of boryl-nitroxide radicals from a boraalkene via the nitroso ene reaction",
C. Chen, C. G. Daniliuc, S. Klabunde, M. R. Hansen, G. Kehr, G. Erker, Chem. Sci. 2022, 13, 10891-10896. doi: 10.1039/d2sc02485c
451 "Formation of a Hybrid 1-Bora-3-boratabenzene Heteroarene Anion Derivative",
Q. Sun, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. 2022, 134, e202205565;
doi: 10.1002/ange.202205565
"Formation of a Hybrid 1-Bora-3-boratabenzene Heteroarene Anion Derivative",
Q. Sun, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2022, 61, e202205565. doi: 10.1002/anie.202205565
450 "A deprotonation pathway to reactive [B]=CH2 boraalkenes",
K. Škoch, C. Chen, C. G. Daniliuc, G. Kehr, G. Erker, Dalton Trans. 2022, 51, 7695-7704.
doi: 10.1039/d2dt01193j
449 "Borole/Borapyramidane Relationship",
Q. Sun, C. G. Daniliuc, X. Yu, C. Mück-Lichtenfeld, G. Kehr, G. Erker, J. Am. Chem. Soc. 2022, 144, 7815-7821. doi: 10.1021/jacs.2c01727
448 "Stereochemical Behavior of Pairs of P-stereogenic Phosphanyl Groups at the Dimethylxanthene Backbone",
K. Škoch, C. G. Daniliuc, M. Müller, S. Grimme, G. Kehr, G. Erker, Chem. Eur. J. 2022, 28, e202200248. doi: 10.1002/chem.202200248
447 "Proton-phosphorus connectivities revealed by high-resolution proton-detected solid-state NMR",
A. A. Malär, Q. Sun, J. Zehnder, G. Kehr, G. Erker, T. Wiegand, Phys. Chem. Chem. Phys. 2022, 24, 7768-7778. doi: 10.1039/d2cp00616b
446 "An olefin-based multi-component reaction to yield 1,2-azaborolidine derivatives",
J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Dalton Trans. 2022, 51, 1775-1778.
doi: 10.1039/d1dt04337d
445 "Substituent Dependent Cyclization Reactions of 1,1’-Bis(alkynyl)ferrocenes with the (C6F5)BH2·SMe2 Hydroboration Reagent",
K. Škoch, C. G. Daniliuc, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2022, e202100838.
doi: 10.1002/ejic.202100838
[This article also appears in the Special Collections of Eur. J. Inorg. Chem. 2022: "Ferrocene Chemistry"]
2021_________________________________________________
444 "N-Heterocyclic Carbene Stabilzed 1-Bora-1,3-butadienes",
C. Chen, C. G. Daniliuc, G. Kehr, G. Erker, J. Am. Chem. Soc. 2021, 143, 21312-21320.
doi: 10.1021/jacs.1c09774
443 "Three-Component Reaktion to 1,4,2-Diazaborole-Type Heteroarene Systems",
J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. 2021, 133, 27259-27267;
doi: 10.1002/ange.202111946
"Three-Component Reaktion to 1,4,2-Diazaborole-Type Heteroarene Systems",
J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2021, 60, 27053-27061.
doi: 10.1002/anie.202111946
442 "Ring Construction by 1,1-Carboboration; Making Anthracene Derivatives from a Tetra(alkynyl)benzene",
R. Liedtke, S. Surmiak, X. Jie, C. G. Daniliuc, G. Kehr, G. Erker, Helv. Chim. Acta 2021, 104, e2100149. doi: 10.1002/hlca.202100149
441 "The Bis(η6-benzene)lithium Cation: A Fundamental Main-Group Organometallic Species",
X. Jie, J. Li, C. G. Daniliuc, A.-L. Wübker, M. R. Hansen, H. Eckert, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. 2021, 133, 23061-23066;
doi: 10.1002/ange.202108376
"The Bis(η6-benzene)lithium Cation: A Fundamental Main Group Organo-metallic Species",
X. Jie, J. Li, C. G. Daniliuc, A.-L. Wübker, M. R. Hansen, H. Eckert, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2021, 60, 22879-22884.
doi: 10.1002/ange.202108376
440 "Carbon Monoxide Coupling Reactions via a Frustrated Lewis Pair-Derived η2-Formyl Borane",
Q. Sun, C. G. Daniliuc, K. Bergander, G. Kehr, G. Erker, J. Am. Chem. Soc. 2021, 143, 14992-14997. doi: 10.1021/jacs.1c07465
439 "Frustrated Lewis-Pair Neighbors at the Xanthene Framework: Epimerization at Phosphorus and Cooperative Formation of Macrocyclic Adduct Structures",
K. Škoch, C. G. Daniliuc, G. Kehr, S.Ehlert, M. Müller, S. Grimme, G. Erker, Eur. J. Chem. 2021, 27, 12104-12114. doi: 10.1002/chem.202100835
438 "Formation and Cycloaddition Reactions of a Reactive Boraalkene Stabilized Internally by N-Heterocyclic Carbene",
C. Chen, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. 2021, 133, 20258-20064;
doi: 10.1002/ange.202106724
"Formation and Cycloaddition Reactions of a Reactive Boraalkene Stabilized Internally by N-Heterocyclic Carbene",
C. Chen, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2021, 60, 19905-19911.
doi: 10.1002/anie.202106724
437 "Multi-component synthesis of dihydro-1,3-azaborinine derived oxindole isosteres",
J. Li, C. G. Daniliuc, J. Matern, G. Fernández, G. Kehr, G. Erker, Chem. Commun. 2021, 57, 7689-7692. doi: 10.1039/d1cc02557k
436 "Formation of amidino-borate derivatives by a multi-component reaction",
J. Li, C. D. Daniliuc, G. Kehr, G. Erker, Org. Biomol. Chem. 2021, 19, 5551-5554.
doi: 10.1039/d1ob00775k
435 "Alkyne 1,1-Hydroboration to a Reactive Frustrated P/B-H Lewis Pair",
K. Škoch, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. 2021, 133, 6831-6837;
doi: 10.1002/ange.202014562
"Alkyne 1,1-Hydroboration to a Reactive Frustrated P/B-H Lewis Pair",
K. Škoch, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2021, 60, 6757-6763.
doi: 10.1002/anie.202014562
434 "Reaction of carbon oxides with an ethylene-bridges PH/B Lewis pair",
Q. Sun, C. G. Daniliuc, G. Kehr, G. Erker, Dalton Trans. 2021, 50, 3523-3528.
doi: 10.1039/d1dt00459j
433 "Introducing the Dihydro-1,3-azaboroles: Convenient Entry by a Three-Component Reaction, Synthetic and Photophysical Application",
J. Li, C. G. Daniliuc, K. K. Kartha, G. Fernández, G. Kehr, G. Erker, J. Am. Chem. Soc. 2021, 143, 2059-2067. doi: 10.1021/jacs.0c12236
432 T. Wang, C. G. Daniliuc, G. Kehr, G. Erker "FLP Reduction of Carbon Monoxide and Related Reactions", in J. C. Slootweg, A. R. Jupp (eds.) “Frustrated Lewis Pairs”, Molecular Catalysis 2021, 2, 87-112.
doi: 10.1007/978-3-030-58888-5
2020_________________________________________________
431 "A BH Borenium-Derived Thioxoborane, Its Persulfide and Their Li+-Induced Reactions with Alkynes and with Carbon Dioxide",
C. Chen, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, J. Am. Chem. Soc. 2020, 142, 19763-19771. doi: 10.1021/jacs.0c10078
430 "The [(NHC)B(H)C6F5]+ Cations and Their [B](H)-CO Borane Carbonyls",
C. Chen, J. Li, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. 2020, 132, 21644-21648; doi: 10.1002/ange.202009353
"The [(NHC)B(H)C6F5]+ Cations and Their [B](H)-CO Borane Carbonyls",
C. Chen, J. Li, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2020, 59, 21460-21464. doi: 10.1002/anie.202009353
429 "Reductive Cleavage of the CO Molecule by a Reactive Vicinal Frustrated PH/BH Lewis Pair",
Q. Sun, C. G. Daniliuc, C. Mück-Lichtenfeld, K. Bergander, G. Kehr, G. Erker, J. Am. Chem. Soc. 2020, 142, 17260-17264. doi: 10.1021/jacs.0c07161
428 "Using the FpXylBH2‧SMe2 reagent for the regioselective synthesis of cyclic bis(alkenyl)boranes",
K. Škoch, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Commun. 2020, 56, 12178-12181.
doi: 10.1039/d0cc05230b
427 "A rare olefin 1,1-carboboration reaction opens a synthetic pathway to an unusually structured frustrated Lewis pair",
C. Chen, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Chem. Commun. 2020, 56, 8806-8809.
doi: 10.1039/d0cc01255f
426 "Cyclobutene Formation by Borane Catalyzed [2+2] Cycloaddition of a Vinylphosphane with Conjugated Ynones",
X. Tao, M. M. Gruber, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2020, 2270-2272. doi: 10.1002/ejic.202000293
425 "Using the Secondary PH/BH Functional Groups of an Active eminal Frustrated Lewis Pair for Carbon Monoxide Reduction and Reaktions with Nitriles and Isonitriles",
J. Li, C. Mück-Lichtenfeld, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. 2020, 132, 12577-12583;
doi: 10.1002/ange.202000612
"Using the Secondary PH/BH Functional Groups of an Active eminal Frustrated Lewis Pair for Carbon Monoxide Reduction and Reaktions with Nitriles and Isonitriles",
J. Li, C. Mück-Lichtenfeld, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2020, 59, 12477-12483.
doi: 10.1002/anie.202000612
424 "Total Chemical Syntheses of the GM3 and F−GM3 Ganglioside Epitopes and Comparative Pre-Clinical Evaluation for Non-Invasive Imaging of Oligodendrocyte Differentiation",
T. J. Kieser, N. Santschi, L. Nowack, A. Axer, G. Kehr, S. Albrecht, R. Gilmour, ACS Chem. Neurosci. 2020, 11, 2129-2136. doi: 10.1021/acschemneuro.0c00319
423 "Reaction of an anionic chelate phosphane/borata-alkene ligand with [Rh(nbd)Cl]2, [Rh(CO)2Cl]2 and [Ir(cod)Cl]2",
K. Watanabe, A. Ueno, X. Tao, K. Škoch, X. Jie, S. Vagin, B. Rieger, C. G. Daniliuc, M. Letzel, G. Kehr, G. Erker, Chem. Sci. 2020, 11, 7349-7355. doi: 10.1039/d0sc02223c
422 "Halogen-directed chemical sialylation: pseudostereodivergent access to marine ganglioside epitopes",
T. Hayashi, A. Axer, G. Kehr, K. Bergander, R. Gilmour, Chem. Sci. 2020, 11, 6527-6531.
doi: 10.1039/d0sc01219j
421 "Borane-Mediated Vinylphosphane Cycloaddition to Conjugated Ynones",
J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2020, 1096-1100.
doi: 10.1002/ejic.201901085
420 "Solid-State NMR Techniques for the Structural Characterization of Cyclic Aggregates Based on Borane-Phosphane Frustrated Lewis Pairs",
R. Knitsch, M. Brinkkötter, T. Wiegand, G. Kehr, G. Erker, M. R. Hansen, H. Eckert, Molecules 2020, 25, 1400. doi: 10.3390/molecules25061400
419 "Borane-induced ring closure reaction of oligomethylene-linked bis-allenes",
X. Tao, K. Škoch, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Sci. 2020, 11, 1542-1548.
doi: 10.1039/c9sc03870a
418 "Cycloaddition Reactions of an Active Cyclic Phosphane/Borane Pair with Alkenes, Alkynes and Carbon Dioxide",
X. Jie, Q. Sun, C. G. Daniliuc, R. Knitsch, M. R. Hansen, H. Eckert, G. Kehr, G. Erker, Chem. Eur. J. 2020, 26, 1269-1273. doi: 10.1002/chem.201905171
417 "Formation of Active Cyclic Five-membered Frustrated Phosphane/Borane Lewis Pairs and their Cycloaddition Reactions",
S. Dong, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Eur. J. 2020, 26, 745-753.
doi: 10.1002/chem.201904919
2019_________________________________________________
416 "Diels-Alder route to norbornane derived vicinal phosphane/borane frustrated Lewis pairs for the metal-free catalytic hydrogenation of α,β-unsaturated ketones",
C. Wölke, C. G. Daniliuc, G. Kehr, G. Erker, J. Organomet. Chem. 2019, 899, 120879.
doi: 10.1016/j.jorganchem.2019.120879
415 "Multi-Component Synthesis of Rare 1,3-Dihydro-1,3-azaborinine Derivatives: Application of a Bora-Nazarov Type Reaction",
J. Li, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. 2019, 131, 15521-15524;
doi: 10.1002/ange.201909530
"Multi-Component Synthesis of Rare 1,3-Dihydro-1,3-azaborinine Derivatives: Application of a Bora-Nazarov Type Reaction",
J. Li, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2019, 58, 15377-15380.
doi: 10.1002/anie.201909530
414 "Arylallenes and the halogeno-B(C6F5)2 reagents: facile formation of 2-borylindenes",
X. Tao, C. G. Daniliuc, K. Soloviova, C. A. Strassert, G. Kehr, G. Erker, Chem. Commun. 2019, 55, 10166-10169. doi: 10.1039/c9cc04199k
413 "Carbon-carbon bond forming reactions of acetylenic esters and ketones within frustrated phosphane/borane Lewis pair frameworks",
L. Wang, J. Li, D. Deng, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Dalton Trans. 2019, 48, 11921-11926. doi: 10.1039/c9dt02624j
412 "Dihydrogen Splitting by Intramolecular Borane-Phosphane Frustrated Lewis Pairs: A Comprehensive Characterization Strategy Using Solid State NMR and DFT Calculations",
R. Knitsch, T. Özgün, G.-Q. Chen, G. Kehr, G. Erker, M. R. Hansen, H. Eckert, ChemPhysChem 2019, 20, 1937-1849. doi: 10.1002/cphc.201900406
411 "The XB(C6F5)2 Halogenoborane Route to Phosphole Derivatives",
J. Möricke, A. Ueno, B. Wibbeling, C. G. Daniliuc, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2019, 2912-2917.
doi: 10.1002/ejic.201900505
410 "Preparation of the Borane (Fmes)BH2 and its Utilization in the FLP Reduction of Carbon Monoxide and Carbon Dioxide",
J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. 2019, 131, 6809-6813;
doi: 10.1002/ange.201901634
"Preparation of the Borane (Fmes)BH2 and its Utilization in the FLP Reduction of Carbon Monoxide and Carbon Dioxide",
J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2019, 58, 6737-6741.
doi: 10.1002/anie.201901634
[Corrigendum: Angew. Chem. 2019, 131, 10899; doi: 10.1002/ange.201906798
Angew. Chem. Int. Ed. 2019, 58, 10785. doi: 10.1002/anie.201906798]
409 "Macrocycle Formation by Cooperative Selection at a Double-Sited Frustrated Lewis Pair",
L. Wang, D. Deng, K. Škoch, C. G. Daniliuc, G. Kehr, G. Erker, Organometallics 2019, 38, 1897-1902.
doi: 10.1021/acs.organomet.9b00002
408 "Unsaturated vicinal frustrated phosphane/borane Lewis pairs as ligands in gold(I) chemistry ",
A. Ueno, K. Watanabe, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Commun. 2019, 55, 4367-4370.
doi: 10.1039/ c9cc01136f
407 "Consecutive intermolecular 1,1-carboboration reactions of Me3Si-substituted alkynes with the halogeno-B(C6F5)2 reagents",
K. Škoch, C. Pauly, C. G. Daniliuc, K. Bergander, G. Kehr, G. Erker, Dalton Trans. 2019, 48, 4837-4845.
doi: 10.1039/c9dt00413k
406 "Characterization of H2-Splitting Products of Frustrated Lewis Pairs: Benefit of Fast Magic-Angle Spinning",
A. A. Malär, S. Dong, G. Kehr, G. Erker, B. H. Meier, T. Wiegand, ChemPhysChem 2019, 20, 672-679.
doi: 10.1002/cphc.201900006
405 "Stereospecific α-Sialylation by Site-Selective Fluorination",
T. Hayashi, G. Kehr, K. Bergander, R. Gilmour, Angew. Chem. 2019, 131, 3854-3858;
doi: 10.1002/ange.201812963
"Stereospecific α-Sialylation by Site-Selective Fluorination",
T. Hayashi, G. Kehr, K. Bergander, R. Gilmour, Angew. Chem. Int. Ed. 2019, 58, 3814-3818.
doi: 10.1002/anie.12963
404 "Halogenoborane mediated allene cyclooligomerization",
X. Tao, C. Wölke, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Sci. 2019, 10, 2478-2482.
doi: 10.1039/c8sc04790a
403 "The Taming of Redox-Labile Phosphidotitanocene Cations",
A. T. Normand, Q. Bonnin, S. Brandès, P. Richard, P. Fleurat-Lessard, C. Devillers, C. Balan, P. Le Gendre, G. Kehr, G. Erker, Chem. Eur. J. 2019, 25, 2803-2815. doi: 10.1002/chem.201805430
402 "Aggregation Behavior of a Six-Membered Cyclic Frustrated Phosphane/Borane Lewis Pair: Formation of a Supramolecular Cyclooctameric Macrocyclic Ring System",
X. Jie, C. G. Daniliuc, R. Knitsch, M. R. Hansen, H. Eckert, S. Ehlert, S. Grimme, G. Kehr, G. Erker, Angew. Chem. 2019, 131, 892-896; doi: 10.1002/ange.201811873
"Aggregation Behavior of a Six-Membered Cyclic Frustrated Phosphane/Borane Lewis Pair: Formation of a Supramolecular Cyclooctameric Macrocyclic Ring System",
X. Jie, C. G. Daniliuc, R. Knitsch, M. R. Hansen, H. Eckert, S. Ehlert, S. Grimme, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2019, 58, 882-886. doi: 10.1002/anie.201811873
401 "Developing carbon Lewis base/boron Lewis acid frustrated Lewis pair chemistry derived from conjugated dienamines",
J. Möricke, F. Rehwinkel, T. Danelzik, C. G. Daniliuc, B. Wibbeling, G. Kehr, G. Erker, Tetrahedron 2019, 75, 571-579. doi: 10.1016/j.tet.2018.11.068
2018_________________________________________________
400 "Phosphirenium borate betaines from alkynylphosphanes and the halogeno-B(C6F5)2 reagents",
A. Ueno, J. Möricke, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Commun. 2018, 54, 13746-13749.
doi: 10.1039/c8cc07189f
399 "Exploring physicochemical space via a bioisostere of the trifluoromethyl and ethyl groups (BITE): attenuating lipophilicity in fluorinated analogues of Gilenya® for multiple sclerosis",
N. Erdeljac, G. Kehr, M. Ahlqvist, L. Knerr, R. Gilmour, Chem. Commun. 2018, 54, 12002-12005.
doi: 10.1039/c8cc05643a
398 "A convenient route to internally phosphane-stabilized aryltriborane(7) compounds",
J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Commun. 2018, 54, 12606-12609.
doi: 10.1039/c8cc06728g
397 "The Borole Route to Reactive Pentafluorophenyl-Substituted Diboranes(4)",
F. Ge, X. Tao, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. 2018, 130, 14778-14782;
doi: 10.1002/ange.201807743
"The Borole Route to Reactive Pentafluorophenyl-substituted Diboranes(4)",
F. Ge, X. Tao, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2018, 57, 14570-14574.
doi: 10.1002/anie.201807743
396 "The special role of B(C6F5)3 in the single electron reduction of quinones by radicals",
X. Tao, C. G. Daniliuc, R. Knitsch, M. R. Hansen, H. Eckert, M. Lübbesmeyer, A. Studer, G. Kehr, G. Erker, Chem. Sci. 2018, 9, 8011-8018. doi: 10.1039/c8sc03005g
395 "Borane-Induced Dimerization of Arylallenes",
X. Tao, C. G. Daniliuc, D. Dittrich, G. Kehr, G. Erker, Angew. Chem. 2018, 130, 14118-14122;
doi: 10.1002/ange.201808436
"Borane-Induced Dimerization of Arylallenes",
X. Tao, C. G. Daniliuc, D. Dittrich, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2018, 57, 13922-13926.
doi: 10.1002/anie.201808436
394 "A Route toward (Aminomethyl)cyclopentadienide Ligands and Their Group 4 Metal Complexes",
Q. Bonnin, S.-Y. Wong, C. Balan, V. Comte, R. Malacea, M.-J. Penouilh, P. Richard, G. Kehr, A. T. Normand, G. Erker, P. Le Gendre, Eur. J. Inorg. Chem. 2018, 3813-3821. doi: 10.1002/ejic.201800636
393 "Unusual 1,1-Hydroboration Route to a Reactive Unsaturated Vicinal Frustrated Phosphine/Borane Lewis Pair",
A. Ueno, X. Tao, C. G. Daniliuc, G. Kehr, G. Erker, Organometallics 2018, 37, 2665-2668.
doi: 10.1021/acs.organomet.8b00481
[Corrigendum: Organometallics 2019, 38, 2699. doi: 10.1021/acs.organomet.9b00395]
392 "Formation of borata-alkene/iminium zwitterions by ynamine hydroboration",
L. Wang, Z. Jian, C. G. Daniliuc, G. Kehr, G. Erker, Dalton Trans. 2018, 47, 10853-10856.
doi: 10.1039/c8dt02435a
391 "Metal-free Acetylene Coupling by the (C6F5)2B-X 1,2-Halogenoboration Reaction",
A. Ueno, J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Eur. J. 2018, 24, 10044-10048.
doi: 10.1002/chem.201802084
390 "Selective formation of heterocyclic trans-cycloalkenes by alkyne addition to a biphenylene-based phosphane/borane frustrated Lewis pair",
J. Li, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Commun. 2018, 54, 6344-6347.
doi: 10.1039/c8cc03369b
389 "Fluorocyclisation via I(I)/I(III) catalysis: a concise route to fluorinated oxazolines",
F. Scheidt, C. Thiehoff, G. Yilmaz, S. Meyer, C. G. Daniliuc, G. Kehr, R. Gilmour, Beilstein J. Org. Chem. 2018, 14, 1021-1027. doi: 10.3762/bjoc.14.88
388 "Conformational control enabled by the fluorine gauche effect in a model of the β2-AR agonist salbutamol (Ventolin™)",
C. S. Teschers, C. G. Daniliuc, G. Kehr, R. Gilmour, J. Fluorine Chem. 2018, 210, 1-5.
doi: 10.1016/j.jfluchem.2018.02.007
387 "Zirconocene mediated acetylboron chemistry",
Z. Jian, C. G. Daniliuc, G. Kehr, G Erker, Chem. Commun. 2018, 54, 5724-5727.
doi: 10.1039/c8cc02680g
386 "Solid state frustrated Lewis pair chemistry",
L. Wang, G. Kehr, C. G. Daniliuc, M. Brinkkötter, T. Wiegand, A.-L. Wübker, H. Eckert, L. Liu, J. G. Brandenburg, S. Grimme, G. Erker, Chem. Sci. 2018, 9, 4859-4865.
doi: 10.1039/c8sc01089g
385 "Fluorine-Directed Glycosylation Enables the Stereocontrolled Synthesis of Selective SGLT2 Inhibitors for Type II Diabetes",
A. Sadurní, G. Kehr, M. Ahlqvist, J. Wernevik, H. P. Sjögren, C. Kankkonen, L. Knerr, R. Gilmour, Chem. Eur. J. 2018, 24, 2832-2836. doi: 10.1002/chem.201705373
384 "Formation and reactions of active five-membered phosphane/borane frustrated Lewis pair ring systems",
S. Dong, L. Wang, T. Wang, C. G. Daniliuc, M. Brinkkötter, H. Eckert, G. Kehr, G Erker, Dalton Trans. 2018, 47, 4449-4454. doi: 10.1039/c8dt00672e
383 "Metal-Free Carbonylation Route to a Reactive Borataepoxide System",
T. Wang, G. Kehr, C. G. Daniliuc, G. Erker, Organometallics 2018, 37, 1040-1049.
doi: 10.1021/acs.organomet.8b00035
382 "Formation of Reactive π-Conjugated Frustrated N/B Pairs by Borane-Induced Propargyl Amine Rearranement",
T. Wang, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Kehr, G. Erker, J. Am. Chem. Soc. 2018, 140, 3635-3643.
doi: 10.1021/jacs.7b11958
381 "Single Site Fluorination of the GM4 Ganglioside Epitope Upregulates Oligodendrocyte Differentiation",
T. J. Kieser, N. Santschi, L. Nowack, G. Kehr, T. Kuhlmann, S. Albrecht, R. Gilmour, ACS Chem. Neurosci. 2018, 9, 1159-1165. doi: 10.1021/acschemneuro.8b00002
380 "Harnessing the MaltodextrinTransport Mechanism for Targeted Bacterial Imaging:Structural Requirements for Improved in vivo Stability in Tracer Design",
A. Axer, S. Hermann, G. Kehr, D. Clases, U. Karst, L. Fischer-Riepe, J. Roth, M. Fobker, M. Schäfers, R. Gilmour, A. Faust, ChemMedChem 2018, 13, 241-250. doi: 10.1002/cmdc.201700543
379 "Formation of macrocyclic ring systems by carbonylation of trifunctional P/B/B frustrated Lewis pairs",
L. Wang, S. Dong, C. G. Daniliuc, L. Liu, S. Grimme, R. Knitsch, H. Eckert, M. R. Hansen, G. Kehr, G. Erker, Chem. Sci. 2018, 9, 1544-1550. doi: 10.1039/c7sc04394e
2017_________________________________________________
378 "Frustrated Lewis Pair Behavior of an Open, Noninteracting Phosphane/Borane Pair at a Rigid Organic Framework: Exploring Decisive Factors for FLP Acitivity",
K.-Y. Ye, C. G. Daniliuc, S. Dong, G. Kehr, G. Erker, Organometallics 2017, 36, 5003-5012.
doi: 10.1021/acs.organomet.7b00819
377 "Reduction of Dioxygen by Radical/B(C6F4X)3 Pairs to Give Isolable Bis(borane) Superoxide Compounds",
X. Tao, C. G. Daniliuc, O. Janka, R. Pöttgen, R. Knitsch, M. R. Hansen, H. Eckert, M. Lübbesmeyer, A. Studer, G. Kehr, G. Erker, Angew. Chem. 2017, 129, 16868-16871;
doi: 10.1002/ange.201709309
"Reduction of Dioxygen by Radical/B(C6F4X)3 Pairs to Give Isolable Bis(borane)superoxide Compounds",
X. Tao, C. G. Daniliuc, O. Janka, R. Pöttgen, R. Knitsch, M. R. Hansen, H. Eckert, M. Lübbesmeyer, A. Studer, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2017, 56, 16641-16644.
doi: 10.1002/anie.201709309
376 "Deconstructing the Catalytic, Vicinal Difluorination of Alkenes: HF-Free Synthesis and Structural Study of p-TolIF2",
J. C. Sarie, C. Thiehoff, R. J. Mudd, C. G. Daniliuc, G. Kehr, R. Gilmour, J. Org. Chem. 2017, 82, 11792-11798. doi: 10.1021/acs.joc.7b01671
375 "Phosphine-Borane Frustrated Lewis Pairs Derived from a 1,1’-Disubstituted Ferrocene Scaffold: Synthesis and Hydrogenation Catalysis",
Z. Jian, S. Krupski, K. Škoch, G. Kehr, C. G. Daniliuc, I. Císařová, P. Štěpnička, G. Erker, Organometallics 2017, 36, 2940-2946. doi: 10.1021/acs.organomet.7b00363
374 "Making Use of the Functional Group Combination of a Phosphane/Borane Lewis Pair Connected by an Unsaturated Four-Carbon Bridge",
G.-Q. Chen, C. G. Daniliuc, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2017, 4519-4524.
doi: 10.1002/ejic.201700570
373 "Reactions of strongly electrophilic alkenyl(pentafluorophenyl)boranes with the TEMPO Radical",
X. Tao, F. Türkyilmaz, C. G. Daniliuc, G. Kehr, G. Erker, J. Organomet. Chem. 2017, 847, 167-172.
doi: 10.1016/j.jorganchem.2017.03.030
372 "A hydroboration route to eminal P/B frustrated Lewis pairs with a bulky secondary phosphane component and their reaction with carbon dioxide",
Z. Jian, G. Kehr, C. G. Daniliuc, B. Wibbeling, G. Erker, Dalton Trans. 2017, 46, 11715-11721.
doi: 10.1039/c7dt02315d
371 "Utilizing the TEMPO Radical in Zirconocene Cation and Hydrido Zirconocene Chemistry",
Y.-L. Liu, G. Kehr, C. G. Daniliuc, G. Erker, Organometallics 2017, 36, 3407-3414.
doi: 10.1021/acs.organomet.7b00558
370 "Metal-Free Arene and Heteroarene Borylation Catalysed by Strongly Electrophilic Bis-boranes",
Y.-L. Liu, G. Kehr, C. G. Daniliuc, G. Erker, Chem. Eur. J. 2017, 23, 12141-12144.
doi: 10.1002/chem.201701771
369 "Frustrated Lewis Pair Chemistry: Searching for New Reactions",
G. Kehr, G. Erker, Chem. Rec. 2017, 17, 803-815. doi: 10.1002/tcr.201700010
368 "Design and reactions of a carbon Lewis base/boron Lewis acid frustrated Lewis pair",
J. Möricke, B. Wibbeling, C. G. Daniliuc, G. Kehr, G. Erker, Phil. Trans R. A 2017, 375, 20170015.
doi: 10.1098/rsta.2017.0015
367 "Borata-Wittig olefination reactions of ketones, carboxylic esters and amides with bis(pentafluorophenyl)borata-alkene reagents",
T. Wang, S. Kohrt, C. G. Daniliuc, G. Kehr, G. Erker, Org. Biomol. Chem. 2017, 15, 6223-6232.
doi: 10.1039/c7ob01591g
366 "Cooperative carbon monoxide to formyl reduction at a trifunctional PBB frustrated Lewis pair",
L. Wang, S. Zhang, Y. Hasegawa, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Commun. 2017, 53, 5499-5502.
doi: 10.1039/c7cc02214j
365 "CO-Reduction Chemistry: Reaction of a CO-Derived Formylhydridoborate with Carbon Monoxide, with Carbon Dioxide, and with Dihydrogen",
Z. Jian, G. Kehr, C. G. Daniliuc, B. Wibbeling, T. Wiegand, M. Siedow, H. Eckert, M. Bursch, S. Grimme, G. Erker, J. Am. Chem. Soc. 2017, 139, 6474-6483. doi: 10.1021/jacs.7b02548
364 "The Chemistry of a Non-Interacting Vicinal Frustrated Phosphane/Borane Lewis Pair",
L.-M. Elmer, G. Kehr, C. G. Daniliuc, M. Siedow, H. Eckert, M. Tesch, A. Studer, K. Williams, T. H. Warren, G. Erker, Chem. Eur. J. 2017, 23, 6056-6068. doi: 10.1002/chem.201603954
363 "Intermolecular Redox-Neutral Amine C-H Functionalization Induced by the Strong Boron Lewis Acid B(C6F5)3 in the Frustrated Lewis Pair Regime",
G.-Q. Chen, G. Kehr, C. G. Daniliuc, M. Bursch, S. Grimme, G. Erker, Chem. Eur. J. 2017, 23, 4723-4729. doi: 10.1002/chem.201700477
362 "CO/CO, CO/NO and NO/NO coupling at a hidden frustrated Lewis pair templates",
T. Wang, L. Wang, C. G. Daniliuc, K. Samigullin, M. Wagner, G. Kehr, G. Erker, Chem. Sci. 2017, 8, 2457-2463. doi: 10.1039/c6sc04459j
361 "The Tris(pentafluorophenyl)borane-Catalyzed Reaction of Phosphorus/Boron and Nitrogen/Boron Frustrated Lewis Pair Dihydrogen Activation Products with Alkenes and Alkynes",
T. Wang, X. Jentgens, C. G. Daniliuc, G. Kehr, G. Erker, ChemCatChem. 2017, 9, 651-658.
doi: 10.1002/cctc.201601229
360 "Geminal bis-borane formation by borane Lewis acid induced cyclopropyl rearranement and its frustrated Lewis pair reaction with carbon dioxide",
Y.-L. Liu, G. Kehr, C. G. Daniliuc, G. Erker, Chem. Sci. 2017, 8, 1097-1104.
doi: 10.1039/c6sc03468c
359 "Frustrated Lewis Pair vs Metal-Carbon σ-Bond Insertion Chemistry at an o-Phenylene-Bridged Cp2Zr+/PPh2 System",
Z. Jian, C. G. Daniliuc, G. Kehr, G. Erker, Organometallics 2017, 36, 424-434.
doi: 10.1021/acs.organomet.6b00828
358 "Selective Metal-free HB(C6F5)2 Catalyzed Allene Cyclotrimerization: Formation of 1,3,5-Trimethylenecyclohexane and Its Trishydroboration Product",
X. Tao, G. Kehr, C. G. Daniliuc, G. Erker, Angew. Chem. 2017, 129, 1396-1400;
doi: 10.1002/ange.201610530
"Selective Metal-free HB(C6F5)2 Catalyzed Allene Cyclotrimerization: Formation of 1,3,5-Trimethylenecyclohexane and Its Trishydroboration Product",
X. Tao, G. Kehr, C. G. Daniliuc, G. Erker, Angew. Chem. Int. Ed. 2017, 56, 1376-1380.
doi: 10.1002/anie.201610530
357 "A Ferrocene Based Phosphane/Borane Frustrated Lewis Pair for Asymmetric Imine Reduction",
K.-Y. Ye, X. Wang, C. G. Daniliuc, G. Kehr, G. Erker, Eur. J. Inorg. Chem. Soc. 2017, 368-371.
doi: 10.1002/ejic.201600834
356 "Reversible formylborane/SO2 coupling at a frustrated Lewis pair",
K.-Y. Ye, M. Bursch, Z.-W. Qu, C. G. Daniliuc, S. Grimme, G. Kehr, G. Erker, Chem. Commun. 2017, 53, 633-635. doi: 10.1039/c6cc07071j
355 "Synthesis of a Small Cyclic Frustrated Phosphane/Borane Lewis Pair",
J. Ugolotti, G. Kehr, C. G. Daniliuc, G. Erker, Synthesis 2017, 49, 53-58.
doi: 10.1055/s-0036-1588597
2016_________________________________________________
354 "Indirect synthesis of a pair of formal methane activation products at a phosphane/borane frustrated Lewis pair",
S. Frömel, C. G. Daniliuc, C. Bannwarth, S. Grimme, K. Bussmann, G. Kehr, G. Erker, Dalton Trans. 2016, 45, 19230-19233. doi: 10.1039/c6dt04206f
353 "Unsaturated Vicinal Frustrated Lewis Pair Formation by Electrocyclic Ring Closure and Their Reaction with Nitric Oxide",
T. Özgün, G.-Q. Chen, C. G. Daniliuc, A. C. McQuilken, T. H. Warren, R. Knitsch, H. Eckert, G. Kehr, G. Erker, Organometallics 2016, 35, 3667-3680. doi: 10.1021/acs.organomet.6b00627
352 "Borata-Alkene Derived Syntheses of (F5C6)2B-Substituted Bis(indenyl) Group 4 Metal Complexes",
S. Kohrt, G. Kehr, C. G. Daniliuc, R. S. Rojas, B. Rieger, C. Troll, G. Erker, Organometallics 2016, 35, 2689-2693. doi: 10.1021/acs.organomet.6b00427
351 "A Frustrated Phosphane-Borane Lewis Pair and Hydrogen: A Kinetics Study",
T. Özgün, K. Bergander, L. Liu, C. G. Daniliuc, S. Grimme, G. Kehr, G. Erker, Chem. Eur. J. 2016, 22, 11958-11961. doi: 10.1002/chem.201603050
350 "Coupling of Carbon Monoxide with Nitrogen Monoxide at a Frustrated Lewis Pair Template",
K.-Y. Ye, G. Kehr, C. G. Daniliuc, L. Liu, S. Grimme, G. Erker, Angew. Chem. 2016, 128, 9362-9365;
doi: 10.1002/ange.201603760
"Coupling of Carbon Monoxide with Nitrogen Monoxide at a Frustrated Lewis Pair Template",
K.-Y. Ye, G. Kehr, C. G. Daniliuc, L. Liu, S. Grimme, G. Erker, Angew. Chem. Int. Ed. 2016, 55, 9216-9219.
doi: 10.1002/anie.201603760
349 "An Ethylene-Bridged Phosphane/Borane Frustrated Lewis Pair Featuring the –B(Fxyl)2 Lewis Acid Component",
L. Wang, K. Samigullin, M. Wagner, A. C. McQuilken, T. H. Warren, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Eur. J. 2016, 22, 11015-11021. doi: 10.1002/chem.201601583
348 "Phospha-Claisen Type Reactions at Frustrated Lewis Pair Frameworks",
G.-Q. Chen, G. Kehr, C. Mück-Lichtenfeld, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2016, 138, 8554-8559. doi: 10.1021/jacs.6b04046
347 "Rapid Dihydrogen Cleavage by Persistent Nitroxide Radicals under Frustrated Lewis Pair Conditions",
X. Tao, G. Kehr, X. Wang, C. G. Daniliuc, S. Grimme, G. Erker, Chem. Eur. J. 2016, 22, 9504-9507.
doi: 10.1002/chem.201602058
346 "Aminoxyl Radicals of B/P Frustrated Lewis Pairs: Refinement of the Spin-Hamiltonian Parameters by Field- and Temperature Dependent Pulsed EPR Spectroscopy",
M. de Oliveira Jr., R. Knitsch, M. Sajid, A. Stute, L.-M. Elmer, G. Kehr, G. Erker, C. J. Magon, G. Jeschke, H. Eckert, PLoS One 2016, 11, e0157944. doi: 10.1371/journal.pone.0157944
345 "Cyclic Amine/Borane Lewis Pairs by the Reaction of N,N-Diallylaniline with Lancaster’s H2B-C6F5 Reagent",
T. Wang, L. Liu, S. Grimme, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Asian J. 2016, 11, 1394-1399.
doi: 10.1002/asia.201600060
344 "Formation of Thermally Robust Frustrated Lewis Pairs by Electrocyclic Ring Closure Reactions",
G.-Q. Chen, G. Kehr, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Erker, Angew. Chem. 2016, 128, 5616-5620;
doi: 10.1002/ange.201510994
"Formation of Thermally Robust Frustrated Lewis Pairs by Electrocyclic Ring Closure Reactions",
G.-Q. Chen, G. Kehr, C. G. Daniliuc, G. Erker, Angew. Chem. Int. Ed. 2016, 55, 5526-5530.
doi: 10.1002/anie.201510994
343 "Nitro-redox reactions at a frustrated borane/phosphane Lewis pair",
G.-Q. Chen, G. Kehr, C. G. Daniliuc, G. Erker, Dalton Trans. 2016, 45, 6820-6823.
doi: 10.1039/c6dt00857g
[Corrigendum: Dalton Trans. 2017, 46, 7369 doi: 10.1039/c7dt90093g]
342 "Why Does the Intramolecular Trimethylene-Bridged Frustrated Lewis Pair Mes2PCH2CH2CH2B(C6F5)2 Not Activate Dihydrogen?",
T. Özgün, K.-Y. Ye, C. G. Daniliuc, B. Wibbeling, L. Liu, S. Grimme, G. Kehr, G. Erker, Chem. Eur. J. 2016, 22, 5988-5995. doi: 10.1002/chem.201505200
341 "Selective Oxidation of an Active Intramolecular Amine/Borane Frustrated Lewis Pair with Dioxygen",
T. Wang, G. Kehr, L. Liu, S. Grimme, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2016, 138, 4302-4305.
doi: 10.1021/jacs.6b00325
340 "Unusual borane addition to conjugated dienylphosphanes under frustrated Lewis pair conditions",
S. Krupski, G. Kehr, C. G. Daniliuc, G. Erker, Dalton Trans. 2016, 45, 6111-6117.
doi: 10.1039/c5dt03879k
339 "Insertion Reactions of Neutral Phosphidozirconocene Complexes as a Convenient Entry into Frustrated Lewis Pair Territory",
A. T. Normand, C. G. Daniliuc, B. Wibbeling, G. Kehr, P. Le Gendre, G. Erker Chem. Eur. J. 2016, 22, 4285-4293. doi: 10.1002/chem.201504792
338 "Direct P-functionalization of azobenzene by a cationic phosphidozirconocene complex",
A. T. Normand, C. G. Daniliuc, G. Kehr, P. Le Gendre, G. Erker, Dalton Trans. 2016, 45, 3711-3714.
doi: 10.1039/c6dt00416d
337 "Cyclopropane formation under frustrated Lewis pair conditions",
S. Krupski, G. Kehr, C. G. Daniliuc, G. Erker, Chem. Commun. 2016, 52, 2695-2697.
doi: 10.1039/c5cc09585a
336 "Phosphole formation by 1,1-carboboration - reactions of bis-alkynyl phosphanes with a frustrated P/B Lewis pair",
A. Klose, G. Kehr, C. G. Daniliuc, G. Erker, Dalton Trans. 2016, 45, 2023-2030.
doi: 10.1039/c5dt03055b
335 "Selective N,O-Addition of the TEMPO Radical to Conjugated Boryldienes",
F. Türkyilmaz, G. Kehr, J. Li, C. G. Daniliuc, M. Tesch, A. Studer, G. Erker, Angew. Chem. 2016, 128, 1492-1495; doi: 10.1002/ange.201509114
"Selective N,O-Addition of the TEMPO Radical to Conjugated Boryldienes",
F. Türkyilmaz, G. Kehr, J. Li, C. G. Daniliuc, M. Tesch, A. Studer, G. Erker, Angew. Chem. Int. Ed. 2016, 55, 1470-1473. doi: 10.1002/anie.201509114
334 "Cooperative reaction chemistry derived from a borata-diene framework",
J. Yu, G. Kehr, C. G. Daniliuc, G. Erker, Chem. Commun. 2016, 52, 1393-1396.
doi: 10.1039/c5cc07954c
333 "Frustrated Lewis Pair Chemistry Derived from Bulky Allenyl and Propargyl Phosphanes",
C. Rosorius, J. Möricke, B. Wibbeling, A. C. McQuilken, T. H. Warren, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Eur. J. 2016, 22, 1103-1113. doi: 10.1002/chem.201502493
332 "FLPNO Nitroxide Radical Formation by a 1,1-Carboboration Route",
R. Liedtke, C. Eller, C. G. Daniliuc, K. Williams, T. H. Warren, M. Tesch, A. Studer, G. Kehr, G. Erker, Organometallics 2016, 35, 55-61. doi: 10.1021/acs.organomet.5b00886
331 "Advanced 1,1-carboboration reactions with pentafluorophenylboranes",
G. Kehr, G. Erker, Chem. Sci. 2016, 7, 56-65. doi: 10.1039/c5sc03282b
330 "Cooperative 1,1-addition reactions of vicinal phosphane/borane frustrated Lewis pairs",
A. J. P. Cardenas, Y. Hasegawa, G. Kehr, T. H. Warren, G. Erker, Coord. Chem. Rev. 2016, 306, 468-482.
doi: 10.1016/j.ccr.2015.01.006
2015_________________________________________________
329 "Stabilized borata-alkene formation: structural features, reactions and the special role of the counter cation",
S. Kohrt, S. Dachwitz, C. G. Daniliuc, G. Kehr, G. Erker, Dalton Trans. 2015, 44, 21032-21040.
doi: 10.1039/c5dt04058b
328 "Synthesis of new asymmetric substituted boron amidines - reactions with CO and transfer hydrogenations of phenylacetylene",
A. R. Cabrera, R. S. Rojas, M. Valderrama, P. Plüss, H. Berke, C. G. Daniliuc, G. Kehr, G. Erker, Dalton Trans. 2015, 44, 19606-19614. doi: 10.1039/c5dt01966d
327 "A 1,1-Carboboration Route to Bora-Nazarov Systems",
F. Ge, F. Türkyilmaz, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Asian J. 2015, 10, 2497-2502.
doi: 10.1002/asia.201500636
326 "Enamine/butadienylborane cycloaddition in the frustrated Lewis pair regime",
G.-Q. Chen, F. Türkyilmaz, C. G. Danliuc, C. Bannwarth, S. Grimme, G. Kehr, G. Erker, Org. Biomol. Chem. 2015, 13, 10477-10486. doi: 10.1039/c5ob01602a
325 "Observation of a Thermally Induced Bora-Nazarov Cyclization at a Phosphole Framework",
J. Möbus, G. Kehr, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Erker, Angew. Chem. 2015, 127, 12543-12546;
doi: 10.1002/ange.201502850
"Observation of a Thermally Induced Bora-Nazarov Cyclization at a Phosphole Framework",
J. Möbus, G. Kehr, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Erker, Angew. Chem. Int. Ed. 2015, 54, 12366-12369. doi: 10.1002/anie.201502850
324 "Trisubstituted Boroles by 1,1-Carboboration",
F. Ge, G. Kehr, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Erker, Organometallics 2015, 34, 4205-4208.
doi: 10.1021/acs.organomet.5b00668
323 "Phosphido- and Amidozirconocene Cation-Based Frustrated Lewis Pair Chemistry",
A. T. Normand, C. G. Daniliuc, B. Wibbeling, G. Kehr, P. Le Gendre, G. Erker, J. Am. Chem. Soc. 2015, 137, 10796-10808. doi: 10.1021/jacs.5b06551
322 "Bifunctional Behavior of Unsaturated Intramolecular Phosphane-Borane Frustrated Lewis Pairs Derived from Uncatalyzed 1,4-Hydrophosphination of a Dienylborane",
doi: 10.1002/chem.201501402
321 "Functionalization of Intramolecular Frustrated Lewis Pairs by 1,1-Carboboration with Conjugated Enynes",
A. Feldmann, G. Kehr, C. G. Daniliuc, C. Mück-Lichtenfeld, G. Erker, Chem. Eur. J. 2015, 21, 12456-12464.
doi: 10.1002/chem.201502278
320 "Frustrated Lewis Pair Behavior of [Cp2ZrOCR2CH2PPh2]+ Cations",
X. Xu, G. Kehr, C. G. Daniliuc, G. Erker, Organometallics 2015, 34, 2655-2661.
doi: 10.1021/om501312a
319 "Synthetic Endeavors towards Titanium Based Frustrated Lewis Pairs with Controlled Electronic and Steric Properties",
A. T. Normand, P. Richard, C. Balan, C. G. Daniliuc, G. Kehr, G. Erker, P. Le Gendre, Organometallics 2015, 34, 2000-2011. doi: 10.1021/acs.organomet.5b00250
318 "Direct synthesis of a eminal zwitterionic phosphonium/hydridoborate system - developing an alternative tool for generating frustrated Lewis pair hydrogen activation systems",
J. Yu, G. Kehr, C. G. Daniliuc, C. Bannwarth, S. Grimme, G. Erker, Org. Biomol. Chem. 2015, 13, 5783-5792. doi: 10.1039/c5ob00634a
317 "Unusual product formation in a 1,1-carboboration",
C. Eller, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Commun. 2015, 51, 8436-8438.
doi: 10.1039/c5cc00734h
316 "Stoichiometric Reactions and Catalytic Hydrogenation with a Reactive Intramolecular Zr+/Amine Frustrated Lewis Pair",
X. Xu, G. Kehr, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2015, 137, 4550-4557.
doi: 10.1021/jacs.5b01623
315 "Thiophene synthesis via 1,1-carboboration",
C. Eller, G. Kehr, C. G. Daniliuc, D. W. Stephan, G. Erker, Chem. Commun. 2015, 51, 7226-7229.
doi: 10.1039/c5cc01806d
314 "Solid-state EPR strategies for the structural characterization of paramagnetic NO adducts of frustrated Lewis pairs (FLPs)",
M. de Olivera J., T. Wiegand, L.-M. Elmer, M. Sajid, G. Kehr, G. Erker, C. J. Magon, H. Eckert, J. Chem. Phys. 2015, 142, 124201. doi: 10.1063/1.4916066
313 "Synthesis and structures of N-arylcyano-β-diketiminate zinc complexes and adducts and their application in ring‐opening polymerization of L-lactide",
O. S. Trofymchuk, C. G. Daniliuc, G. Kehr, G. Erker, R. S. Rojas, RSC Adv. 2015, 5, 21054-21065.
doi: 10.1039/c4ra16670a
312 "Benzannulation of Heterocyclic Frameworks by 1,1-Carboboration Pathways",
R. Liedtke, F. Tenberge, C. G. Daniliuc, G. Kehr, G. Erker, J. Org. Chem. 2015, 80, 2240-2248.
doi: 10.1021/jo502753s
311 "P/B-Ketene Adduct Formation from Acyl Chlorides at a Vicinal Phosphane/Borane Frustrated Lewis Pair",
S. Frömel, G. Radermacher, B. Wibbeling, C. G. Daniliuc, T. H. Warren, G. Kehr, G. Erker, Isr. J. Chem. 2015, 55, 210-215. doi: 10.1002/ijch.201400133
310 "Structural Characterization of Frustrated Lewis Pairs and their Reaction Products Using Modern Solid State NMR Techniques",
T. Wiegand, M. Siedow, H. Eckert, G. Kehr, G. Erker, Isr. J. Chem. 2015, 55, 150-178.
doi: 10.1002/ijch.201400149
309 "α−Hydroxymethylation of Pyridines at a Frustrated Lewis Pair Template",
M. Sajid, G. Kehr C. G. Daniliuc, G. Erker, Chem. Eur. J. 2015, 21, 1454-1457.
doi: 10.1002/chem.201405553
308 "Reactions of Boroles Formed by 1,1-Carboboration",
F. Ge, G. Kehr, C. G. Daniliuc, G. Erker, Organometallics 2015, 34, 229-235.
doi: 10.1021/om501085j
307 "1,1-Alkenylboration of diarylphosphino-enynes: convenient synthetic entry to vicinal P/B Lewis pairs at extended conjugated π-frameworks",
G. Chen, G. Kehr, C. G. Daniliuc, G. Erker, Org. Biomol. Chem. 2015, 13, 764-769.
doi: 10.1039/c4ob02134g
306 "α-CH acidity of alkyl-B(C6F5)2 compounds – the role of stabilized borata-alkene formation in frustrated Lewis pair chemistry",
P. Moquist, G.-Q. Chen, C. Mück-Lichtenfeld, K. Bussmann, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Sci. 2015, 6, 816-825. doi: 10.1039/c4sc01711k
2014_________________________________________________
305 "1,1-Carboboration Reactions of Strongly Electrophilic 2-Borylethyl Thioethers",
C. Eller, B. Billmann, C. G. Daniliuc, G. Kehr, G. Erker, Z. Naturforsch. 2014, 69b, 1357-1364.
doi: 10.5560/ZNB.2014-4190
304 "Zwitterionic Phosphirenium Borates Derived from Bis(alkynyl)mesityl Phosphanes and Tris(pentafluorophenyl)borane",
J. Möbus, K. Malessa, H. Frisch, C. G. Daniliuc, R. Fröhlich, G. Kehr, G. Erker, Heteroat. Chem. 2014, 25, 396-401. doi: 10.1002/hc.21184
303 "Developing Phospha-Stork Chemistry Induced by a Borane Lewis Acid",
Y. Hasegawa, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. 2014, 126, 12364-12367;
doi: 10.1002/ange.201406557
"Developing Phospha-Stork Chemistry Induced by a Borane Lewis Acid",
Y. Hasegawa, C. G. Daniliuc, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2014, 53, 12168-12171.
doi: 10.1002/anie.201406557
302 "Crystal Packing Induced Carbon-Carbon Double-Triple Bond Isomerization in a Zirconocene Complex",
J. G. Brandenburg, G. Bender, J. Ren, A. Hansen, S. Grimme, H. Eckert, C. G. Daniliuc, G. Kehr, G. Erker, Organometallics 2014, 33, 5358-5364. doi: 10.1021/om500678p
301 "The Mannich Route to Amino-Functionalized [3]Ferrocenophanes",
A. Stute, G. Kehr, G. Erker, Adv. Organomet. Chem. 2014, 62, 219-259.
doi: 10.1016/B978-0-12-800976-5.00004-7
300 "Formation of Unsaturated Vicinal Zr+/P Frustrated Lewis Pairs by the Unique 1,1-Carbozirconation Reactions",
X. Xu, G. Kehr, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2014, 136, 12431-12443.
doi: 10.1021/ja5068146
299 "Formation, structural characterization, and reactions of a unique cyclotrimeric vicinal Lewis pair containing (C6F5)2P-Lewis base and (C6F5)BH-Lewis acid components",
M. Erdmann, T. Wiegand, J. Blumenberg, H. Eckert, J. Ren, C. G. Daniliuc, G. Kehr, G. Erker, Dalton Trans. 2014, 43, 15159-15169. doi: 10.1039/c4dt02081b
298 "Reactivity of an Intramolecular Fluorophosphonium Fluoroborate",
O. Ekkert, C. B. Caputo, C. Pranckevicius, C. G. Daniliuc, G. Kehr, G. Erker, D. W. Stephan, Chem. Eur. J. 2014, 20, 11287-11290. doi: 10.1002/chem.201403110
297 "Preparation of Dithienylphospholes by 1,1-Carboboration",
J. Möbus, A. Galstyan, A. Feldmann, C. G. Daniliuc, R. Fröhlich, C. A. Strassert, G. Kehr, G. Erker, Chem. Eur. J. 2014, 20, 11883-11893. doi: 10.1002/chem.201403102
296 "Polymorphism in P,P-[3]ferrocenophanes: insights from an NMR crystallographic approach",
T. Wiegand, D. Lüdeker, G. Brunklaus, K. Bussmann, G. Kehr, G. Erker, H. Eckert, Dalton Trans. 2014, 43, 12639-12647. doi: 10.1039/c4dt01071j
295 "Controlling two-phase self assembly of an adenine derivative on HOPG via kinetic effects",
C. Wang, P. K. Jana, H. Zhang, Z. Mu, G. Kehr, T. Blömker, G. Erker, H. Fuchs, A. Heuer, L, Chi, Chem. Commun. 2014, 50, 9192-9195. doi: 10.1039/c4cc03714f
294 "Catalytic Formation of Five-membered Zirconacycloallenoids and Their Reaction with Carbon Dioxide",
S. K. Podiyanachari, G. Bender, G. Kehr, C. G. Daniliuc, G. Erker, Organometallics 2014, 33, 3481-3488.
doi: 10.1021/om500399w
293 "Reaction of five-membered zirconacycloallenoids with the strong Lewis acid B(C6F5)3",
G. Bender, C. G. Daniliuc, B. Wibbeling, G. Kehr, G. Erker, Dalton Trans. 2014, 43, 12210-12213.
doi: 10.1039/c4dt01137f
292 "Solid-state NMR strategies for the structural characterization of paramagnetic NO adducts of Frustrated Lewis Pairs (FLPs)",
T. Wiegand, M, Sajid, G. Kehr, G. Erker, H. Eckert, Solid State Nucl. Magn. Reson. 2014, 61-62, 19-27.
doi: 10.1016/j.ssnmr.2014.04.001
291 "Solid-state NMR studies for the determination of 11B electric field-gradient tensor orientations in P/B Frustrated Lewis Pairs and related systems",
T. Wiegand, M. Siedow, O. Ekkert, J. Möbus, C. G. Daniliuc, G. Kehr, G. Erker, H. Eckert, Solid State Nucl. Magn. Reson. 2014, 61-62, 8-14. doi: 10.1016/j.ssnmr.2014.03.002
290 "Formation of a dihydroborole by catalytic isomerization of a divinylborane",
R. A. Adler Yañez, G. Kehr, C. G. Daniliuc, B. Schirmer, G. Erker, Dalton Trans. 2014, 43, 10794-10800.
doi: 10.1039/c4dt01423e
289 "Frustrated Lewis Pair Modification by 1,1-Carboboration: Disclosure of a Remarkable Phosphine Oxide Triggered Nitrogen Monoxide Addition to an Intramolecular P/B Frustrated Lewis Pair",
R. Liedtke, F. Scheidt, J. Ren, B. Schirmer, A. J. P. Cardenas, C. G. Daniliuc, H. Eckert, T. H. Warren, S. Grimme, G. Kehr, G. Erker, J. Am. Chem. Soc. 2014, 136, 9014-9027.
doi: 10.1021/ja5028293
288 "Formation of Allenes by 1,4-Addition of Intermolecular Phosphane/Borane Frustrated Lewis Pairs to a Conjugated Enyne",
P. Feldhaus, B. Wibbeling, R. Fröhlich, C. G. Daniliuc, G. Kehr, G. Erker, Synlett 2014, 25, 1529-1553.
doi: 10.1055/s-0033-1341071
287 "Borole Formation by 1,1-Carboboration",
F. Ge, G. Kehr, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2014, 136, 68-71.
doi: 10.1021/ja4110396
286 "Indirect “No-Bond” 31P…31P Spin-Spin Couplings in P,P-[3]Ferrocenophanes: Insights from Solid-State NMR Spectroscopy and DFT calculations",
T. Wiegand, H. Eckert, J. Ren, G. Brunklaus, R. Fröhlich, C. G. Daniliuc, G. Lübbe, K. Bussmann, G. Kehr, G. Erker, S. Grimme, J. Phys. Chem. A. 2014, 118, 2316-2331. doi: 10.1021/jp500172b
285 "The B(C6F5)3 Boron Lewis Acid Route to Arene-Annulated Pentalenes",
C. Chen, M. Harhausen, A. Fukazawa, S. Yamaguchi, R. Fröhlich, C. G. Daniliuc, J. L. Petersen, G. Kehr, G. Erker, Chem. Asian J. 2014, 9, 1671-1681. doi: 10.1002/asia.201400096
284 G. Kehr and G. Erker (2013) ‘Ferrocenes in Frustrated Lewis Pair Chemistry’ in The Chemistry of Organoiron Compounds, edited by I. Marek and Z. Rappoport. John Wiley & Sons, Ltd: Chichester, UK, pp. 233-247. doi: 10.1002/9780470682531.pat0661
283 "The frustrated Lewis pair pathway to methylene phosphonium systems",
Y. Hasegawa, G. Kehr, S. Ehrlich, S. Grimme, C. G. Daniliuc, G. Erker, Chem. Sci. 2014, 5, 797-803.
doi: 10.1039/c3Sc52327f
282 "Borata-alkene derivatives conveniently made by frustrated Lewis pair chemistry",
J. Möbus, G. Kehr, C. G. Daniliuc, R. Fröhlich, G. Erker, Dalton Trans. 2014, 43, 632-638.
doi: 10.1039/c3dt52373j
281 "Internal Adduct Formation of Active Intramolecular C4-bridged Frustrated Phosphane/Borane Lewis Pairs",
X. Wang, G. Kehr, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2014, 136, 3293-3303.
doi: 10.1021/ja413060u
280 "Formylborane Formation by Frustrated Lewis Pair Templates",
M. Sajid, G. Kehr, C. G. Daniliuc, G. Erker, Angew. Chem. 2014, 126, 1136-1139;
doi: 10.1002/ange.201307551
"Formylborane Formation by Frustrated Lewis Pair Templates",
M. Sajid, G. Kehr, C. G. Daniliuc, G. Erker, Angew. Chem. Int. Ed. 2014, 53, 1118-1121.
doi: 10.1002/anie.201307551
279 "Reaction of a Bridged Frustrated Lewis Pair with Nitric Oxide: A Kinetic Study",
J. C. M. Pereira, M. Sajid, G. Kehr, A. M. Wright, B. Schirmer, Z.-W. Qu, S. Grimme, G. Erker, P. C. Ford, J. Am. Chem. Soc. 2014, 136, 513-519. doi: 10.1021/ja4118335
278 "A Phoshino Calix[4]arene Bis-Frustrated Lewis Pair",
G. E. Arnott, P. Moquist, C. G. Daniliuc, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2014, 1394-1398.
doi: 10.1002/ejic.201301529
277 "Ethene/alkyne exchange reaction at an intramolecular frustrated Lewis pair",
C. Eller, K. Bussmann, G. Kehr, B. Wibbeling, R. Fröhlich, C. G. Daniliuc, G. Erker, Chem. Commun. 2014, 50, 1980-1982. doi: 10.1039/c3cc47769j
276 "Thymine and Adenine Tetrads Formed on Anisotropic Metal Surfaces",
D. Zhong, T. Blömker, C. Mück-Lichtenfeld, H. Zhang, G. Kehr, G. Erker, H. Fuchs, L Chi, Small 2014, 10, 265-270. doi: 10.1002/smll.201301595
2013_________________________________________________
275 "Reactions of (Diphenylphosphinomethyl)zirconocene Chloride with B(C6F5)3: Competition Between P/B and P/Zr+ Frustrated Lewis Pair Reactions",
X. Xu, G. Kehr, C. G. Daniliuc, G. Erker, Organometallics 2013, 32, 7306-7311.
doi: 10.1021/om400769y
274 "Reactions of dimethylzirconocene complexes with a vicinal frustrated P/B Lewis pair",
S. Frömel, G. Kehr, R. Fröhlich, C. G. Daniliuc, G. Erker, Dalton Trans. 2013, 42, 14531-14536.
doi: 10.1039/c3dt52128a
273 "Reaction of strongly electrophilic alkenylboranes with phosphanylalkynes: rare examples of intermolecular 1,1-alkenylboration reactions",
O. Ekkert, O. Tuschewitzki, C. G. Daniliuc, G. Kehr, G. Erker, Chem Commun. 2013, 49, 6992-6994.
doi: 10.1039/c3cc43294g
272 "Formation and structual characterization of a five-membered zirconacycloallenoid",
G. Bender, G. Kehr, C. G. Daniliuc, B. Wibbeling, G. Erker, Dalton Trans. 2013, 42, 14673-14676.
doi: 10.1039/c3dt51497h
271 "Carbonylation Reactions of Intramolecular Vicinal Frustrated Phosphane/Borane Lewis Pairs",
M. Sajid, A. Lawzer, W. Dong, C. Rosorius, W. Sander, B. Schirmer, S. Grimme, C. G. Daniliuc, G. Kehr, G. Erker, J. Am. Chem. Soc. 2013, 135, 18567-18574. doi: 10.1021/ja408815k
270 "Reaction of Diphenylphosphinoacetylene with RB(C6F5)2 Reagents: Evidence for a Remarkable Sequence of Synergistic Frustrated Lewis Pair Addition Reactions",
J. Yu, G. Kehr, C. G. Daniliuc, G. Erker, Inorg. Chem. 2013, 52, 11661-11668.
doi: 10.1021/ic402139g
269 "Structural features and reactions of a eminal frustrated phosphane/borane Lewis pair",
C. Rosorius, C. G. Daniliuc, R. Fröhlich, G. Kehr, G. Erker, J. Organomet. Chem. 2013, 744, 149-155.
doi: 10.1016/j.jorganchem.2013.06.005
268 "An Enamine/HB(C6F5)2 Adduct as a Dormant State in Frustrated Lewis Pair Chemistry",
B.-H. Xu, K. Bussmann, R. Fröhlich, C. G. Daniliuc, J. G. Brandenburg, S. Grimme, G. Kehr, G. Erker, Organometallics 2013, 32, 6745-6752. doi: 10.1021/om4004225
267 "Facile 1,1-Carboboration Reaction of a Diarylphosphino-substituted Conjugated Diyne with Tris(pentafluorophenyl)borane",
P. Feldhaus, G. Kehr, R. Fröhlich, C. G. Daniliuc, G. Erker, Z. Naturforsch. 2013, 68b, 666-674.
doi: 10.5560/ZNB.2013-3088
266 "A Unique Frustrated Lewis Pair Pathway to Remarkably Stable Borata-Alkene Systems",
J. Yu, G. Kehr, C. G. Daniliuc, G. Erker, Eur. J. Inorg. Chem. 2013, 3312-3315.
doi: 10.1002/ejic.201300520
265 "Remarkable Behavior of a Bifunctional Alkynylborane Zirconocene Complex toward Donor Ligands and Acetylenes",
S. K. Podiyanachari, G. Kehr, C. Mück-Lichtenfeld, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2013, 135, 17444-17456. doi: 10.1021/ja408385h
264 "Temperature-Dependent Self-Assembly of Adenine Derivative on HOPG",
Z. Mu, O. Rubner, M. Bamler, T. Blömker, G. Kehr, G. Erker, A. Heuer, H. Fuchs, L. Chi, Langmuir 2013, 29, 10737-10743. doi: 10.1021/la401974t
263 "1,1-Carbozirconation: Unusual Reaction of an Alkyne with a Methyl Zirconocene Cation and Subsequent Frustrated Lewis Pair Like Reactivity",
X. Xu, G. Kehr, C. G. Daniliuc, G. Erker, Angew. Chem. 2013, 125, 13874-13877;
doi: 10.1002/ange.201307493
"1,1-Carbozirconation: Unusual Reaction of an Alkyne with a Methyl Zirconocene Cation and Subsequent Frustrated Lewis Pair Like Reactivity",
X. Xu, G. Kehr, C. G. Daniliuc, G. Erker, Angew. Chem. Int. Ed. 2013, 52, 13629-13632.
doi: 10.1002/anie.201307493
262 "Dibenzopentalenes from B(C6F5)3-Induced Cyclization Reactions of 1,2−Bis(phenylethynyl)benzenes",
C. Chen, M. Harhausen, R. Liedtke, K. Bussmann, A. Fukazawa, S. Yamaguchi, J. L. Petersen, C. G. Daniliuc, R. Fröhlich, G. Kehr, G. Erker, Angew. Chem. 2013, 125, 6108-6112;
doi: 10.1002/ange.201300871
"Dibenzopentalenes from B(C6F5)3 Induced Cyclization Reactions of 1,2−Bis(phenylethynyl)benzenes",
C. Chen, M. Harhausen, R. Liedtke, K. Bussmann, A. Fukazawa, S. Yamaguchi, J. L. Petersen, C. G. Daniliuc, R. Fröhlich, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2013, 52, 5992-5996.
doi: 10.1002/anie.201300871
261 "Electronic control in frustrated Lewis pair chemistry: adduct formation of intramolecular FLP systems with -P(C6F5)2 Lewis base components",
A. Stute, G. Kehr, C. G. Daniliuc, R. Fröhlich, G. Erker, Dalton Trans. 2013, 42, 4487-4499.
doi: 10.1039/C2DT32806B
260 "Unusual Pathway Taken in the Reaction of Bis(alkynyl)diisopropylaminoboranes with B(C6F5)3",
F. Ge, G. Kehr, C. G. Daniliuc, G. Erker, Chem. Asian J. 2013, 2227-2234.
doi: 10.1002/asia.201300536
259 "Reactions of a Cationic eminal Zr+/P Pair with Small Molecules",
X. Xu, G. Kehr, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2013, 135, 6465-6476.
doi: 10.1021/ja3110076
258 "Facile 1,1-Carboboration Reactions of Acetylenic Thioethers",
C. Eller, C. G. Daniliuc, R. Fröhlich, G. Kehr, G. Erker, Organometallics 2013, 32, 384-386.
doi: 10.1021/om400016t
257 "Facile Carbon Monoxide Reduction at Intramolecular Frustrated Posphane/Borane Lewis Pair Templates",
M. Sajid, L.-M. Elmer, C. Rosorius, C. G. Daniliuc, S. Grimme, G. Kehr, G. Erker, Angew. Chem. 2013, 125, 2299-2302; doi: 10.1002/ange.201208750
"Facile Carbon Monoxide Reduction at Intramolecular Frustrated Posphane/Borane Lewis Pair Templates",
M. Sajid, L.-M. Elmer, C. Rosorius, C. G. Daniliuc, S. Grimme, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2013, 52, 2243-2246. doi: 10.1002/anie.201208750
256 "Intramolecular Frustrated Lewis Pairs: Formation, Structural and Chemical Features",
G. Kehr, S. Schwendemann, G. Erker, Topics Curr. Chem. 2013, 332, 45-83.
doi: 10.1007/128_2012_373
255 "Functional group chemistry at intramolecular frustrated Lewis pairs: substituent exchange at the Lewis acid site with 9-BBN",
M. Erdmann, C. Rösener, T. Holtrichter-Rößmann, C. G. Daniliuc, R. Fröhlich, W. Uhl, E.-U. Würthwein, G. Kehr, G. Erker, Dalton Trans 2013, 42, 709-718. doi: 10.1039/c2dt31737k
254 "Reactions of phosphorus/boron frustrated Lewis pairs with SO2",
M. Sajid, A. Klose, B. Birkmann, L. Liang, B. Schirmer, T. Wiegand, H. Eckert, A. J. Lough, R. Fröhlich, C. G. Daniliuc, S. Grimme, D. W. Stephan, G. Kehr, G. Erker, Chem. Sci. 2013, 4, 213-219.
doi: 10.1039/c2sc21161k
253 "Noninteracting, Vicinal Frustrated P/B-Lewis Pair at the Norbornane Framework: Synthesis, Characterization and Reactions",
M. Sajid, G. Kehr, T. Wiegand, H. Eckert, C. Schwickert, R. Pöttgen, A. J. P. Cardenas, T. H. Warren, R. Fröhlich, C. G. Daniliuc, G. Erker, J. Am. Chem. Soc. 2013, 135, 8882-8895.
doi: 10.1021/ja400338e
252 "Reaction of Unsaturated Vicinal Phosphane/Borane Frustrated Lewis Pairs with Benzaldehyde",
O. Ekkert, G. Kehr, C. G. Daniliuc, R. Fröhlich, B. Wibbeling, J. L. Petersen, G. Erker, Z. Anorg. Allg. Chem. 2013, 639, 2455-2462. doi: 10.1002/zaac.201300421
251 "Reaction of an „Invisible“ Frustrated N/B Lewis Pair with Dihydrogen",
S. Schwendemann, S. Oishi, S. Saito, R. Fröhlich, G. Kehr, G. Erker, Chem. Asian J. 2013, 8, 212-217.
doi: 10.1002/asia.201200776
250 "Remarkable coordination behavior of alkyl isocyanides toward unsaturated vicinal frustrated P/B Lewis pairs",
O. Ekkert, G. González Miera, T. Wiegand, H. Eckert, B. Schirmer, J. L. Petersen, C. G. Daniliuc, R. Fröhlich, S. Grimme, G. Kehr, G. Erker, Chem. Sci. 2013, 4, 2657-2664. doi: 10.1039/C3SC00082F
2012_________________________________________________
249 "Carboboration Reactions of 1,2-Bis((diarylphosphino)ethynyl)benzenes with Tris(pentafluorophenyl)borane",
R. Liedtke, G. Kehr, R. Fröhlich, C. G. Daniliuc, B. Wibbeling, J. L. Petersen, G. Erker, Hel. Chim. Acta 2012, 95, 2515-2527. doi: 10.1002/hlca.201200495
248 "Anomalous Staudinger reaction at intramolecular frustrated P-B Lewis Pair frameworks",
A. Stute, L. Heletta, R. Fröhlich, C. G. Daniliuc, G. Kehr, G. Erker, Chem. Commun. 2012, 48, 11739-11741.
doi: 10.1039/c2cc36782c
247 "Chemistry of the five-membered zirconacycloallenoids: reactions with unsaturated substrates",
G. Bender, G. Kehr, R. Fröhlich, J. L. Petersen, G. Erker, Chem. Sci. 2012, 3, 3534-5340.
doi: 10.1039/c2sc20745a
246 "Facile formation of five-membered N-heterocyclic zirconacycloallenoids",
S. K. Podiyanachari, R. Fröhlich, C. G. Daniliuc, J. L. Petersen, G. Kehr, G. Erker, N. Suzuki, S. Yuasa, K. Hagimori, S. Inoue, T. Asada, T. Takemoto, Y. Masuyama, Dalton Trans. 2012, 41, 10811-10816.
doi: 10.1039/c2dt31343j
245 "Binding of Molecular Magnesium Hydrides to a Zirconocene-Enyne Template",
G. Bender, T. Wiegand, H. Eckert, R. Fröhlich, C. G. Daniliuc, C. Mück-Lichtenfeld, S. Ndambuki, T. Ziegler, G. Kehr, G. Erker, Angew. Chem. 2012, 124, 8976-8979; doi: 10.1002/ange.201203372
"Binding of Molecular Magnesium Hydrides to a Zirconocene-Enyne Template",
G. Bender, T. Wiegand, H. Eckert, R. Fröhlich, C. G. Daniliuc, C. Mück-Lichtenfeld, S. Ndambuki, T. Ziegler, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2012, 51, 8846-8849. doi: 10.1002/anie.201203372
244 "Hydrogen Activation by an Intramolecular Boron Lewis Acid/Zirconocene Pair",
S. K. Podiyanachari, R. Fröhlich, C. G. Daniliuc, J. L. Petersen, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. 2012, 124, 8960-8963; doi: 10.1002/ange.201202218
"Hydrogen Activation by an Intramolecular Boron Lewis Acid/Zirconocene Pair",
S. K. Podiyanachari, R. Fröhlich, C. G. Daniliuc, J. L. Petersen, C. Mück-Lichtenfeld, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2012, 51, 8830-8833. doi: 10.1002/anie.201202218
243 "Splitting of dihydrgen by five-membered zirconacycloallenoids: a novel pathway to conjugated diene zirconocene complexes",
G. Bender, G. Kehr, C. G. Daniliuc, Q. M. Dao, S. Ehrlich, S. Grimme, G. Erker, Chem. Commun. 2012, 48, 11085-11087. doi: 10.1039/c2cc36189b
242 "Reversible Heterolytic Si–H Bond Activation by an Intramolecular Frustrated Lewis Pair",
W. Nie, H. F. T. Klare, M. Oestreich, R. Fröhlich, G. Kehr, G, Erker, Z. Naturforsch. 2012, 67b, 987-994.
doi: 10.5560/znb.2012-0181
241 "Reactions of a methylzirconocene cation with phosphinoalkynes: an alternative pathway for generating Cp2Zr(II) systems",
X. Xu, R. Fröhlich, C. G. Daniliuc, G. Kehr, G Erker, Chem. Commun. 2012, 48, 6109-6111.
doi: 10.1039/c2cc31883k
240 "Alkenylborane-Derived Frustrated Lewis Pairs: Metal-Free Catalytic Hydrogenation Reactions of Electron-Deficient Alkenes",
J. Sreedhar Reddy, B.-H. Xu, T. Mahdi, R. Fröhlich, G. Kehr, D. W. Stephan, G. Erker, Organometallics 2012, 31, 5638-5649. doi: 10.1021/om3006068
239 "("Ferrocene-salaldiminato")zirconium Complexes for Ethylene Polymerization Catalysis: The Role of the Bulky Substituents",
X. Wang, R. Fröhlich, C. G. Daniliuc, B. Rieger, A. Jonovic, G. Kehr, G. Erker, Organometallics 2012, 31, 6741-6752. doi: 10.1021/om3004509
238 "N,N-Addition of Frustrated Lewis Pairs to Nitric Oxide: An Easy Entry to a Unique Family of Aminoxyl Radicals",
M. Sajid, A. Stute, A. J. P. Cardenas, B. J. Culotta, J. A. M. Hepperle, T. H. Warren, B. Schirmer, S. Grimme, A. Studer, C. G. Daniliuc, R. Fröhlich, J. L. Petersen, G. Kehr, G Erker, J. Am. Chem. Soc. 2012, 134, 10156-10168. doi: 10.1021/ja302652a
237 "1,1-Carboboration Route to Substituted Naphthalenes",
R. Liedtke, M. Harhausen, R. Fröhlich, G. Kehr, G. Erker, Org. Lett. 2012, 14, 1448-1451.
doi: 10.1021/ol300193e
236 "Halogen Addition to a Frustrated Lewis Pair",
S. Frömel, R. Fröhlich, C. G. Daniliuc, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2012, 3774-3779.
doi: 10.1002/ejic.201200288
235 "Propylene Polymerization with α-Keto-β-Diimine Initiators Proceeds via Enantiomorphic Site Control",
J. D. Azoulay, H. Gao, Z. A. Koretz, G. Kehr, G. Erker, F. Shimizu, G. B. Galland, G. C. Bazan, Macromolecules 2012, 45, 4487-4493. doi: 10.1021/ma300504j
234 "Reactions of Modified Intermolecular Frustrated P/B Lewis Pairs with Dihydrogen, Ethene and Carbon Dioxide",
M. Harhausen, R. Fröhlich, G. Kehr, G. Erker, Organometallics 2012, 31, 2801-2809.
doi: 10.1021/om201076f
233 "Double Arylation of Acetylenedicarboxylate with B(C6F5)3",
H. Nakatsuka, R. Fröhlich, M. Kitamura, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2012, 1163-1166.
doi: 10.1002/ejic.201101413
232 "Frustrated Lewis Pair Addition to Conjugated Diynes: Formation of Zwitterionic 1,2,3-Butatriene Derivatives",
P. Feldhaus, B. Schirmer, B. Wibbeling, C. G. Daniliuc, R. Fröhlich, S. Grimme, G. Kehr, G. Erker, Dalton Trans. 2012, 41, 9135-9142. doi: 10.1039/c2dt30321c
231 "Preparation of Dihydroborole Derivatives by a Simple 1,1-Carboboration Route",
A. Feldmann, A. Iida, R. Fröhlich, S. Yamaguchi, G. Kehr, G. Erker, Organometallics 2012, 31, 2445-2451.
doi: 10.1021/om300065m
230 "New Insights into Frustrated Lewis Pairs: Structural Investigations of Intramolecular Phosphane–Borane Adducts by Using Modern Solid-State NMR Techniques and DFT Calculations",
T. Wiegand, H. Eckert, O. Ekkert, R. Fröhlich, G. Kehr, G. Erker, S. Grimme, J. Am. Chem. Soc. 2012, 134, 4236-4249. doi: 10.1021/ja210160k
229 "Die 1,1-Carboborierung von Bis(alkinyl)phosphanen als Zugang zum Phospholgerüst",
J. Möbus, Q. Bonnin, K. Ueda, R. Fröhlich, K. Itami, G. Kehr, G. Erker, Angew. Chem. 2012, 124, 1990-1993; doi: 10.1002/ange.201107398
"The 1,1-Carboboration of Bis(alkynyl)phosphanes as a Route to Phosphole Compounds",
J. Möbus, Q. Bonnin, K. Ueda, R. Fröhlich, K. Itami, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2012, 51, 1954-1957. doi: 10.1002/anie.201107398
228 "1,1-Carboboration",
G. Kehr, G. Erker, Chem. Commun. 2012, 48, 1839-1850. doi: 10.1039/c1cc15628d
227 "Frustrated Lewis Pair Behavior of Intermolecular Amine/B(C6F5)3 Pairs",
T. Voss, T. Mahdi, E. Otten, G. Kehr, R. Fröhlich, D. W. Stephan, G. Erker, Organometallics 2012, 31, 2367-2378. doi: 10.1021/om300017u
226 "Synthesis of [(π-cyano-P-nacnac)Cp] and [(π-cyano-nacnac)Cp]-zirconium Complexes, and their Remote Activation for Ethylene Polymerization",
R. S. Rojas, A. R. Cabrera, B. C. Peoples, K. Spannhoff, M. Valderrama, R. Fröhlich, G. Kehr, G. Erker, Dalton Trans. 2012, 41, 1243-1251. doi: 10.1039/c1dt11261a
225 "Reaction of Frustrated Lewis Pairs with Ketones and Esters",
B.-H. Xu, R. A. Adler Yanez, H. Nakatsuka, M. Kitamura, R. Fröhlich, G. Kehr, G. Erker, Chem. Asian J. 2012, 7, 1347-1356. doi: 10.1002/asia.201100960
224 "Reaction of a 6-Dimethylaminopentafulvene with the Mes2P-CH2CH2-B(C6F5)2 Frustrated Lewis Pair",
B.-H. Xu, C. M. Mömming, G. Kehr, R. Fröhlich, G. Erker, Chem. Eur. J. 2012, 18, 1826-1830.
doi: 10.1002/chem.201101937
2011_________________________________________________
223 "6-Dimethylaminopentafulvene as Lewis Base Component in Frustrated Lewis Pairs: Reversible Carbon-Carbon Coupling in FLP Chemistry",
B.-H. Xu, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2011, 30, 5080-5083.
doi: 10.1021/om200818x
222 "o-Diarylphosphinoferrocene Sulfonate Palladium Systems for Nonalternating Ethene-Carbon Monoxide Copolymerization",
C. Chen, T. M. J. Anselment, R. Fröhlich, B. Rieger, G. Kehr, G. Erker, Organometallics 2011, 30, 5248-5257. doi: 10.1021/om200628r
221 "Dichlorocobalt(II) Complexes Ligated by Bidentate 8-(Benzoimidazol-2-yl)quinolines: Synthesis, Characterization, and Catalytic Behavior towards Ethylene",
T. Xiao, P. Hao, G. Kehr, X. Hao, G. Erker, W.-H. Sun, Organometallics 2011, 30, 4847-4853.
doi: 10.1021/om2003392
220 "Phosphirenium borate zwitterion: formation in the 1,1 carboboration reaction of phosphinylalkynes",
O. Ekkert, G. Kehr, R. Fröhlich, G. Erker, Chem. Commun. 2011, 47, 10482-10484.
doi: 10.1039/c1cc13008k
219 "Frustrated Lewis Pair Reactions With Bis-Acetylenic Substrates: Exploring the Narrow Gap Separating Very Different Competing Reaction Pathways",
R. Liedtke, R. Fröhlich, G. Kehr, G. Erker, Organometallics 2011, 30, 5222-5232.
doi: 10.1021/om200615n
218 "Electronic Control of Frustrated Lewis Pair Behavior: Chemistry of a eminal Alkylidene-bridged Per-pentafluorophenylated P/B Pair",
C. Rosorius, G. Kehr, R. Fröhlich, S. Grimme, G. Erker, Organometallics 2011, 30, 4211-4219.
doi: 10.1021/om200569k
217 "Bidentate Iron(II) Dichloride Complexes Bearing 8-(Benzoimidazol-2-yl)quinolines: Synthesis, Characterization, and Ethylene Polymerization Behavior",
T. Xiao, S. Zhang, G. Kehr, X. Hao, G. Erker, W.-H. Sun, Organometallics 2011, 30, 3658-3665.
doi: 10.1021/om200338b
216 "Linear Alkane Polymerization on a Gold Surface",
D. Zhong, J.-H. Franke, S. K. Podiyanachari, T. Blömker, H. Zhang, G. Kehr, G. Erker, H. Fuchs, L. Chi, Science 2011, 334, 213-216. doi: 10.1126/science.1211836
215 "Synthesis and Structure of Bifunctional Zirconocene/Borane Complexes and their Activation for Ethylene Polymerization",
R. S. Rojas, B. C. Peoples, A. R. Cabrera, M. Valderrama, R. Fröhlich, G. Kehr, G. Erker, T. Wiegand, H. Eckert, Organometallics 2011, 30, 6372-6382. doi: 10.1021/om200536z
214 "Reaktionen frustrierter Lewis-Paare mit konjugierten Inonen - selektive Hydrierung der Kohlenstoff-Kohlenstoff-Dreifachbindung",
B.-H. Xu, G. Kehr, R. Fröhlich, B. Wibbeling, B. Schirmer, S. Grimme, G Erker, Angew. Chem. 2011, 123, 7321-7324; doi: 10.1002/ange.201101051
"Reaction of Frustrated Lewis Pairs with Conjugated Ynones - Selective Hydrogenation of the Carbon-Carbon Triple Bond",
B.-H. Xu, G. Kehr, R. Fröhlich, B. Wibbeling, B. Schirmer, S. Grimme, G Erker, Angew. Chem. Int. Ed. 2011, 50, 7183-7186. doi: 10.1002/anie.201101051
[Corrigendum: Angew. Chem. 2012, 124, 10359; doi: 10.1002/ange.201206415
Angew. Chem. Int. Ed. 2012, 51, 10213. doi: 10.1002/anie.201206415]
213 "Capture of NO by a Frustrated Lewis Pair: A New Type of Persistent N-Oxyl Radical",
A. J. P. Cardenas, B. J. Culotta, T. H. Warren, S. Grimme, A. Stute, R. Fröhlich, G. Kehr, G. Erker, Angew. Chem. 2011, 123, 7709-7713; doi: 10.1002/ange.201101622
"Capture of NO by a Frustrated Lewis Pair: A New Type of Persistent N-Oxyl Radical",
A. J. P. Cardenas, B. J. Culotta, T. H. Warren, S. Grimme, A. Stute, R. Fröhlich, G. Kehr, G. Erker, Angew. Chem. Int. Ed. 2011, 50, 7567-7571. doi: 10.1002/anie.201101622
212 "Intramolecular frustrated N/B lewis pairs by enamine hydroboration",
S. Schwendemann, R. Fröhlich, G. Kehr, G. Erker, Chem. Sci. 2011, 2, 1842-1849.
doi: 10.1039/c1sc00124h
211 "Chemistry of a eminal Frustrated Lewis Pair featuring Electron Withdrawing C6F5 Substituents at Both Phosphorus and Boron",
A. Stute, G. Kehr, R. Fröhlich, G. Erker, Chem. Commun. 2011, 47, 4288-4290.
doi: 10.1039/c1cc10241a
210 "CO2 and Formate Complexes of Phosphine/Borane Frustrated Lewis Pairs",
I. Peuser, R. C. Neu, X. Zhao, M. Ulrich, B. Schirmer, J. A. Tannert, G. Kehr, R. Fröhlich, S. Grimme, G. Erker, D. W. Stephan, Chem. Eur. J. 2011, 17, 9640-9650. doi: 10.1002/chem.201100286
209 "Reactions of Topologically Related “nacnacH-CN” and “P-nacnacH-CN” Chelate Ligand Systems with HB(C6F5)2",
K. Spannhoff, R. Rojas, R. Fröhlich, G. Kehr, G. Erker, Organometallics 2011, 30, 2377-2384.
doi: 10.1021/om200116q
208 "1,1-Carboboration of 1-Alkynes: A Conceptional Alternative to the Hydroboration Reaction",
C. Chen, T. Voss, R. Fröhlich, G. Kehr, G. Erker, Org. Lett. 2011, 13, 62-65.
doi: 10.1021/ol102544x
207 "P-C Bond Activation Chemistry: Evidence for 1,1-Carboboration Reactions Proceeding with Phosphorous-Carbon Bond Cleavage",
O. Ekkert, R. Fröhlich, G. Kehr, G. Erker, J. Am. Chem. Soc. 2011, 133, 4610-4616.
doi: 10.1021/ja1110283
206 "The Frustrated Lewis Pair Induced Formation of a Pentafulvene [6+4] Cycloaddition Product",
C. Mömming, G. Kehr, R. Fröhlich, G. Erker, Chem. Commun. 2011, 47, 2006-2007.
doi: 10.1039/c0cc04567e
205 "Unusual Carbamate-directed CH-Activation at an Anellated Ferrocenophane Framework",
T. Voss, R. Fröhlich, G. Kehr, G. Erker, Dalton Trans. 2011, 40, 6984-6991.
doi: 10.1039/c0dt01839b
204 "Structural variety and stereochemical features of bis(diphenylphosphinyl)[3]ferrocenophane gold(I) complexes",
G. Lübbe, G. Kehr, R. Fröhlich, G. Erker, Inorg. Chim. Acta 2011, 369, 223-230.
doi: 10.1016/j.ica.2011.01.010
203 "Reactions of Bis(alkynyl)silanes with HB(C6F5)2: Formation of Boryl-substituted Silacyclobutene Derivates",
J. Ugolotti, G. Dierker, R. Fröhlich, G. Kehr, G. Erker, J. Organomet. Chem. 2011, 696, 1184-1188.
doi: 10.1016/j.jorganchem.2010.09.024
202 "Reaction of Aminodihydropentalenes with HB(C6F5)2 - The Crucial Role of Dihydrogen Elimination",
B.-H. Xu, G. Kehr, R. Fröhlich, S. Grimme. G. Erker, J. Am. Chem. Soc. 2011, 133, 3480-3491.
doi: 10.1021/ja1092369
201 "Synthesis of [3]ferrocenophane-bridged Cp-amido zirconium complexes and ansa-zirconocene complexes and their use in catalytic polymerisation reactions",
K. Unverhau, G. Kehr, R. Fröhlich, G. Erker, Dalton Trans. 2011, 40, 3724-3736.
doi: 10.1039/c0dt01430c
200 "Alkene Addition of Frustrated P/B and N/B Lewis Pairs at the [3]Ferrocenophane Framework",
T. Voss, J. B. Sortais, R. Fröhlich, G. Kehr, G. Erker, Organometallics 2011, 30, 584-594.
doi: 10.1021/om100949k
2010_________________________________________________
199 "Frustrated Lewis Pairs and Ring Opening of THF, Dioxane, and Thioxane",
B. Birkmann, T. Voss, S. J. Geier, M. Ullrich, G. Kehr, G. Erker, D. W. Stephan, Organometallics 2010, 29, 5310-5319. doi: 10.1021/om1003896
198 "Frustrated Lewis Pair Reactions at the [3]Ferrocenophane Framework",
K. Unverhau, G. Lübbe, B. Wibbeling, R. Fröhlich, G. Kehr, G. Erker, Organometallics 2010, 29, 5320-5329. doi: 10.1021/om100378y
197 "Carbon-Carbon Bond Cleavage by Strongly Electrophilic Boranes",
B.-H. Xu, G. Kehr, R. Fröhlich, G. Erker, Chem. Eur. J. 2010, 16, 12538-12540.
doi: 10.1002/chem.201002047
196 "Electronic Tuning of Thiazolyl-Capped π-Conjugated Compounds via a Coordination/Cyclization Protocol with B(C6F5)3",
A. Job, A. Wakamiya, G. Kehr, G. Erker, S. Yamaguchi, Org. Lett. 2010, 12, 5470-5473.
doi: 10.1021/ol102282x
195 "Developing a Reliable Synthetic Route to cis-1,3-Bridge Disubstituted [3]Ferrocenophane Systems",
C. Usener, G. Kehr, R. Fröhlich, B. Wibbeling, C. Mück-Lichtenfeld, G. Erker, Organometallics 2010, 29, 3852-3861. doi: 10.1021/om100501q
194 "Carbon-Carbon Bond Activation by 1,1-Carboboration of Internal Alkynes",
C. Chen, G. Kehr, R. Fröhlich, G. Erker, J. Am. Chem. Soc. 2010, 132, 13594-13595.
doi: 10.1021/ja106365j
193 "Zirconocene Functional Group Chemistry: Photochemical [4+4] Cycloaddition of Isoprenyl Sidechains at the Bent Metallocene Framework",
I. Greger, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2010, 4711-4715.
doi: 10.1002/ejic.201000432
192 "Exploring the Limits of Frustrated Lewis Pair Chemistry with Alkynes: Detection of a System that Favors 1,1-Carboboration over Cooperative 1,2-P/B-Addition",
C. Chen, F. Eweiner, B. Wibbeling, R. Fröhlich, S. Senda, Y. Ohki, K. Tatsumi, S. Grimme, G. Kehr, G. Erker, Chem. Asian J. 2010, 5, 2199-2208. doi: 10.1002/asia.201000189
191 "Structure and Dynamic Features of an Intramolecular Frustrated Lewis Pair",
K. Axenov, C. M. Mömming, G. Kehr, R. Fröhlich, G. Erker, Chem. Eur. J. 2010, 16, 14069-14073.
doi: 10.1002/chem.201001814
190 "Synthesis of a [(π-Cyano-nacnac)Cp]zirconium Complex and Its Remote Activation for Ethylene Polymerization",
A. R. Cabrera, Y. Schneider, M. Valderrama, R. Fröhlich, G. Kehr, G. Erker, R. S. Rojas, Organometallics 2010, 29, 6104-6110. doi: 10.1021/om100866t
189 "Zirconocene Complexes Bearing Novel 3-Dimethylamino-1,2-dihydropentalene Derived Ligand Systems",
B.-H. Xu, G. Kehr, R. Fröhlich, E. Nauha, G. Erker, Dalton Trans. 2010, 39, 9973-9981.
doi: 10.1039/c0dt00515k
188 "Dynamic Topochemical Reaction Control - A Principle and its Application in ansa-Metallocene Synthesis",
I. Greger, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2010, 29, 3210-3221.
doi: 10.1021/om100467y
187 "Salen-ligands based on a planar chiral hydroxyferrocene moiety: Synthesis, coordination chemistry and use in asymmetric silylcyanation",
J. Niemeyer, J. Cloppenburg, R. Fröhlich, G. Kehr, G. Erker, J. Organomet. Chem. 2010, 695, 1801-1812.
doi: 10.1016/j.jorganchem.2010.04.008
186 "Cyclizations via Frustrated Lewis Pairs: Lewis Acid Induced Intramolecular Additions of Amines to Olefins and Alkynes",
T. Voss, C. Chen, G. Kehr, E. Nauha, G. Erker, D. W. Stephan, Chem. Eur. J. 2010, 16, 3005-3008.
doi: 10.1002/chem.200903483
185 "Photochemical Isomerisation of Boryl-Substituted Silole Derivatives",
J. Ugolotti, G. Kehr, R. Fröhlich, G. Erker, Chem. Commun. 2010, 46, 3016-3018.
doi: 10.1039/b927221f
184 "Remarkably Variable Reaction Modes of Frustrated Lewis Pairs with Non-Conjugated Terminal Diacetylenes",
C. Chen, R. Fröhlich, G. Kehr, G. Erker, Chem. Commun. 2010, 46, 3580-3582.
doi: 10.1039/b926830h
183 "Cyclische Allene und Cumulene durch kooperative Addition frustrierter Lewis-Paare an konjugierte Enine und Diine",
C. M. Mömming, G. Kehr, B. Wibbeling, R. Fröhlich, B. Schirmer, S. Grimme, G. Erker, Angew. Chem. 2010, 122, 2464-2467; doi: 10.1002/ange.200906697
"Formation of Cyclic Allene and Cumulene by Cooperative Addition of Frustrated Lewis Pairs to Conjugated Enynes and Diynes",
C. M. Mömming, G. Kehr, B. Wibbeling, R. Fröhlich, B. Schirmer, S. Grimme, G. Erker, Angew. Chem. Int. Ed. 2010, 49, 2414-2417. doi: 10.1002/anie.200906697
182 "Reaction of a Stable Conjugated Primary Enamine with Piers’ Borane",
I. Peuser, R. Fröhlich, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2010, 849-853.
doi: 10.1002/ejic.200901109
181 "Addition Reactions to the intramolecular mesityl2P-CH2-CH2-B(C6F5)2 frustrated Lewis pair",
C. M. Mömming, G. Kehr, R. Fröhlich, G. Erker, Dalton Trans. 2010, 39, 7556-7564.
doi: 10.1039/c0dt00015a
180 "Salen-Ligands Revisited: Synthesis and Application of a Planar Chiral 'Ferro-Salen' Ligand",
J. Niemeyer, G. Kehr, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2010, 680-684.
doi: 10.1002/ejic.200901118
179 "Metal-free Frustrated Lewis Pair Catalyzed 1,4-Hydrogenation of Conjugated Metallocene Dienamines",
S. Schwendemann, T. A. Tumay, K. V. Axenov, I. Peuser, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2010, 29, 1067-1069. doi: 10.1021/om900963p
178 "Functional Group Chemistry at the Group 4 Bent Metallocene Framework: [2+2] Cycloaddition of the Parent Bis(vinyl-Cp/vinyl-Ind)ZrCl2 Systems",
I. Greger, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2010, 29, 860-866.
doi: 10.1021/om900939v
2009_________________________________________________
177 "Ring-closing metathesis of sterically congested functionalized zirconocenes-ethene polymerization catalysts derived from related bridged and open metallocenes",
T. A. Tumay, G. Kehr, R. Fröhlich, G. Erker, Dalton Trans. 2009, 8923-8928.
doi: 10.1039/b911218a
176 "Synthesis and Characterization of [3]Ferrocenophane Derived P,P-Chelate Ligand Gold Complexes Featuring an Aurophilic Interaction",
G. Lübbe, C. Nilewski, G. Kehr, R. Fröhlich, G. Erker, Z. Naturforsch. 2009, 64b, 1413-1422.
doi: 10.1515/znb-2009-11-1223
175 "Synthesis of an Amino-Functionalized ansa-Zirconocene by Intramolecular Photochemical Enamine [2+2]Cycloaddition",
T. A. Tumay, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2009, 28, 4513-4518.
doi: 10.1021/om9003576
174 "Catalytic hydrogenation of C=O and C=N bonds via heterolysis of H2 mediated by metal-sulfur bonds of rhodium and iridium thiolate complexes",
M. Sakamoto, Y. Ohki, G. Kehr, G. Erker, K. Tatsumi, J. Organomet. Chem. 2009, 694, 2820-2824.
doi: 10.1016/j.jorganchem.2009.02.018
173 "Evidence for a Rapid Degenerate Hetero-Cope Type Rearranement in Cp*W(S2)S-CH2-CH=CH2",
F. Eweiner, S. Senda, K. Bergander, C. Mück-Lichtenfeld, R. Fröhlich, G. Kehr, K. Tatsumi, G. Erker, Chem. Asian J. 2009, 4, 1830-1833. doi: 10.1002/asia.200900360
172 "Synthesis and Reactions of Ferrocenyl-capped Long-chain Alkynes",
T. Blömker, P. Böckmann, G. Kehr, R. Fröhlich, G. Erker, Z. Naturforsch. 2009, 64b, 587-594.
doi: 10.1515/znb-2009-0602
171 "Remarkable Product Diversity in the 'Self-organized' Reaction of Deprotonated Acetonitrile with Chlorophosphines",
K. Spannhoff, N. Kuhl, G. Kehr, R. Fröhlich, G. Erker, J. Am. Chem. Soc. 2009, 131, 17836-17842.
doi: 10.1021/ja905676a
170 "Reversible, nicht metallunterstützte Bindung von Kohlendioxid durch frustrierte Lewis-Paare",
C. M. Mömming, E. Otten, G. Kehr, R. Fröhlich, S. Grimme, D. W. Stephan, G. Erker, Angew. Chem. 2009, 121, 6770-6773; doi: 10.1002/ange.200901636
"Reversible Metal-free Carbon Dioxide Binding by Frustrated Lewis Pairs",
C. M. Mömming, E. Otten, G. Kehr, R. Fröhlich, S. Grimme, D. W. Stephan, G. Erker, Angew. Chem. Int. Ed. 2009, 48, 6643-6646. doi: 10.1002/anie.200901636
["Pairing up", A. Pichon, Nature Chemistry 2009, doi: 10.1038/nchem.324;
Frustrierte Phosphan-Boran-Lewis-Paare binden an Kohlenstoffdioxid:
URL: http://www.organische-chemie.ch/chemie/2009jul/frustration.shtm;
"Kohlendioxid: Vom Klimakiller zum Rohstoff", U. Billow, FAZ 25.11.2009;
Frankfurter Allgemeine Zeitung (FAZ)]
169 "Reactions of an Intramolecular Frustrated Lewis Pair with Unsaturated Substrates: Evidence for a Concerted Olefin Addition Reaction",
C. M. Mömming, S. Frömel, G. Kehr, R. Fröhlich, S. Grimme, G. Erker, J. Am. Chem. Soc. 2009, 131, 12280-12289. doi: 10.1021/ja903511s
168 "Functional Group Chemistry at the Group 4 Bent Metallocene Frameworks: Formation and "Metal-free" Catalytic Hydrogenation of Bis(imino-Cp)zirconium Complexes",
K. V. Axenov, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2009, 28, 5148-5158.
doi: 10.1021/om9004093
167 "Facile Cyclometalation Reactions of Cp-Zirconium Complexes with Weakly Lewis Acidic Pendent Boron Functionalities",
M. Emmert, G. Kehr, R. Fröhlich, G. Erker, Chem. Eur. J. 2009, 15, 8124-8127.
doi: 10.1002/chem.200900981
166 "Reaction of Bis(alkynyl)silanes with Tris(pentafluorophenyl)borane: Synthesis of Bulky Silole Derivatives by Means of 1,1-Carboboration under Mild Reaction Conditions",
G. Dierker, J. Ugolotti, G. Kehr, R. Fröhlich, G. Erker, Adv. Synth. Catal. 2009, 351, 1080-1088.
doi: 10.1002/adsc.200900029
165 "Catalytic hydrogenation of sensitive organometallic compounds by antagonistic N/B Lewis Pair catalyst systems",
K. V. Axenov, G. Kehr, R. Fröhlich, G. Erker, J. Am. Chem. Soc. 2009, 131, 3454-3455.
doi: 10.1021/ja8100006
164 "Five-membered Zirconacycloallenoids - Synthesis and Characterization of Members of a Unique Class of Internally Metal-stabilized Bent Allenoid Compounds",
J. Ugolotti, G. Kehr, R. Fröhlich, S. Grimme, G. Erker, J. Am. Chem. Soc. 2009, 131, 1996-2007.
doi: 10.1021/ja8084302
163 "Bis("ferrocene-saliminato") Group 4 Metal Complexes: Synthesis, Structural Features and Use in Homogenous Ziegler-Natta Polymerization Catalysis",
J. Niemeyer, G. Kehr, R. Fröhlich, G. Erker, Dalton Trans. 2009, 3731-3741.
doi: 10.1039/b822741a
162 "Metal-free dihydrogen activation chemistry: structural and dynamic features of intramolecular P/B pairs",
P. Spies, G. Kehr, K. Bergander, B. Wibbeling, R. Fröhlich, G. Erker, Dalton Trans. 2009, 1534-1541.
doi: 10.1039/b815832k
161 "Bifunctional Molecular Systems with Pendent Bis(pentafluorophenyl)boryl Groups: From Intramolecular CH-Activation to Heterolytic Dihydrogen Splitting", M. Hill, C. Herrmann, P. Spies, G. Kehr, K. Bergander, R. Fröhlich, G. Erker, in “Activating Unreactive Substrates: The Role of Secondary Interactions”, Ed. C. Bolm, F. E. Hahn, Wiley VCH, Weinheim, Germany 2009, pp 209-230.
ISBN: 978-3-527-31823-0 (pp 209-230);
ISBN: 978-3-527-31823-0
160 "Wann bilden wechselwirkende Atome eine chemische Bindung? Spektroskopische und theoretische Analyse an Dideuterophenanthren",
S. Grimme, C. Mück-Lichtenfeld, G. Erker, G. Kehr, H. Wang, H. Beckers, H. Willner, Angew. Chem. 2009, 121, 2629-2633; doi: 10.1002/ange.200805751
"When do interacting atoms form a chemical bond? Spectroscopic measurements and theoretical analyses of Dideuterophenanthrene",
S. Grimme, C. Mück-Lichtenfeld, G. Erker, G. Kehr, H. Wang, H. Beckers, H. Willner, Angew. Chem. Int. Ed. 2009, 48, 2592-2595. doi: 10.1002/anie.200805751
159 "Catalytic Abilities of [(C6F5)2BR] (R = NC4H4 and NC4H8) Deduced from Experimental and Theoretical Charge-Density Investigations",
U. Flierler, D. Leusser, H. Ott, G. Kehr, G. Erker, S. Grimme, D. Stalke, Chem. Eur. J. 2009, 15, 4595-4601.
doi: 10.1002/chem.200802344
158 "Versatile Behavior of Conjugated Diynes with Zirconocene Reactive Species",
S. Bredeau, E. Ortega, G. Delmas, P. Richard, R. Fröhlich, B. Donnadieu, G. Kehr, N. Pirio, G. Erker, P. Meunier, Organometallics 2009, 28, 181-187. doi: 10.1021/om800512u
157 "Selective Synthesis of the 2-Hydroxyferrocene-aldimine Enantiomers - Extended Planar.Chiral Analogues of the 'Flat' Salicylaldimine Ligand Family",
J. Niemeyer, G. Kehr, R. Fröhlich, G. Erker, Dalton Trans. 2009, 3716-3730.
doi: 10.1039/b822735g
156 "1,2-Olefin Addition of a Frustrated Amine/Borane Lewis Pair",
J.-B. Sortais, T. Voss, G. Kehr, R. Fröhlich, G. Erker, Chem. Commun. 2009, 7417-7418.
doi: 10.1039/b915657g
155 "Nitrile Insertion into a Boryl-substituted Five-membered Zirconacycloallenoid: Unexpected formation of a Zwitterionic Boratirane Product",
J. Ugolotti, G. Kehr, R. Fröhlich, G. Erker, Chem. Commun. 2009, 6572-6573.
doi: 10.1039/b915924j
2008_________________________________________________
154 "Unsymmetrical Bis(iminoethyl)pyridine Metal Complexes with a Pendant Alkenyl Substituent - Part B: Internal Olefin Coordination to Ruthenium",
C. Wallenhorst, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2008, 27, 6557-6564.
doi: 10.1021/om800727q
153 "Bis(iminoethyl)pyridine Systems with a Pendant Alkenyl Group - Part A: Cobalt and Iron Complexes and their Catalytic Behavior",
C. Wallenhorst, G. Kehr, H. Luftmann, R. Fröhlich, G. Erker, Organometallics 2008, 27, 6547-6556.
doi: 10.1021/om800726y
152 "Mastering the Third Dimension of Salicylaldimine-type Ligand Systems: Development of a Convenient Route to Bis("ferrocene-saliminato")zirconium Chemistry",
J. Niemeyer, G. Kehr, R. Fröhlich, G. Erker, Chem. Eur. J. 2008, 14, 9499-9502.
doi: 10.1002/chem.200801221
151 "Metallfreie katalytische Hydrierung von Enaminen, Iminen und Phosphinoalkenyl-boranen",
P. Spies, S. Schwendemann, S. Lange, G. Kehr, R. Fröhlich, G. Erker, Angew. Chem. 2008, 120, 7654-7657; doi: 10.1002/ange.200801432
"Metal-Free Catalytic Hydrogenation of Enamines, Imines and Conjugated Phosphinoalkenylboranes",
P. Spies, S. Schwendemann, S. Lange, G. Kehr, R. Fröhlich, G. Erker, Angew. Chem. Int. Ed. 2008, 47, 7543-7546. doi: 10.1002/anie.200801432
150 "Heterolytic cleavage of dihydrogen by frustrated Lewis pairs derived from α-dimesitylphosphinoferrocenes and B(C6F5)3",
D. P. Huber, S. Tanino, G. Kehr, K. Bergander, R. Fröhlich, Y. Ohki, K. Tatsumi, G. Erker, Organometallics 2008, 27, 5279-5284. doi: 10.1021/om800339c
149 "Ferrocene-Derived Bioorganometallic Chemistry: Preparation of a [3]Ferrocenophane γ-Amino Acid for Use in Peptide Synthesis",
L. Tebben, K. Bussmann, M. Heemann, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2008, 27, 4269-4272. doi: 10.1021/om8004542
148 "quart-Feproline: Synthesis of a Very Rigid [3]Ferrocenophane Derived Artificial Amino Acid",
L. Tebben, G. Kehr, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2008, 2654-2658.
doi: 10.1002/ejic.200800379
147 "Functionalized phosphorus analogues of the β-diketiminato ligand systems: Bis(N-arylphosphinimino)acetonitrile-derived complexes of rhodium and iridium",
K. Spannhoff, G. Kehr, S. Kehr, R. Fröhlich, G. Erker, Dalton Trans. 2008, 3339-3344.
doi: 10.1039/b802032a
146 "Chemical Behavior of a Pair of (COD)CpRh and -Ir Complexes with Pendent Peripheral -B(C6F5)2 Groups",
C. Herrmann, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2008, 2328-2336.
doi: 10.1021/om800195d
145 "Structural Features of Lithio[3]ferrocenophane Systems Bearing Stabilizing Dimethylamino Substituents",
C. Chen, R. Fröhlich, G. Kehr, G. Erker, Organometallics 2008, 27, 3248-3253.
doi: 10.1021/om8001894
144 "Bis(diphenylphosphino)acetonitrile oxides, -sulfides and -imines: their formation and structural features, and the remarkable structures of two lithiated derivatives",
L. Braun, G. Kehr, R. Fröhlich, G. Erker, Inorg. Chim. Acta 2008, 361, 1668-1675.
doi: 10.1016/j.ica.2007.02.028
143 "Reactions of Pendant Boryl Groups at Cp-Metal Complexes: Heterocyclic Ring Annelation at a CpIr-System",
C. Herrmann, G. Kehr, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2008, 2273-2277.
doi: 10.1002/ejic.200701166
142 "Metallacyclische Fünfring-Allenoide: Synthese und Struktur stabiler stark verzerrter cyclischer Allen-Derivate",
J. Ugolotti, G. Dierker, G. Kehr, R. Fröhlich, S. Grimme, G. Erker, Angew. Chem. 2008, 120, 2662-2665;
doi: 10.1002/ange.200705615
"Five-membered Metallacyclic Allenoids: Synthesis and Structure of Remarkably Stable Strongly Distorted Cyclic Allene Derivatives",
J. Ugolotti, G. Dierker, G. Kehr, R. Fröhlich, S. Grimme, G. Erker, Angew. Chem. Int. Ed. 2008, 47, 2622-2625. doi: 10.1002/anie.200705615
141 "Heterolytic dihydrogen activation with the 1,8-bis(diphenylphosphino)naphthalene/B(C6F5)3 pair and its application for metal-free catalytic hydrogenation of silyl enol ethers",
H. Wang, R. Fröhlich, G. Kehr, G. Erker, Chem. Commun. 2008, 5966-5968.
doi: 10.1039/b813286k
140 "Structural Features of (Cp-PPh2AuCl)2ZrCl2: Exploring the Limits of Aurophilic Interactions",
M. Moriya, R. Fröhlich, G. Kehr, G. Erker, S. Grimme, Chem. Asian J. 2008, 3, 753-758.
doi: 10.1002/asia.200700353
139 "(N-Arylaminomethyl)pyridine-N-oxides: Synthesis and Characterization of Potential Ligand Systems and the Formation of their N,O-Chelate Aluminum Complexes",
K. Nienkemper, G. Kehr, S. Kehr, R. Fröhlich, G. Erker, J. Organomet. Chem. 2008, 693, 3063-3073.
doi: 10.1016/j.jorganchem.2008.05.032
138 "Functionalized Alkali Metal Cyclopentadienides: Structural and Chemical Features",
G. Erker, G. Kehr, R. Fröhlich, Organometallics 2008, 27, 3-14.
doi: 10.1021/om7007666
137 "(Amidomethyl)pyridine Zirconium and Hafnium Complexes: Synthesis and Structural Characterization",
K. Nienkemper, G. Kehr, S. Kehr, R. Fröhlich, G. Erker, J. Organomet. Chem. 2008, 693, 1572-1589.
doi: 10.1016/j.jorganchem.2007.12.004
136 "Functional Group Chemistry at the Zirconocene Backbone: Addition Reactions to Pendent Alkynyl Substituents",
L. Chen, G. Kehr, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2008, 73-83.
doi: 10.1002/ejic.200700749
135 "Structural Importance of Secondary Interactions in Molecules: Origin of Unconventional Conformations of Phosphine-Borane Adducts",
P. Spies, R. Fröhlich, G. Kehr, G. Erker, S. Grimme, Chem. Eur. J. 2008, 14, 333-343.
doi: 10.1002/chem.200700649
[Corrigendum: Chem. Eur. J. 2008, 14, 779. doi: 10.1002/chem.200890003]
2007_________________________________________________
134 "Formation, Structural and Dynamic Features of Atropisomeric η2-Iminoacyl Zirconium Complexes",
P. Spies, G. Kehr, S. Kehr, R. Fröhlich, G. Erker, Organometallics 2007, 26, 5612-5620.
doi: 10.1021/om7005968
133 "A Salt Metathesis Route to Ruthenium Carbene Complex Isomers with Pyridine Dicarboxamide-derived Chelate Pincer Ligands",
C. Wallenhorst, K. V. Axenov, G. Kehr, J. S. M. Samec, R. Fröhlich, G. Erker, Z. Naturforsch. 2007, 62b, 783-790. doi: 10.1515/znb-2007-0606
132 "Ein 1,8-Naphthylen-verbrücktes Bis(indenyl)zink-THF-Addukt: Synthese und Struktur eines ansa-Zinkocen-Derivates",
H. Wang, G. Kehr, R. Fröhlich, G. Erker, Angew. Chem. 2007, 119, 4992-4995;
doi: 10.1002/ange.200605069
"A 1,8-Naphthylene-Bridged Bis(indenyl)zinc THF Adduct: Formation and Structure an ansa-Zincocene Derivative",
H. Wang, G. Kehr, R. Fröhlich, G. Erker, Angew. Chem. Int. Ed. 2007, 46, 4905-4908.
doi: 10.1002/anie.200605069
131 "Preferred Phosphorus Ylid Formation upon Alkylation of Lithiobis(diphenylphosphino)acetonitrile",
L. Braun, G. Kehr, T. Blömker, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2007, 3083-3090.
doi: 10.1002/ejic.200700082
130 "Remarkable Dichotomy of Oligomeric Chain Structures of Dilithium(amidoalkylcyclopentadienide) Systems Li2[C5H4-CHR-NAr]",
V. V. Kotov, C. Wang, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2007, 26, 6258-6262.
doi: 10.1021/om700885g
129 "Bis(diphenylphosphino)acetonitrile: Synthesis, ligand properties and application in catalytic carbon-carbon coupling",
L. Braun, P. Liptau, G. Kehr, J. Ugolotti, R. Fröhlich, G. Erker, Dalton Trans. 2007, 1409-1415.
doi: 10.1039/b616847g
128 "Rapid Intramolecular Heterolytic Dihydrogen Activation by a Four-membered Heterocyclic Phosphane-Borane Adduct",
P. Spies, G. Erker, G. Kehr, K. Bergander, R. Fröhlich, S. Grimme, D. W. Stephan, Chem. Commun. 2007, 5072-5074. doi: 10.1039/b710475h
127 "Crystal-smectic E mesophases in a series of 2-(4-n-alkylphenyl)indenes",
S. M. Schultz, G. Kehr, R. Fröhlich, G. Erker, N. Kapernaum, C. Hägele, F. Giesselmann, S. Laschat, R. Judele, A. Baro, Liquid Crystals 2007, 34, 919-926.
doi: 10.1080/02678290701541504
2006_________________________________________________
126 "Oligomeric Supersandwich Structure of a Lithium Enamino-Cyclopentadienide",
V. V. Kotov, G. Kehr, R. Fröhlich, G. Erker, Z. Naturforsch. 2006, 61b, 1319-1322.
doi: 10.1515/znb-2006-1101
125 "Functional-Group Attachment and Interconversion at a Chiral [3]Ferrocenophane Framework",
C. Nilewski, M. Neumann, L. Tebben, R. Fröhlich, G. Kehr, G. Erker, Synthesis 2006, 13, 2191-2200.
doi: 10.1055/s-2006-942429
124 "Ansa-metallocene polymerization catalysts derived from [2+2]cycloaddition reactions of bis(1-methylethenyl-cyclopentadienyl)zirconium systems",
J. Paradies, G. Kehr, R. Fröhlich, G. Erker, PNAS 2006, 103, 15333-15337.
doi: 10.1073/pnas.0602627103
123 "Insertion Reactions at Cyclobutylene-Bridged ansa-Metallocene Complexes: A Quest for the Influence of Covering Phenylene Units",
L. Chen, W.-L. Nie, J. Paradies, G. Kehr, R. Fröhlich, K. Wedeking, G. Erker, Organometallics 2006, 25, 5333-5344. doi: 10.1021/om0604268
122 "Stereo-electronic interaction in complex molecules: cyclopropyl conjugation with Lewis acidic centres across connecting carbon-carbon triple bonds",
G. Dierker, G. Kehr, R. Fröhlich, G. Erker, S. Grimme, Chem. Commun. 2006, 3912-3914.
doi: 10.1039/b607906g
121 "[2+2]Cycloaddition and Subsequent meso/rac ansa-Metallocene Interconversion by Photolysis of a Bis(1,3-dialkenylcyclopentadienyl)zirconium Complex",
J. Paradies, R. Fröhlich, G. Kehr, G. Erker, Organometallics 2006, 25, 3920-3925.
doi: 10.1021/om060269c
120 "Product Diversity in the Reaction of [(norbornadiene){CpP(iPr)2}Rh] with Alkyl Iodides",
E. Ortega, N. Kleigrewe, G. Kehr, G. Erker, R. Fröhlich, Eur. J. Inorg. Chem. 2006, 3769-3774.
doi: 10.1002/ejic.200600347
119 "Carbohydrate-metallocene conjugates: selective formation of a zirconadioxacyclopentane-type dimer from the reaction of a bis(enolate)ZrCp2 reagent with a glucofuranoside derivative",
B. Meyer zu Berstenhorst, G. Erker, G. Kehr, R. Fröhlich, Dalton 2006, 3200-3203.
doi: 10.1039/b603803d
118 "Bildung eines metallorganischen Ladderan-Derivats durch eine dynamische topochemische Reaktion",
J. Paradies, I. Greger, G. Kehr, G. Erker, K. Bergander, R. Fröhlich, Angew. Chem. 2006, 118, 7792-7795;
doi: 10.1002/ange.200601592
"Formation of an Organometallic Ladderane Derivative by Dynamic Topochemical Reaction Control",
J. Paradies, I. Greger, G. Kehr, G. Erker, K. Bergander, R. Fröhlich, Angew. Chem. Int. Ed. Engl. 2006, 45, 7630-7633. doi: 10.1002/anie.200601592
117 "Formation of a Dynamic η2(O,N)-Hydroxylaminato Zirconocene Complex by Nitrosoarene Insertion into a Zr-C σ-Bond",
S. A. Cummings, R. Radford, G. Erker, G. Kehr, R. Fröhlich, Organometallics 2006, 25, 839-842.
doi: 10.1021/om050946n
116 "Development of a convenient new synthetic route to [3]ferrocenophanones",
L. Tebben, M. Neumann, G. Kehr, R. Fröhlich, G. Erker, S. Losi, P. Zanello, Dalton Trans. 2006, 1715-1720.
doi: 10.1039/b515043d
115 "Imidazolin-2-iminato titanium complexes: synthesis, structure and use in ethylene polymerization catalysis",
M. Tamm, S. Randoll, E. Herdtweck, N. Kleigrewe, G. Kehr, G. Erker, B. Rieger, Dalton Trans. 2006, 459-467. doi: 10.1039/b511752f
114 "Tetradecylferrocene: Ordered Molecular Array of an Organometallic Amphiphile in the Crystal and in a Two-dimensional Assembled Structure on a Surface",
K. Wedeking, Z. Mu, G. Kehr, R. Fröhlich, G. Erker, L. Chi, H. Fuchs, Langmuir 2006, 22, 3161-3165.
doi: 10.1021/la0531594
113 "Chelate [2-(Iminoethyl)pyridine N-oxide]metal Complexes - Synthesis and Structural Comparison with Their Chemically Related 2-(Iminoethyl)pyridine-Derived Systems",
K. Nienkemper, V. V. Kotov, G. Kehr, G. Erker, R. Fröhlich, Eur. J. Inorg. Chem. 2006, 366-379.
doi: 10.1002/ejic.200500645
112 "Group 4 bent metallocenes and functional groups - Finding convenient pathways in a difficult terrain",
G. Erker, G. Kehr, R. Fröhlich, Coord. Chem. Rev. 2006, 250, 36-46.
doi: 10.1016/j.ccr.2005.04.006
111 "Oligoethylene Chains Terminated by Ferrocenyl End Groups: Synthesis, Structural Properties and Two-Dimensional Self-Assembly on Surfaces",
K. Wedeking, Z. Mu, G. Kehr, J. Cano Sierra, C. Mück Lichtenfeld, S. Grimme, G. Erker, R. Fröhlich, L. Chi, W. Wang, D. Zhong, H. Fuchs, Chem. Eur. J. 2006, 12, 1618-1628.
doi: 10.1002/chem.200500552
2005_________________________________________________
110 "Formation of chiral ionic liquids and imidazol-2-ylidene metal complexes from the proteinogenic aminoacid L-histidine",
F. Hannig, G. Kehr, R. Fröhlich, G. Erker, J. Organomet. Chem. 2005, 690, 5959-5972.
doi: 10.1016/j.jorganchem.2005.07.115
109 "Reaction of Rosenthal's Zirconacyclocumulenes with Chlorophosphines",
P. Spieß, G. Kehr, R. Fröhlich, G. Erker, S. Grimme, C. Mück-Lichtenfeld, Organometallics 2005, 24, 4742-4746. doi: 10.1021/om050336n
108 "Ruthenium Carbene Complexes Featuring a Tridentate Pincer-type Ligand",
J.-C. Wasilke, G. Wu, X. Bu, G. Kehr, G. Erker, Organometallics 2005, 24, 4289-4297.
doi: 10.1021/om0501780
107 "Synthesis, Structural Features, and Formation of Organometallic Derivates of C1-bridged Cp/Amido Titanium and Zirconium "CpCN-Constrained Geometry" Systems",
C. Wang, G. Erker, G. Kehr, K. Wedeking, R. Fröhlich, Organometallics 2005, 24, 4760-4773.
doi: 10.1021/om0505918
106 "The (butadiene)zirconocene route to active homogeneous olefin polymerization catalysts",
G. Erker, G. Kehr, R. Fröhlich, J. Organomet. Chem. 2005, 690, 6254-6262.
doi: 10.1016/j.jorganchem.2005.02.005
105 "Structural Features of Titanium Complexes of Salicylaldiminato Derivatives of Amino Acids",
J. Müller, G. Kehr, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2005, 2836-2841.
doi: 10.1002/ejic.200500081
104 "Chelate Bis(imino)pyridine Cobalt Complexes: Synthesis, Reduction and Evidence for the Generation of Ethene Polymerization Catalysts by Li+-Cation Activation",
N. Kleigrewe, W. Steffen, T. Blömker, G. Kehr, R. Fröhlich, B. Wibbeling, G. Erker, J. Am. Chem. Soc. 2005, 127, 13955-13968. doi: 10.1021/ja052129k
103 "Preparation of Enantiomerically Pure [3]Ferrocenophane-Based Chelate Bis-Phosphane Ligands and Their Use in Asymmetric Alternating Carbon Monoxide/Propene Copolymerization",
P. Liptau, L. Tebben, G. Kehr, R. Fröhlich, G. Erker, F. Hollmann, B. Rieger, Eur. J. Org. Chem. 2005, 9, 1909-1918. doi: 10.1002/ejoc.200400866
102 "Chemistry of Metal Metal Bonded Early-Late Heterobimetallics - Cooperative Reactions of Functional Groups at a Persistent Organometallic Zr Rh Framework",
C. Cornelißen, G. Erker, G. Kehr, R. Fröhlich, Organometallics 2005, 24, 214-225.
doi: 10.1021/om049346z
101 "Bis(enamino-Cp) Group 4 metal complex chemistry: developing a Mannich-type carbon-carbon coupling reaction at the bent metallocene framework",
S. Knüppel, C. Wang, G. Kehr, R. Fröhlich, G. Erker, J. Organomet. Chem. 2005, 690, 14-32.
doi: 10.1016/j.jorganchem.2004.08.021
100 "Bioorganometallic Chemistry: Reactions of (Methyl)titanocene Cation Complexes with a Singly Deprotected Methylglucopyranoside",
B. Meyer von Berstenhorst, G. Erker, G. Kehr, J.-C. Wasilke, J. Müller, H. Redlich, J. Pyplo, Eur. J. Inorg. Chem. 2005, 92-99. doi: 10.1002/ejic.200400387
2004_________________________________________________
099 "Facile [N]C-H Activation at a (P,N)-Chelate [3]Ferrocenophane Ruthenium System",
P. Liptau, D. Carmona, L. A. Oro, F. J. Lahoz, G. Kehr, G. Erker, Eur. J. Inorg. Chem. 2004, 4586-4590.
doi: 10.1002/ejic.200400400
098 "Some selected chapters from the (butadiene)zirconocene story",
G. Erker, G. Kehr, R. Fröhlich, J. Organomet. Chem. 2004, 689, 4305-4318.
doi: 10.1016/j.jorganchem.2004.06.040
097 "Formation and Structure of a Bis(cyclopentadienyl)formamidinato)zirconium Cation Complex",
C. Cornelißen, G. Erker, G. Kehr, R. Fröhlich, Z. Naturforsch. 2004, 59b, 1246-1252.
doi: 10.1515/znb-2004-11-1243
096 "Formation and reactions of metal metal bonded heterobimetallic (C5H4-PR2)-bridged (Zr Ir) and (Zr Rh) complexes: evidence for the participation of metal hydride intermediates",
C. Cornelißen, G. Erker, G. Kehr, R. Fröhlich, Dalton Trans. 2004, 4059-4063.
doi: 10.1039/b412904k
095 "The Synthesis of Optically Active Primary Amino[3]ferrocenophanes",
L. Tebben, G. Kehr, R. Fröhlich, G. Erker, Synthesis 2004, 12, 1971-1976.
doi: 10.1055/s-2004-829177
094 "Exploring CH-Activation Pathways in Bifunctional Zirconocene/Borane Systems",
M. Hill, G. Erker, G. Kehr, R. Fröhlich, O. Kataeva, J. Am. Chem. Soc. 2004, 126, 11046-11057.
doi: 10.1021/ja048447l
093 "Generation of bis(iminoalkyl)pyridine cobalt(I) cations under alkyl group free conditions that polymerize ethene",
W. Steffen, T. Blömker, N. Kleigrewe, G. Kehr, R. Fröhlich, G. Erker, Chem. Commun. 2004, 1188-1189.
doi: 10.1039/b401122h
092 "Evidence for a Carbon Carbon Coupling Reaction to Proceed through a Planar-Tetracoordinate Carbon Intermediate",
G. Erker, S. Venne-Dunker, G. Kehr, N. Kleigrewe, R. Fröhlich, C. Mück-Lichtenfeld, S. Grimme, Organometallics 2004, 23, 4391-4395. doi: 10.1021/om0495628
091 "An Internally Coordinated Metalla[14]-crown-5 System with a Pentagonal-dipyrimadal Coordination Geometry of the Central Titanium Atom",
G. Unger, G. Erker, G. Kehr, R. Fröhlich, Z. Naturforsch. 2004, 59b, 917-920.
doi: 10.1515/znb-2004-0808
090 "Formation of a bifunctional zirconocene complex that favours intramolecular -B(C6F5)2 addition to a Cp ring over σ-ligand abstraction",
M. Hill, G. Kehr, G. Erker, O. Kataeva, R. Fröhlich, Chem. Commun. 2004, 1020-1021.
doi: 10.1039/b400228h
089 "Developing some functional group chemistry at the Group 4 bent metallocene frameworks",
G. Erker, G. Kehr, R. Fröhlich, J. Organomet. Chem. 2004, 689, 1402-1412.
doi: 10.1016/j.jorganchem.2003.12.027
088 "Metallocene Carbene Chemistry",
G. Erker, G. Kehr, R. Fröhlich, Russ. Chem. Bull., Int. Ed., 2004, 53, 1007-1019;
doi: 10.1023/B:RUCB.0000041300.00302.f7
[Izv. Akad. Nauk., Ser. Khim. 2004, 965-976.]
087 "A Fulvene Route to Group 4 Metallocene Complexes Bearing 4,7-Bis(dimethylamino)-Substituted Indenyl Ligands",
J. Cano Sierra, K. Kunz, G. Kehr, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2004, 2260-2265.
doi: 10.1002/ejic.200300799
086 "Synthesis of Alkylidene-Bridged Cp/Phosphido Group 4 Metal Complexes Precursors of the "(CpCPR)M Constrained-Geometry" Catalyst Family",
S. Bredeau, G. Altenhoff, K. Kunz, S. Döring, S. Grimme, G. Kehr, G. Erker, Organometallics 2004, 23, 1836-1844. doi: 10.1021/om034201y
085 "(μ-Methylene)bis(methylzirconocene): Preparation, Molecular Structure, and Thermal Disproportionation",
M. Hogenbirk, G. Schat, O. S. Akkerman, F. Bickelhaupt, J. Schottek, M. Albrecht, R. Fröhlich, G. Kehr, G. Erker, H. Kooijman, A. L. Spek, Eur. J. Inorg. Chem. 2004, 1175-1182.
doi: 10.1002/ejic.200300754
084 "The (Butadiene)zirconocenes and Related Compounds",
G. Erker, G. Kehr, R. Fröhlich, Adv. Organomet. Chem. 2004, 51, 109-162.
doi: 10.1016/S0065-3055(03)51003-6
083 "Responsive Iron Neighboring Group Participation in Amino Substituent-Stabilized [3]Ferrocenophane α-Carbenium Ions: A Combined Theoretical and Experimental Study",
P. Liptau, M. Neumann, G. Erker, G. Kehr, R. Fröhlich, S. Grimme, Organometallics 2004, 23, 21-25.
doi: 10.1021/om034214b
082 "(Butadiene)metallocene/B(C6F5)3 Pathway to Catalyst Systems for Stereoselective Methyl Methacrylate Polymerization: Evidence for an Anion Dependent Metallocene Catalyzed Polymerization Process",
J. W. Strauch, J.-L. Fauré, S. Bredeau, C. Wang, G. Kehr, R. Fröhlich, H. Luftmann, G. Erker, J. Am. Chem. Soc. 2004, 126, 2089-2104. doi: 10.1021/ja035739y
081 "Bildung eines neuartigen ansa-Metallocen-Gerüsts durch intramolekulare photochemische [2+2]-Cycloaddition von Bis(2-alkenylindenyl)zirconium Komplexen",
W.-L. Nie, G. Erker, G. Kehr, R. Fröhlich, Angew. Chem. 2004, 116, 313-317;
doi: 10.1002/ange.200351886
"Formation of a Unique ansa-Metallocene Framework by Intramolecular Photochemical [2+2] Cycloaddition of Bis(2-alkenylindenyl)zirconium Complexes",
W.-L. Nie, G. Erker, G. Kehr, R. Fröhlich, Angew. Chem. Int. Ed. Engl. 2004, 43, 310-313.
doi: 10.1002/anie.200351886
2003_________________________________________________
080 "Organic Functional Group Transformations in the Periphery of a Group-4 Metallocene Complex: 2H-Pyrrole Formation at a Pendant Boron Lewis Acid",
M. Hill, G. Kehr, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2003, 3583-3589.
doi: 10.1002/ejic.200300066
079 "Generation and Structural Characterization of [(Imidazol-2-ylidene)HfCl5]-Anion/Imidazolium Cation Salt",
M. Niehues, G. Kehr, R. Fröhlich, G. Erker, Z. Naturforsch. 2003, 58b, 1005-1008.
doi: 10.1515/znb-2003-1011
078 "Formation of Dinuclear Titanium and Zirconium Complexes by Olefin Metathesis - Catalytic Preparation of Organometallic Catalyst Systems",
J. Cano Sierra, D. Hüerländer, M. Hill, G. Kehr, G. Erker, R. Fröhlich, Chem. Eur. J. 2003, 9, 3618-3622.
doi: 10.1002/chem.200304789
077 "Preparation of chelate bis(imine)nickel allyl systems by reaction of their corresponding butadiene complexes with electrophiles",
J. W. Strauch, G. Kehr, G. Erker, J. Organomet. Chem. 2003, 683, 249-260.
doi: 10.1016/S0022-328X(03)00699-5
076 "Preparation of Optically Active α-Amino[3]ferrocenophanes - Building Blocks for Chelate Ligands in Asymmetric Catalysis",
P. Liptau, L. Tebben, G. Kehr, B. Wibbeling, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 2003, 3590-3600; 4261. doi: 10.1002/ejic.200300152
075 "Formation of a Chelate Bis(phosphino)[3]ferrocenophane Ligand and Its Use in Palladium-Catalyzed Alternating CO/Ethene Copolymerization",
P. Liptau, T. Seki, G. Kehr, A. Abele, R. Fröhlich, G. Erker, S. Grimme, Organometallics 2003, 22, 2226-2232. doi: 10.1021/om030076e
074 "Preparation and characterization of some structural variants of Cp*Ti(1,2-propandiolato) complexes",
A. Snell, G. Kehr, O. Kataeva, R. Fröhlich, G. Erker, J. Organomet. Chem. 2003, 687, 171-177.
doi: 10.1016/j.jorganchem.2003.06.002
073 "Structural Features of a Sulfur-Containing Group 4 Metalla[11]-crown-4 Derivative",
A. Snell, G. Kehr, B. Wibbeling, R. Fröhlich, G. Erker, Z. Naturforsch. 2003, 58b, 838-842.
doi: 10.1515/znb-2003-0905
072 "Synthesis and structural features of [(C5H4-CMe2NMe2)2TiCl], a bis(cyclopentadienyl)Ti(III) complex with internal dimethylamino coordination",
V. V. Kotov, R. Fröhlich, G. Kehr, G. Erker, J. Organomet. Chem. 2003, 676, 1-7.
doi: 10.1016/S0022-328X(03)00221-3
071 "Formation of a Doubly C,N-Bridged Six-Membered Metallacyclic Bis[(2-imidazolyl)zirconocene] Dication",
D. Vagedes, G. Erker, G. Kehr, R. Fröhlich, S. Grimme, C. Mück-Lichtenfeld, Z. Naturforsch. 2003, 58b, 305-310. doi: 10.1515/znb-2003-0409
070 "Selective Intramolecular [N]CH Activation in Bis(1-ethenylamino-Cp)zirconium-Butadiene Complexes and Related Systems",
S. Venne-Dunker, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2003, 22, 948-958.
doi: 10.1021/om020798q
069 "Synthesis and Dynamic Features of (Chloro)zirconocene Cations Stabilised by Pendant (Diarylphosphanyl)alkyl and (Dimethylamino)alkyl Substituents at their Cyclopentadienyl Ring Systems",
S. Döring, V. V. Kotov, G. Erker, G. Kehr, K. Bergander, O. Kataeva, R. Fröhlich, Eur. J. Inorg. Chem. 2003, 1599-1607. doi: 10.1002/ejic.200390210
068 "Tris(pentafluorophenyl)borane adducts of substituted imidazoles: conformational features and chemical behavior upon deprotonation",
D. Vagedes, G. Erker, G. Kehr, K. Bergander, O. Kataeva, R. Fröhlich, S. Grimme, C. Mück-Lichtenfeld, Dalton Trans. 2003, 1337-1344. doi: 10.1039/B210030B
2002_________________________________________________
067 "Synthesis of a Dinuclear μ-(η2-Thioaldehyde)zirconocene Cation Complex",
S. Courtenay, S. Smith, E. Hollink, U. Blaschke, G. Kehr, R. Fröhlich, G. Erker, D. W. Stephan, Z. Naturforsch. 2002, 57b, 1184-1188. doi: 10.1515/znb-2002-1017
066 "Structural characterization of Group 4 transition metal halide bis-Arduengo carbene complexes MCl4L2: X-ray crystal structure analyses and DFT calculations",
M. Niehues, G. Kehr, G. Erker, B. Wibbeling, R. Fröhlich, O. Blacque, H. Berke, J. Organomet. Chem. 2002, 663, 192-203. doi: 10.1016/S0022-328X(02)01731-X
065 "The Reaction of (Butadiene)zirconocene with Imines", C. Höltke, G. Erker, G. Kehr, R. Fröhlich, O. Kataeva, Eur. J. Inorg. Chem. 2002, 2789-2799.
doi: 10.1002/1099-0682(200211)2002:11 2789::AID-EJIC2789>3.0.CO;2-O
064 "Reaction of [(Cp2TiCH3)(THF)+][BPh4-] with Tripeptide Derivatives: Formation of Cationic (Peptide)titanocene Complexes",
D. Harmsen, G. Erker, R. Fröhlich, G. Kehr, Eur. J. Inorg. Chem. 2002, 3156-3171.
doi: 10.1002/1099-0682(200212)2002:12 3156::AID-EJIC3156>3.0.CO;2-6
063 "Bildung eines zwitterionischen Einkomponentenkatalysators für die Ethenpolymerisation auf Basis von Butadiennickelkomplexen: ein alternativer Aktivierungsweg bei homogenen Ziegler Natta-Katalysatoren später Übergangsmetalle",
J. Strauch, G. Erker, G. Kehr, R. Fröhlich, Angew. Chem. 2002, 114, 2662-2664;
doi: 10.1002/1521-3757(20020715)114:14 2662::AID-ANGE2662>3.0.CO;2-U
"Formation of a Butadienenickel-Based Zwitterionic Single-Component Catalyst for Ethylene Polymerization: An Alternative Activation Pathway for Homogeneous Ziegler Natta Catalysts of Late Transition Metals",
J. Strauch, G. Erker, G. Kehr, R. Fröhlich, Angew. Chem. Int. Ed. 2002, 41, 2543-2546.
doi: 10.1002/1521-3773(20020715)41:14 2543::AID-ANIE2543>3.0.CO;2-W
062 "Synthesis, Structural and Chemical Characterization of Unsaturated C4- and C10-Bridged Group-4 ansa-Metallocenes Obtained Through a Ring-Closing Olefin Metathesis Reaction",
D. Hüerländer, N. Kleigrewe, G. Kehr, G. Erker, R. Fröhlich, Eur. J. Inorg. Chem. 2002, 2633-2642.
doi: 10.1002/1099-0682(200210)2002:10 2633::AID-EJIC2633>3.0.CO;2-4
061 "Structural Features of Me2Si-Bridged Cp/Phosphido Group 4 Metal Complexes, "CpSiP" Constrained-Geometry Ziegler Natta Catalyst Precursors",
G. Altenhoff, S. Bredeau, G. Erker, G. Kehr, O. Kataeva, R. Fröhlich, Organometallics 2002, 21, 4084-4089. doi: 10.1021/om0200959
060 "Homogeneous single component betaine Ziegler-Natta catalysts: Mechanistic features and synthetic developments",
G. Erker, G. Kehr, J. Strauch, B. Temme, J. Karl, M. Dahlmann, T. Helaja, R. Fröhlich, H. Luftmann, Polymeric Materials Science and Engineering 2002, 87, 64-74.
059 "Synthesis and Structural Features of Arduengo Carbene Complexes of Group 4 Metallocene Cations",
M. Niehues, G. Erker, G. Kehr, P. Schwab, R. Fröhlich, O. Blacque, H. Berke, Organometallics 2002, 21, 2905-2911. doi: 10.1021/om020088k
058 "Formation of Isomeric BAr3 Adducts of 2-Lithio-N-methylimidazole",
D. Vagedes, G. Kehr, D. König, K. Wedeking, R. Fröhlich, G. Erker, C. Mück-Lichtenfeld, S. Grimme, Eur. J. Inorg. Chem. 2002, 2015-2021.
doi: 10.1002/1099-0682(200208)2002:8 2015::AID-EJIC2015>3.0.CO;2-8
057 "Novel organotin halides. Organometallic substituted stannoles and alkene derivatives with tin-chlorine and tin-bromine bonds - exceptionally small magnitude of coupling constants |1J(119Sn,13C)|",
B. Wrackmeyer, G. Kehr, S. Willbold, S. Ali, J. Organomet. Chem. 2002, 646, 125-133.
doi: 10.1016/S0022-328X(01)01316-X
056 "Formation of sp3-C1-Bridged Cp/Amido Titanium and Zirconium "CpCN" Constrained-Geometry Ziegler Natta Catalyst Systems",
K. Kunz, G. Erker, S. Döring, S. Bredeau, G. Kehr, R. Fröhlich, Organometallics 2002, 21, 1031-1041.
doi: 10.1021/om010624t
055 "Formation of Cyclodimeric (sp2-C1)-Bridged Cp/-Oxido ("CpC1O"MIVX2) Group 4 Metal Ziegler-Natta Catalyst Systems - How Important is the "Constrained Geometry" Effect?",
K. Kunz, G. Erker, G. Kehr, R. Fröhlich, H. Jacobsen, H. Berke, O. Blacque, J. Am. Chem. Soc. 2002, 124, 3316-3326. doi: 10.1021/ja010943b
2001_________________________________________________
054 "Thermochemical Heat Treatment of Steel Substrates using Borane-Amine Adducts as Precursors",
A. Küper, G. Kehr, J. Pflug, H.-R. Stock, C. Sarter, P. Mayr, G. Erker, Surf. Eng. 2001, 17, 55-60.
doi: 10.1179/026708401101517601
053 "The Development of Single Component Metallocene Betaine Ziegler-Natta Catalysts and Related Systems",
B. Temme, J. Karl, M. Dahlmann, K. Bergander, G. Kehr, H. Luftmann, R. Fröhlich, T. Jödicke, G. Erker, in Advances on Organometallic Catalysts and Olefin Polymerization in China and Germany, Ed. J. Sun, C. Janiak, Chemical Industry Press, Beijing, China 2001, 82-93.
052 "Formation and structural characterization of amino-substituted [3]ferrocenophanes derived from intramolecular Mannich-type coupling reactions at the metallocene framework",
P. Liptau, S. Knüppel, G. Kehr, O. Kataeva, R. Fröhlich, G. Erker, J. Organomet. Chem. 2001, 637-639, 621-630. doi: 10.1016/S0022-328X(01)01139-1
051 "Conformational Features of Group-4 ansa-Metallocenes with Long-(CH2)n-Chains Connecting their Cyclopentadienyl Ligands",
T. Jödicke, F. Menges, G. Kehr, G. Erker, U. Höweler, R. Fröhlich, Eur. J. Inorg. Chem. 2001, 2097-2106.
doi: 10.1002/1099-0682(200108)2001:8<2097::AID-EJIC2097>3.0.CO;2-L
050 "Synthesis and Structural Behavior of the Tris(η-cyclopentadienyl)zirconium-Betaine Complex Cp2[η5-C5H4B(C6F5)3]Zr",
N. Kleigrewe, T. Brackemeyer, G. Kehr, R. Fröhlich, G. Erker, Organometallics 2001, 20, 1952-1955.
doi: 10.1021/om0010316
049 "Synthesis and Structural and Chemical Features of Formimidoyl-Functionalized Lithium Cyclopentadienides",
K. Kunz, G. Erker, G. Kehr, R. Fröhlich, Organometallics 2001, 20, 392-400.
doi: 10.1021/om000753u
048 "Generation of Homogeneous (sp3-C1)-Bridged Cp/Amido and Cp/Phosphido Group 4 Metal Ziegler-Natta Catalyst Systems",
K. Kunz, G. Erker, S. Döring, R. Fröhlich, G. Kehr, J. Am. Chem. Soc. 2001, 123, 6181-6182.
doi: 10.1021/ja0029634
047 "Protonation of the Heterocyclic Cp-Anion Equivalent [Pyrrolyl-B(C6F5)3]Li - Formation of a Useful Neutral Brønsted Acid for the Generation of Homogeneous Metallocene Ziegler Catalysts",
G. Kehr, R. Roesmann, R. Fröhlich, C. Holst, G. Erker, Eur. J. Inorg. Chem. 2001, 535-538.
doi: 10.1002/1099-0682(200102)2001:2 535::AID-EJIC535>3.0.CO;2-6
2000_________________________________________________
046 "Addition and Coupling Reactions of Zirconocene Cation Complexes that Contain a Pendant η2-Formaldiminium Side Chain",
J. Pflug, G. Erker, G. Kehr, R. Fröhlich, Eur. J. Inorg. Chem. 2000, 1795-1801.
doi: 10.1002/1099-0682(200008)2000:8 1795::AID-EJIC1795>3.0.CO;2-Y
045 "Probing The Dynamic Features of Bis(aminocyclopentadienyl) and Bis(aminoindenyl) Zirconium Complexes",
S. Knüppel, J.-L. Fauré, G. Erker, G. Kehr, M. Nissinen, R. Fröhlich, Organometallics 2000, 19, 1262-1268.
doi: 10.1021/om990919v
044 "Reactions of Functional Groups at the Periphery of Group 4 Metallocene Frameworks: Selective Formation of a Cp-Bonded Azaboretidine Derivative by a Hydroboration Route",
D. Kunz, G. Erker, R. Fröhlich, G. Kehr, Eur. J. Inorg. Chem. 2000, 409-416.
doi: 10.1002/(SICI)1099-0682(200003)2000:3 409::AID-EJIC409>3.0.CO;2-6
043 "(N-Pyrrolyl)B(C6F5)2 - A New Organometallic Lewis Acid for the Generation of Group 4 Metallocene Cation Complexes",
G. Kehr, R. Fröhlich, B. Wibbeling, G. Erker, Chem. Eur. J. 2000, 6, 258-266.
doi: 10.1002/(SICI)1521-3765(20000117)6:2 258::AID-CHEM258>3.0.CO;2-E
1999_________________________________________________
042 "Novel Rearranements and Formation of 2,5-Dihydro-1,2,5-oxonia-stannaboratoles via Methanolysis of Zwitterionic η2-(Alkyn-1-yl-borate)alkenyltin Compounds",
B. Wrackmeyer, G. Kehr, S. Willbold, and R. Boese, Chem. Heterocycl. Compd. 1999, 35, 1041-1051.
doi: 10.1007/BF02251795
041 "Group 5 Metal Complexes with Cyclooctatetraene: Formation and Characterization of (Butadiene)(cyclooctatetraene) (cyclopentadienyl)tantalum Systems",
H. C. Strauch, K. Bergander, G. Kehr, R. Fröhlich, G. Erker, Eur. J. Inorg. Chem. 1999, 1461-1466.
doi: 10.1002/(SICI)1099-0682(199909)1999:9 1461::AID-EJIC1461>3.0.CO;2-B
040 "Stable Borate-Bridged ansa-Zirconocene Complexes. Preparation and X-ray Crystallographic Characterization of [Cp*2Al]+[Me(Ph)B(η5-C5H4)2ZrCl2]- and [PPN]+[Cl(Ph)B(η5-C5H4)2ZrCl2]",
C. T. Burns, D. S. Stelck, P. J. Shapiro, A. Vij, K. Kunz, G. Kehr, T. Concolino, A. L. Rheingold, Organometallics 1999, 18, 5432-5434. doi: 10.1021/om990744p
039 "Evidence for α-Nitrogen Participation in the Internal C-H Activation Reaction at ((Dimethylamino)methyl)cyclopentadienyl-Derived Methylzirconocene Cations",
J. Pflug, A. Bertuleit, G. Kehr, R. Fröhlich, G. Erker, Organometallics 1999, 18, 3818-3826.
doi: 10.1021/om990216d
038 "Lewis Acid Properties of Tris(pentafluorophenyl)borane. Structure and Bonding in L-B(C6F5)3 Complexes",
H. Jacobsen, H. Berke, S. Döring, G. Kehr, G. Erker, R. Fröhlich, O. Meyer, Organometallics 1999, 18, 1724-1735. doi: 10.1021/om981033e
037 "Reactions of Zwitterionic η2-(Alkyn-1-yl-borate)alkenyltin Compounds with Lewis bases",
B. Wrackmeyer, G. Kehr, S. Willbold, J. Organomet. Chem. 1999, 590, 93-103.
doi: 10.1016/S0022-328X(99)00437-4
036 "1,1-Organoboration of Tetraynes - Routes to New Siloles, Stannoles and Fused Heterocycles",
B. Wrackmeyer, G. Kehr, J. Süß, E. Molla, J. Organomet. Chem. 1999, 577, 82-92.
doi: 10.1016/S0022-328X(98)01029-8
1998_________________________________________________
035 "1,6-Dihydro-1,6-disilapentalene Derivatives by 1,1-Organoboration of Triynes",
B. Wrackmeyer, G. Kehr, J. Süß, E. Molla, J. Organomet. Chem. 1998, 562, 207-215.
doi: 10.1016/S0022-328X(98)00529-4
034 "C1-verbrückte Fluorenyliden-Indenylidenkomplexe des Typs (C13H8-CR2-C9H6-nR'n)ZrCl2 (n = 0, 1; R = Me, Ph, Butenyl; R' = Alkyl, Alkenyl) als Metallocenkatalysatorvorstufen für die Ethylenpolymerisation",
H. G. Alt, M. Jung, G. Kehr, J. Organomet. Chem. 1998, 562, 153-281.
doi: 10.1016/S0022-328X(98)00406-9
033 "Trisilylamines, a 13C, 15N and 29Si NMR Study in Solution - Evidence for Si-Br-Si Bridging", B. Wrackmeyer, G. Kehr, D. Wettinger, Magn. Reson. Chem. 1998, 36, S157-S160.
doi: 10.1002/(SICI)1097-458X(199806)36:13 S157::AID-OMR270>3.0.CO;2-4
032 "Reaction of 9-Borabicyclo[3.3.1]nonane with N-Trimethylsilylamines - Cleavage of the N-Si or N-H Bond",
B. Wrackmeyer, G. Kehr, S. Ali, Z. Naturforsch. 1998, 53b, 393-395.
doi: 10.1515/znb-1998-0321
031 "N-Trialkylstannyl Substituted Pyrroles, Indoles and N-Trimethylstannyl-carbazole: Determination of Signs of Coupling Constants and Isotope-Induced Chemical Shifts 1Δ14/15N(119Sn)",
B. Wrackmeyer, G. Kehr, H. E. Maisel, H. Zhou, Magn. Reson. Chem. 1998, 36, 39-45.
doi: 10.1002/(SICI)1097-458X(199801)36:1 39::AID-OMR209>3.0.CO;2-W
1997_________________________________________________
030 "1H,13C,119Sn NMR, 119mSn Mössbauer, Infrared and Mass Spectrometric Studies of Organotin Carboxylates of 2-(2,3-Dimethylphenyl)aminobenzoic Acid and Their Effect on Microorganisms",
M. Danish, S. Ali, A. Badshah, M. Mazhar, H Masood, A. Malik, G. Kehr, Synth. React. Inorg. Met.-Org. Chem. 1997, 27, 863-885. doi: 10.1080/00945719708000234
029 "1,10-Distanna-cyclo-octadeca-2,8,11,17-tetrayne",
B. Wrackmeyer, G. Kehr, D. Wettinger, Main Group Met. Chem. 1997, 20, 573-579.
doi: 10.1515/MGMC.1997.20.9.573
028 "[μ2-,η2-Alkynyl-hexacarbonyldicobalt]organotin Complexes and the Molecular Structure of Bis[μ2-,η2-ethynylhexacarbonyldicobalt]diphenyltin",
B. Wrackmeyer, G. Kehr, H. E. Maisel, H. Nöth, J. Organomet. Chem. 1997, 532, 201-206.
doi: 10.1016/S0022-328X(96)06748-4
027 "Di-tert-butyl(N-pyrrolyl)phosphane, -sulfide, and -selenide - Studied by Multinuclear Magnetic Resonance",
B. Wrackmeyer, G. Kehr, H. Zhou, Fresenius J. Anal. Chem. 1997, 357, 489-493.
doi: 10.1007/s002160050198
026 "Pentaalkyl-6-diphenylphosphino-2,3,4,5-tetracarba-nido-hexaboranes(6)",
B. Wrackmeyer, A. Glöckle, G. Kehr, Phosphorus, Sulfur and Silicon, 1997, 131, 25-35.
doi: 10.1080/10426509708031593
1996_________________________________________________
025 "Organometallic-substituted Allenes - Determination of Coupling Signs and Molecular Structures of two Stannylated Allenes",
B. Wrackmeyer, U. Dörfler, G. Kehr, H. E. Maisel, W. Milius, J. Organomet. Chem. 1996, 524, 169-170.
doi: 10.1016/50022-328X(96)06436-4
024 "Coupling Sign Determination and Isotope-Induced Chemical Shifts 1Δ15/14N(29Si), 1Δ15/14N(119Sn) and 1Δ29/28Si(15N): Multinuclear Magnetic Resonance Study of N-Trimethylsilyl, -stannyl and -plumbyl Substituted 2-Aminopyridines, 2,6-Diaminopyridines and of Analogous 2-Picolines",
B. Wrackmeyer, G. Kehr, H. Zhou, S. Ali, Magn. Reson. Chem. 1996, 34, 921-928.
doi: 10.1002/(SICI)1097-458X(199611)34:11
023 "2,5-Dihydro-1,2,5-phosphasilaborole Derivatives - Determination of Signs of Coupling Constants 1J(31P,29Si), 2J(31P,31P), J(31P,13C), J(31P,1H)]",
B. Wrackmeyer, G. Kehr, R. Köster, G.Seidel, Magn. Reson. Chem. 1996, 34, 625-630.
doi: 10.1002/(SICI)1097-458X(199608)34:8
1995_________________________________________________
022 "Determination of Coupling Signs in Stannylated Alkynes and Allenes",
B. Wrackmeyer, G. Kehr, J. Süß, Main Group Met. Chem. 1995, 18, 127-134.
doi: 10.1515/MGMC.1995.18.127
021 "Mossbauer, Multinuclear Magnetic Resonance and Mass Spectrometric Studies of Organotin Carboxylates of m-Methyl-trans-cinnamic Acid",
S. Ali, M. Danish, M. Mazhar, A. Badshah, M. I. Chaudhary, H. G. Alt, G. Kehr, Polyhedron 1995, 14, 3115-3123. doi: 10.1016/0277-5387(95)00080-C
020 "Synthesis of 1,6-Dihalogeno-2,3,4,5-tetracarba-nido-hexaborane(6) Derivatives",
B. Wrackmeyer, G. Kehr, J. Organomet. Chem. 1995, 501, 87-93.
doi: 10.1016/0022-328X(95)05619-Z
019 "Application of 2D Heteronuclear Shift Correlations to the Determination of Coupling Signs in Bis(trimethyltin) Sulfide, Selenide, Telluride, Trimethyltin Methylselenide and Bis(trimethylsilyl) selenide",
B. Wrackmeyer, K. Bauer, G. Kehr, U. Dörfler, Main Group Met. Chem. 1995, 18, 1-7.
doi: 10.1515/MGMC.1995.18.11
1994_________________________________________________
018 "Determination of Absolute Signs of 119Sn-117Sn Spin-Spin Coupling Constants",
B. Wrackmeyer, G. Kehr, Z. Naturforsch. 1994, 49b, 1407-1409.
doi: 10.1515/znb-1994-1017
017 "1,1-Organoboration of Tri-1-alkynyltin Compounds - Novel Triorganotin Cations, Stannoles, 3-Stannolenes and 1-Stanna-4-bora-2,5-cyclohexadiens",
B. Wrackmeyer, G. Kehr, D. Wettinger, Inorg. Chim. Acta 1994, 220, 161-173.
doi: 10.1016/0020-1693(94)03869-4
016 "Trimethylsilylierte 1,4-Diborinane und 1,3-Diborolane-Bildung, Isomeren-Trennung und Charakterisierung",
R. Köster, G. Seidle, F. Lutz, C. Krüger, G. Kehr, B. Wrackmeyer, Chem. Ber. 1994, 127, 813-820.
doi: 10.1002/cber.19941270504
015 "Cyclic Bis(amino)organotin Cations, Stabilized by π-Coordination and New Spirocyclic Stannole Derivatives",
B. Wrackmeyer, G. Kehr, S. Ali, Inorg. Chim. Acta 1994, 216, 51-55.
doi: 10.1016/0020-1693(93)03702-C
014 "Application of Hahn-Echo Extended Puls Sequences to N-Pyrrolyl-Phosphorus Compounds",
B. Wrackmeyer, G. Kehr, J. Magn. Reson. 1994, 107, 106-108.
1993_________________________________________________
013 "Exchange Reaktions between 1-Alkynyltin Compounds, Studied by 13C, 29Si and 119Sn NMR Multinuclear NMR of Tetrakis(trimethylsilylethynyl)lead and the Crystal Structures of two Tetra-1-alkynyltin Compounds",
B. Wrackmeyer, G. Kehr, D. Wettinger, W. Milius, Main Group Met. Chem. 1993, 16, 445-461.
012 "Tetra-1-alkynyltin Compounds and Exchange Reactions with Tin Tetrachloride - 13C and 119Sn Nuclear Magnetic Resonance Study",
B. Wrackmeyer, G. Kehr, Main Group Met. Chem. 1993, 16, 305-314.
011 "Geminal Coupling Constants 2J(15N13C) in 2-Substituted Pyridines, Measured by Hahn-Echo Extended (HEED) Pulse Sequences",
B. Wrackmeyer, G. Kehr, Z. Naturforsch. 1993, 48b, 1433-1435.
doi: 10.1515/znb-1993-1021
010 "1,1-Organoboration of Di-1-alkynylsilanes with Alkynyl Groups of Different Reactivity: New Organometallic-Substituted Siloles",
B. Wrackmeyer, G. Kehr, J. Süß, Chem. Ber. 1993, 126, 2221-2226.
doi: 10.1002/cber.19931261009
009 "Organosubstituierte 1,1´-Spirobisilole und 1,1´-Spirobigermole durch vierfache Organoborierung von Tetra-1-alkinylsilanen und -germanen",
R. Köster, G. Seidel, I. Klopp, C. Krüger, G. Kehr, J. Süß, B. Wrackmeyer, Chem. Ber. 1993, 126, 1385-1396. doi: 10.1002/cber.19931260617
1992_________________________________________________
008 "Organotin Cations Stabilized by π-Coordination - Synthesis and NMR Studies in Solution and in the Solid State",
B. Wrackmeyer, G. Kehr, A. Sebald, J. Kümmerlen, Chem. Ber. 1992, 125, 1597-1603.
doi: 10.1002/cber.19921250714
007 "Synthesis and Multinuclear Magnetic Resonance Studie (13C, 15N, 29Si, 119Sn) of Alkynyl(dialkylamino)tin Compounds",
B. Wrackmeyer, G. Kehr, H. Zhou, S. Ali, Main Group Met. Chem. 1992, 15, 89-99.
006 "η5-Cyclopentadienyl-Derivatives of Tin(II) - Studied by Two-Dimensional Multinuclear Resonance in Solution and by 13C, and 119Sn CP/MAS NMR in the Solid State",
B. Wrackmeyer, E. Kupce, G. Kehr, A. Sebald, Magn. Reson. Chem. 1992, 30, 964-968.
doi: 10.1002/mrc.1260301010
005 "Routes to Bis(amino)tin Dichlorides: Exchange Reactions between Tin(IV) Chloride and Tin(II)- and Tin(IV) Amides, and the Synthesis of a Cyclic Bis(amino)tin Dichloride from Tin(IV) Chloride and N,N´-Di-tert-butyl-1,3-diaminopropane via HCl Elimination",
B. Wrackmeyer, G. Kehr, H.Zhou, S. Ali, Inorg. Chim. Acta 1992, 197, 129-133.
doi: 10.1016/S0020-1693(00)84955-5
004 "13C, 15N , 29Si, 31P NMR of N-Trimethylsilylamino-Phosphorus Compounds - Sign-Determination of Various Coupling Constants - Application of Hahn-Echo Extended Pulse Sequences",
B. Wrackmeyer, E. Kupce, G. Kehr, J. Schiller, Magn. Reson. Chem. 1992, 30, 304-311.
doi: 10.1002/mrc.1260300407
003 "Organoborierung von Tetrakis(trimethylsilylethinyl)stannan - Röntgenstrukturanalyse eines 5-Stannaspiro[4.4]nona-1,3,6,8-tetraen-Derivates",
B. Wrackmeyer, G. Kehr, R. Boese, Chem. Ber. 1992, 125, 643-650.
doi: 10.1002/cber.19921250316
1991_________________________________________________
002 "π-Koordination an Diorganozinn-Dikationen",
B. Wrackmeyer, G. Kehr, R. Boese, Angew. Chem. 1991, 103, 1374-1376;
doi: 10.1002/ange.19911031030
"π-Coordination of Diorganotin Dications",
B. Wrackmeyer, G. Kehr, R. Boese, Angew. Chem. Int. Ed. Engl. 1991, 30, 1370-1372.
doi: 10.1002/anie.199113701
001 "Peralkylated 1,4-Dibora-2,4-cyclohexadienes - Formation and Rearranement into Peralkylated nido-2,3,4,5-Tetracarbahexaboranes(6)",
B. Wrackmeyer, G. Kehr, Polyhedron 1991, 10, 1497-1506.
doi: 10.1016/S0277-5387(00)86072-6