Prof. Dr. E.-U. Würthwein
© Ernst-Ulrich Würthwein
  • Curriculum Vitae

    Born

    • 7.4.1948

    Studies of Chemistry

    • 1967 - 1972, University of Marburg, Germany

    Dr. rer. nat.

    • 1975, University of Marburg under supervision of Prof. C. Reichardt

    Postdoc

    • 1976 - 1977, University of East Anglia/GB at the chair of Prof. A. R. Katritzky FRS

    Habilitation

    • 1978 - 1983, University of Erlangen/Germany at the chair of Prof. P. v. R. Schleyer

    Privatdozent

    • 1983, University of Erlangen/Germany

    University Professor

    • since 1986, University of Münster/Germany

    Visiting Professor

    • 1989, Universität Rennes/France
    • 1990, Yale University in New Haven CN/USA

    Retirement

    • 1.8.2013

  • Research

    © Ernst-Ulrich Würthwein
  • Publications

     2017

    239.  P. A. Byrne, S. Kobayashi, E.-U. Würthwein, J. Ammer, H. Mayr, J. Am. Chem. Soc. 2017, 139, 1499-1511, DOI: 10.1021/jacs.6b10889: “Why are Vinyl Cations Sluggish Electrophiles?”

    238.  K. Martinewski, T. Holtrichter-Rößmann, Chr. Rösener, A. Hepp, E.-U. Würthwein, W. Uhl, Chem.- Eur. J., online, DOI: 10.1002/chem.201604630: “Cooperative Activation of Isocyanates by Al-N Based Active Lewis Pairs and the Generation of a C5 Chain by Simultaneous Formation of Two C-C Bonds”.

     2016

     237.        W. Uhl, C. Honacker, A. Hepp, M. Layh, E.-U. Würthwein, Eur. J. Inorg. Chem., 2016, 4170-4178, DOI: 10.1002/ejic.201600764: “σ-Bond Activation in Aluminium-Functionalized Alkynylchlorogermanes - Facile Insertion of Isocyanate and Azide into Al-C and Ge-Cl Bonds”.

     236.        W. Uhl, P. Wegener, M. Layh, A. Hepp, E.-U. Würthwein, Z. Naturf. B. 2016, 71, 1043-1050, DOI: 10.1515/znb-2016-0118: „Reaction of an Al/P-based frustrated Lewis-pair with benzophenone: Formation of adducts and aluminium alcoholates via β-hydride elimination”.

     235.        T. Holtrichter-Rößmann, I. Häger, C.-G. Daniliuc, R. Fröhlich, K. Bergander, C. Troll, B. Rieger, R. S. Rojas, E.-U. Würthwein, Organometallics, 2016, 35, 1906-1915, DOI: 10.1021/acs.organomet.6b00240: „Catalytically Active N-Acylamidine – Zirconium Complexes: Synthesis, Structures and Application in Ethylene Polymerization”.

     234.        A. J. Wrobel, R. Lucchesi, B. Wibbeling, C.-G. Daniliuc, R. Fröhlich, E.-U. Würthwein, J. Org. Chem. 2016, 81, 2849-2863, DOI: 10.1021/acs.joc.6b00126: "1,3,5-Triazapenta­dienes by Nucleophilic Addition to 1,3- and 1,4- Dinitriles: Sterically Constrained Examples by Incorporation into Cyclic Peripheries: Synthesis, Aggregation, and Photophysical Properties".

     233.        L. Keweloh, H. Klöcker, E.-U. Würthwein, W. Uhl, Angew. Chem. 2016, 128, 3266-3269, DOI: 10.1002/ange.201511048: „Ein P-H-funktionalisiertes Al/P-basiertes frustriertes Lewis-Paar: Substrataktivierung und selektiver Wasserstofftransfer; Angew. Chem. Int. Ed. 2016, 55, 3212-3215, DOI: 10.1002/anie.201511048 A P-H Functionalized Al/P Frustrated Lewis Pair: New FLP Reactivity with Substrate Activation and Selective Hydrogen Transfer”.

     232.        A. Schulte, S. Janich, E.-U. Würthwein, S. Saito, B. Wünsch, J. Heterocycl. Chem. 2016, 53, 1827-1837, DOI 10.1002/jhet.2493: „Investigation of the Corey Bromolactamization with N-Functionalized Allylamines“.

     2015

     231.        W. Uhl, P. Wegener, Ernst-Ulrich Würthwein, Z. Anorg. Allgem. Chem. 2015, 641, 2102-2108; DOI: 10.1002/zaac.201500519: “Dehydrochlorination of Carboxylic Acid Chlorides by an Aluminium/Phosphorus-Based Frustrated Lewis Pair and the Formation of Ketene Adducts”.

     230.        K. W. von Bargen, E.-M. Niehaus, I. Krug, K. Bergander, E.-U. Würthwein, B. Tudzynski, H.-U. Humpf, J. Nat. Prod. 2015, 78, 1809-1815; DOI: 10.1021/np5008137: “Isolation and Structure Elucidation of Fujikurin A-D: Products of the PKS19 Gene Cluster in Fusarium fujikuroi".

     229.        X. Jin, M. Willeke, R. Lucchesi, C.-G. Daniliuc, R. Fröhlich, B. Wibbeling, W. Uhl, E.-U. Würthwein, J. Org. Chem. 2015, 80, 6062-6075, DOI 10.1021/acs.joc.5b00466: “Hydroalu­mination of Ketenimines and Subsequent Reactions with Heterocumulenes: Synthesis of Unsaturated Amide Derivatives and 1,3-Diimines”.

     228.        C. Glotzbach, N. Gödeke, R. Fröhlich, C.-G. Daniliuc, S. Saito, S. Yamaguchi, E.-U. Würthwein, Dalton Transactions 2015, 44, 9659–9671, DOI: 10.1039/c5dt00908a: “Fluorescent Benzene-centered Mono-, Bis- and Tris-Triazapentadiene-Boron Complexes”.

     227.        T. Stopka, L. Marzo, M. Zurro, S. Janich, E.-U. Würthwein, C. G. Daniliuc, J. Aleman, O. Garcia Mancheno, Angew. Chem. 2015, 127, 5137-5141, DOI: 10.1002/ange.201411726: „Oxidative C-H-Funktionalisierung und Ringerweiterung mit TMSCHN2: ein Kupfer(I)-katalysierter Zugang zu Dibenzoxepinen und Dibenzazepinen“; Angew. Chem. Int. Ed. 2015, 54, 5049-5053; DOI: 10.1002/anie.201411726: “Oxidative C-H Bond Functionalization and Ring Expansion with TMSCHN2: A Copper(I)-Catalyzed Approach to Dibenzoxepines and Dibenzoazepines.”

     226.        W. Uhl, P. Wegener, M. Layh, A. Hepp, E.-U. Würthwein, Organometallics, 2015, 34, 2455-2462, DOI: 10.1021/om501206p: “Chalcogen Capture by an Al/P-Based Frustrated Lewis Pair: Formation of Al-E-P Bridges and Intermolecular Tellurium-Tellurium Interactions”.

     225. W. Uhl, S. Pelties, J. Tannert, B. J. Ravoo, E.-U. Würthwein, Chem.-Eur. J. 2015, 21, 2629-2637, DOI: 10.1002/chem.201405739: „Germacyclobutenes: Generation by 1,1-Carbaluminiation or 1,1-Carbagallation and their Photophysical Properties”.

     2014

    224. W. Uhl, Chr. Appelt, A. Wollschläger, A. Hepp, E.-U. Würthwein, Inorg. Chem. 2014, 8991-8999, DOI: 10.1021/ic5009126: “An Al/P-Based Frustrated Lewis Pair as an Efficient Ambiphilic Ligand: Coordination of Boron Trihalides, Rearrangement and Formation of HBX2 Complexes (X = Br, I)”

    223. S.I. Zhivetyeva, L.I. Goryunov, I.Yu. Bagryanskaya, J. Grobe, V.D. Shteingarts, E.-U. Würthwein, J. Fluorine Chem. 2014, 164, 58-69, DOI: 10.1016/j.jfluchem.2014.04.012: “Phosphinodefluorination of Polyfluorobenzenes by Silylphosphines Ph(R)PSiMe3 (R = Me, Ph): Further Experimental and Computational Evidences for the Concerted ANDN Mechanism of Aromatic Nucleophilic Substitution”.

     222. W. Uhl, J. Bohnemann, M. Layh, E.-U. Würthwein, Chem. – Eur. J. 2014, 8771-8781, DOI: 10.1002/chem.201402713: „Hydroalumination of a Chlorine-trialkynylsilane: Spontaneous Stepwise 1,3-Dyotropic Rearrangement via an Intermediate Silyl Cation”.

     221. M. Peikert, X. Chen, L. Chi, G. Brezesinski, S. Janich, E.-U. Würthwein.  H. J. Schäfer, Langmuir 2014, 30, 5780-5789, DOI: 10.1021/la404340h: “Phase behavior and molecular packing of octadecyl phenols and their methyl ethers at the air/water interface.”

    2013

    220. B. Neue, A Wakamiya, R. Fröhlich, B. Wibbeling, S. Yamaguchi, E.-U. Würthwein, J. Org. Chem. 2013, 78, 11747-11755, DOI: 10.1021/jo401748d: “Modification and Unexpected Reactivity of 2-Borylbenzaldimines – Acylated and Silylated Derivatives as well as Dimeric Compounds”.

    219. F. Hengesbach, X. Jin, A. Hepp, B. Wibbeling, E.-U. Würthwein, W. Uhl, Chem.- Eur. J. 2013, 19, 13901-13909, DOI: 10.1002/chem.201302179. „Activation of Isocyanates and Carbon Dioxide by a Monomeric Aluminium Hydrazide as an Active Lewis-Pair“.

    218. W. Uhl, E.-U. Würthwein, Novel Al-Based FLP Systems, in “Frustrated Lewis Pairs II” (Ed. D. W. Stephan, G. Erker, Ed.), 121-157, 2013, DOI 10.1007/978-3-37759-4 (Springer, Heidelberg).

    217. B. Neue, R. Reiermann, R. Fröhlich, B.Wibbeling, K. Bergander, E.-U. Würthwein, Eur. J. Org. Chem. 2013, 4944-4952, DOI: 10.1002/ejoc.201300293: „Isonitrile Cyclization Reactions: 4-Methylene-4H -benzo[d][1,3]oxazine, 3-Benzyl-4-methylene-3,4-Dihydroquinazolines and 3-(4-Benzyl)-3H-Quinazolin-4-ones - Experiment and Theory”.

    216. T. Holtrichter-Rößmann, J. Isermann, Chr. Rösener, B. Cramer, C.-G. Daniliuc, J. Kösters, M. Letzel, E.-U. Würthwein, W. Uhl, Angew. Chem. Int. Ed. 2013, 52, 7135-7138, DOI: 10.1002/anie.201301970: “An Aluminium-Nitrogen Based Lewis Pair as an Effective Catalyst for the Oligomerisation of Cyanamides – Formation of Acyclic C-N Oligomers Instead of Thermodynamically Favoured Cyclic Aromatic Trimers”.

    215. Chr. Glotzbach, U. Kauscher, J. Voskuhl, N. S. Kehr, M. Stuart, R. Fröhlich, H. Galla, B. J. Ravoo, K. Nagura, S. Saito, S. Yamaguchi, E.-U. Würthwein, J. Org. Chem. 2013, 78, 4410-4418, DOI: 10.1021/jo4003745: “Fluorescent Modular Boron Systems based on NNN- and ONO-Tridentate Ligands: Self-Assembly and Cell Imaging".

    214. J. Hellmann, I. Rhotert, H. Westenberg, R. Fröhlich, B. Wibbeling, W. Uhl, E.-U. Würthwein, Eur. J. Org. Chem. 2013, 3356-3368, DOI: 10.1002/ejoc.201300208: „N-Acyl- and N-Sulfonylformamidines from Cyanamides and Carbodiimides via Hydroalumination and Subsequent Treatment with Electrophiles.”

    213. Chr. Meyer, B. Neue, D. Schepmann, S. Yanagisawa, J. Yamaguchi, E.-U. Würthwein, K. Itami, B.Wünsch, Bioorg. Med. Chem. 2013, 21, 1844-1856, DOI: 10.1016/j.bmc.2013.01.038: “Improvement of σ1 receptor affinity by late-stage C-H-bond arylation of spirocyclic lactones.”

    212. K. Banert, A. Ihle, A. Kuhtz, E. Penk, B. Saha, E.-U. Würthwein, Tetrahedron 2013, 69, 2501-2508, DOI: 10.1016/j.tet.2012.12.054: „Generation of highly strained 2,3-bridged 2H-azirines via cycloaddition reactions of 2-azidobuta-1,3-dienes and photolysis of the resulting cyclic vinyl azides.”

    211. M. Erdmann, C. Rösener, T.Holtrichter-Rößmann, C.-G. Daniliuc, R. Fröhlich, W. Uhl, E.-U. Würthwein, G. Erker, Dalton Transactions, 2013, 42, 709-718, DOI: 10.1039/c2dt31737k: “Functional group chemistry at intramolecular frustrated Lewis pairs: substituent exchange at the Lewis acid site with 9-BBN.”

     2012

    210. M. Erdmann, C. Rösener, T..Holtrichter-Rößmann, C.-G. Daniliuc, R. Fröhlich, W. Uhl, E.-U. Würthwein, G. Erker, Dalton Transactions, 2012, submitted: "Functional group chemistry at intramolecular frustrated Lewis pairs: substituent exchange at the Lewis acid site with 9-BBN”.

    209. R. Narayan, C.-G. Daniliuc, E.-U. Würthwein, Eur. J. Org. Chem., 2012, accepted: "Preparation of NH-Pyrroles under Superelectrophilic Conditions by an Aza-Nazarov Reaction Cascade with Indole as Neutral Leaving Group: Experiment and Theory". DOI:10.1002/ejoc.201200913

    208. K. Kleigrewe, F. Aydin, K. Hogrefe, P. Piecuch, K. Bergander, E.-U. Würthwein, H.-U. Humpf, J. Agric. Food Chem., 2012, 5497-5505, online: "Structure Elucidation of New Fusarins Revealing Insights in the Rearrangement Mechanisms of the Fusarium Mycotoxin Fusarin C". DOI:10.1021/jf3009469

    207. B. Neue, R. Fröhlich, E.-U. Würthwein, Z. Naturf. B., 2012, 295-304, "A Novel Pathway to Imidazo[1,2-a]pyridines – Access through Imino Pyridinium Salts".

    206. T. Holtrichter-Rößmann, C. Rösener, J. Hellmann, W. Uhl, E.-U. Würthwein, R. Fröhlich, B. Wibbeling, Organometallics, 2012, 31, 2176-2184, online: "Generation of Weakly Bound Al-N Lewis-Pairs by Hydroalumination of Ynamines and the Activation of Small Molecules: Phenylethyne and Dicyclohexylcarbodiimide". DOI:10.1021/om3001179

    205. B. Neue, R. Fröhlich, B. Wibbeling, A. Fukazawa,A. Wakamiya, S. Yamaguchi, E.-U. Würthwein, J. Org. Chem., 2012, online: "Synthesis and Photophysical Properties of Aryl Substituted 2-Borylbenzaldimines and their Extended π-Conjugated Congeners". DOI:10.1021/jo202212s

    204. J. I. Clodt, R. Fröhlich, M. Eul, E.-U. Würthwein, Eur. J. Inorg. Chem., 2012, online: "Metallomacrocyclic Complexes by Self-assembly of NiII and CuII Ions and Chelating Bis(N-acylamidines)". DOI:10.1002/ejic.201101350

    203. R. Narayan, R. Fröhlich, E.-U. Würthwein, J. Org. Chem., 2012, online: "Synthesis of Pyrroles through a 4π-Electrocyclic Ring Closure Reaction of 1-Azapentadienyl Cations". DOI:10.1021/jo202477h

    202. I. Humelnicu, E.-U. Würthwein, G. Haufe, Org. Biomol. Chem., 2012, online: "The Conformers of 3-Fluoroalanine. A Theoretical Study - Influence of a Fluorine Substituent on the Physicochemical Properties and Chemical Reactivity of Fluorinated Amino Acids. Part 1". DOI:10.1039/C2OB06492H

    201. W. Uhl, D. Heller, J. Kösters, E.-U. Würthwein, N. Ghavtadze, Eur. J. Inorg. Chem., 2012, online: "Hydroalumination of Bis(alkynyl)-silanes, Generation of Chelating Lewis-Acids, Their Application in the Coordination of Chloride Ions and a 1,1-Carbalumination Reaction". DOI:10.1002/ejic.201100890

    200. K. Michel, C. Glotzbach, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem., 2012, 960-966: "[1,4]Dithiepino[2,3-b]furans from Oxiranyl Carbald¬imines and Lithiated 1,3-Dithiane: A Series of Rearrangement Reactions in One Pot". DOI:10.1002/ejoc.201101423

    2011

    199. B. Neue, R. Reiermann, K. Gerdes, R. Fröhlich, B. Wibbeling, E.-U. Würthwein, J. Org. Chem., 2011, online: "Ring Closure Reactions of 2,6-Diaza¬heptatrienyl Metal Compounds: Synthesis of 3-Aminoindole Derivatives and 14-Membered Macrocyclic Dimers". DOI:10.1021/jo201521v

    198. C. Meyer, B. Neue, D. Schepmann, S. Yanagisawa, J. Yamaguchi, E.-U. Würthwein, K. Itami, B. Wünsch, Org. Biomol. Chem., 2011, 9, 8016-8029: "Exploitation of an additional hydrophobic pocket of σ1 receptors: Late-stage diverse modifications of spirocyclic thiophenes by C–H bond functionalization". DOI:10.139/c1ob06149f

    197. N. Ghavtadze, R. Narayan, B. Wibbeling, E.-U. Würthwein, J. Org. Chem., 2011, ASAP: "3-(Hetero)aryl-4-indolylamino-alpha-tetralones by Diastereoselective Internal Redox Cyclization - An "Azaenamine" Conjugate Addition". DOI:10.1021/jo200896y

    196. K. Banert, F. Köhler, A. Melzer, I. Scharf, G. Rheinwald, T. Rüffer, H. Lang, R. Herges, K. Heß, N. Ghavtadze, E.-U. Würthwein, Chem. - Eur. J., 2011, accepted:"Experimental and Theoretical Characterization of the Aromatization, Epimerization, and Fragmentation Reactions of Bi-2H-azirin-2-yls Prepared from 1,4-Diazidobuta-1,3-dienes".

    195. W. Uhl, M. Claesener, D. Kovert, A. Hepp, E.-U. Würthwein, N., Organometallics, 2011, online: "A Remarkable Chlorine-Methyl Exchange Reaction upon Treatment of Dichloroorgano Compounds, RGaCl2, with the Bulky Alkylithium Derivative LiC(SiMe3)3". DOI:10.1021/om200176y

    194. T. Kleine, R. Fröhlich, B. Wibbeling, E.-U. Würthwein, J. Org. Chem., 2011, 76, 4591-4599: "Cyclization Reactions of 3,4-Diazaheptatrienyl Metal Compounds: Pyridines from an Anionic Analogue of the Fischer Indole Synthesis - Experiment and Theory". DOI:10.1021/om200176y

    193. J. I. Clodt C. Wigbers, R. Reiermann, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem., 2011, 3197-3298: "Synthesis and Aggregation Properties of Two- and Three-armed Nitrogen-rich Chelate Ligands: Novel Bis(N-acylamidines), Tris(N-acylamidines) and Bis(triazapentadienes) with flexible or rigid Spacers". DOI:10.1002/ejoc.201100218

    192. T. Kleine, K. Bergander, R. Fröhlich, B. Wibbeling, E.-U. Würthwein, J. Org. Chem., 2011, 76, 1979-1993: "Ring Closure Reactions of 1,2-Diaza-4,5-benzo-heptatrienyl Metal Compounds: Experiment and Theory". DOI:10.1021/jo.2001534

    191. W. Uhl, E. Hagemeier, M. Layh, B. Rezareirad, J. Kösters, E.-U. Würthwein, N. Ghavtadze, W. Massa, Eur. J. Inorg. Chem., 2011, 1733-1743: "From tert-Butylhydrazine Adducts of AlR3 (R = Me, CMe3) to Oligonuclear AlN Cage Compounds - Evidence for a Hydrazine-Twist across an Al3 Triangle".

    190. C. Wigbers, J. Prigge, Z. Mu, R. Fröhlich, L. Chi, E.-U. Würthwein, Eur. J. Org. Chem., 2011, 114, 861-877: "Synthesis, Structures and Aggregation Properties of N-Acyamidines". DOI:10.1002/ejoc.201001155

    189. K. Banert, B. Meier, E. Penk, B. Saha, E.-U. Würthwein, S. Grimme, T. Rüffer, D. Schaarschmidt, H. Lang, Chem. Eur. J., 2011, 17, 11128-1136: "Reactions of Unsaturated Azides, Part 25. Highly Strained 2,3-Bridged 2H-Azrines at the Borderline of Closed-Shell Molecules". DOI:10.1002/chem.201001474

     2010

    188. N. M. Wichner, N. Ghavtadze, E.-U. Würthwein, H. Koller, J. Phys. Chem. C, 2010, 114, 22590-22596: "Imprinting With Penyl Group Interactions: A Case Study of The Hybrid Sol-Gel Encapsulation of the Complex [Na[Ph2P(O)-CH2-P(O)Ph2]3]+".

    187. A. Banerjee, D. Schepmann, J. Köhler, E.-U. Würthwein, B. Wünsch, Bioorganic & Medical Chemistry, 2010, 18, 7855-7867: "Synthesis and SAR studies of chiral non-racemic dexoxadrol analogues as uncompetitve NMDA receptor antagonists". DOI:10.1016/j.bmc.2010.09.047

    186. W. Uhl, B. Rezaeirad, M. Layh, E. Hagemeier, E.-U. Würthwein, N. Ghavtadze Chem. Eur. J., 2010, 12195 - 12198: "Synthesis of a GaN Cage Compound with a Hydrazinetetraide Fragment, [N-N]4-, Stabalized by Six Gallium Atoms". DOI:10.1002/chem.20100589

    185. W. Uhl, M. Rohling, E.-U. Würthwein, N. Ghavtadze, K. Bergander Organometallics, 2010, 29, 5236-5240: "Facile Synthesis on an unsaturated Spirogermane by Hydroalumination and intromolecular 1,1-Carbalumination".

    184. W. Uhl, A. Hepp, H. Westenberg, S. Zemke, E.-U. Würthwein, J. Hellmann, Organometallics, 2010, 29, 1406 - 1412: "Hydroalumination and Hydrogallation of 1,2-Bis(trimethylsilylethynyl)benzene: Formation of Molecular Capsules and C - C Bond Activation". DOI:10.1021/om901058a

    183. J. I. Clodt, V. D. Hack, R. Fröhlich, E.-U. Würthwein, Synthesis,2010, 1485-1492: "Synthesis of Bis(N-Acylamidines from Amidines and N-Acylbenzotriazoles".

    182. N. Ghavtadze, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem.,2010, 1787 - 1797: "Indole as Neutral Leaving Group in Silver Nitrate Induced Cyclization Reactions of N-[(2-(Alkynyl(hetero)aryl)methylene]indolin-1-amines for the Synthesis of Annulated Pyridine Derivatives".

    181. L. I. Goryunov, J. Grobe, D. Le Van, V. D. Shteingarts, R. Mews, E. Lork, E.-U. Würthwein, Eur. J. Org. Chem., 2009, 45, 1859 - 1861: "Di- and Trifluorobenzenes in Reactions with Me2EM (E = P, N; M = SiMe3, SnMe3, Li) Reagents: Evidence for the Concerted Mechanism of Aromatic Nucleophilic Substitution".

    2009 

    180 L. I. Goryunov, J. Grobe, V. D. Shteingarts, R. Mews, E.-U. Würthwein, Russ. J. Org. Chem., 45, 2009, 1859 - 1861: "Reaction of Chlorpentafluorbenzene and 2,3- and 2,6-Difluorobromobenzene with Lithium Dimethylphosphide".

    179. S. Herzog, G. Buehrdel, R. Beckert, S. Klimas, E.-U. Würthwein, S. Grimme, H. Görls, Synthesis2009, 4049-4057: "A New Access to Ring-Fused Pyrazines: Imidazo[4,5-b]Quinoxalines by a Simple Oxidation-Annulation Sequence".

    178. K. Michel, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem.2009, 5653-5665: "Diastereo- and Enantioselective Synthesis of Functionalized β-Lactams from Oxiranyl Carbaldimines and Lithium Ester Enolates".

    177. S. Janich, R. Fröhlich, A. Wakamiya, S. Yamaguchi, E.-U. Würthwein, Chem. Eur. J.2009, 15, 10457-10463: "Tetraaryl-tetradecahydroporphyrazins: Novel Porphyrin Derivatives Featuring a Cyclic Benzene Ring Tetramer".

    176. W. Uhl, E. Er, A. Hepp, J. Kösters, M. Layh, M. Rohling, A. Vinogradov, E.-U. Würthwein, N. Ghavtadze, J. Inorg. Chem., Eur. J. Inorg. Chem. 2009, 3307-3316: "Treatment of Terminal Alkynes R-C≡C-H with Dialkylaluminum Hydrides: Hydroalumination versus Deprotonation".

    175. N. Ghavtadze, R. Fröhlich, E.-U. Würthwein, J. Org. Chem., 2009, 74 (12), 4584-4591 : "Acid Mediated Electrocyclic Domino Transformations of 5,5-Disubstituted 1-Amino-1-azapenta-1,4-dien-3-ones into Dihydrospiroindenepyrazole and Dihydroindenodiazepine Derivatives".

    174. I. Häger, R. Fröhlich, E.-U. Würthwein, Eur. J. Inorg. Chem. 2009, 2415-2428: "Unsaturated Heterochains, XVII. Synthesis of Secondary, Tertiary and Quaternary 1,3,5-Triazapenta-1,3-dienes and their Co(II), Zn(II), Pd(II), Cu(II) and BF2 Coordination Compounds".

    173. M. Sajitz, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem. 2009, 2342-2353: "1,7-Electrocyclization Reactions of 2-Aza-4,5-benzoheptatrienyl- and 4-Aza-6,7-benzo-nonatetraenyllithium Compounds: Synthesis of novel 2-Benzazepines and Benzocyclooctenylamines".

    172. S. Janich, R. Fröhlich, A. Wilken, J. von Zamory, A. Wakamiya, S. Yamaguchi, E.-U. Würthwein, Eur. J. Org. Chem. 2009, 2077-2087: "Unsaturated Heterochains, XVIII. 3,4-Dihydro-3H-pyrrol-2-imines as Conformat¬ionally Restrained 1,3-Diazabutadienes: Synthesis, Structural Properties and Protonation".

    171. M. Beyer, I. Ferse, D. Mulac, E.-U. Würthwein H.-U. Humpf, J. Agricult. Food Chemistry 2009, 57, 1867-1875: "The degradation of T-2 toxin under typical food processing conditions: Structural elucidation and analysis of thermal degradation products".

    170. N. Ghavtadze, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem, 2009, 1228-1240: "Cyclization Reactions of 1-Amino-5-trifluoromethyl-5-thienyl-1-aza-penta-1,4-dien-3-ones under Superelectrophilic Conditions - Synthesis of Novel Benzothiophenols, Cyclopentenols, and Dihydrodiazepinols".

    169. W. Uhl, T. Abel, A. Hepp, T. Nilges, F. Rogel, E.-U. Würthwein, N. Ghavtadze, Inorganic Chemistry, 2009, 48, 752 - 759: "The unique Decomposition Behaviour of the dimeric Dialkylaluminium Hydrazide [(Me3C)2Al-N(H)-N(H)-Me]2 – Butane versus Ammonia Elimination".

     2008

    168. W. Uhl, H. R. Bock, M. Claesener, M. Layh, E.-U. Würthwein, Chem. Eur. J., 2008, 11557 - 11564: "cis/trans-Isomerism of Hydroalumination and Hydrogallation Products - Reflections on Stability and Rearrangement Mechanism".

    167. R. Holl, M. Dykstra, M. Schneiders, R. Fröhlich, M. Kitamura, E.-U. Würthwein, B. Wünsch, Austr. J. Chem., 2008, 61, 914 - 919: “Multivalent 1-Oxa-3,5,7-triazahepta-1,3,5-trienes: Synthesis, Structural Properties and Metal Coordination”.

    166. J.-B. Greving, H. Behrens, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem., 2008, 5740 - 5754: “Multivalent 1-Oxa-3,5,7-triazahepta-1,3,5-trienes: Synthesis, Structural Properties and Metal Coordination”.

    165. E.-U. Würthwein, D. Hoppe, J. Org. Chem., 2008, 9055 - 9060: „Enantiotopos-Differentiating (-)-Sparteine-Mediated γ-Deprotonation of 1-Alkenyl Carbamates. DFT Calculations Verify the Observed Stereoselectivity”.

    164. N. Ghavtadze, R. Fröhlich, K. Bergander, E.-U. Würthwein, Synthesis 2008, 3397 - 3406: “Superelectrophilic Intermediates in the Synthesis of Novel Indenole Derivatives via 1,5-Cyclization Reactions of 5-Aryl-1-aza-1,4-dien-3-ones.”

    163. M. Matschke, R. Beckert, E.-U. Würthwein, H. Görls, Synlett, 2008, 2633- 2636: “The Synthesis of Triazadibenzo[cd,g]azulenes: How to Connect Four Different Rings in Just One Step?

    162. N. Ghavtadze, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem, 2008, 3656-3667: ”2H-Pyrrole Derivatives from an Aza-Nazarov-Reaction Cascade Involving Indole as Neutral Leaving Group.”

    161. J. Grobe, K. Lütke-Brochtrup, B. Krebs, M. Läge, H.-H. Niemeyer, E.-U. Würthwein, Chemistry of Sustainable Development 2008, 16, 41-51: „Electron-Rich Noble Metal Complexes of Tripod Phosphane Ligands with Boron or Fluorosilicon Acceptor Centres“.

    160. T. Schläger, D. Schepmann, E.-U. Würthwein, B. Wünsch, Bio­organic and Medicinal Chem., 2008, 16, 2992-3001: „Synthesis and Receptor Affinity-Relationship of Novel Spirocyclic  Receptor Ligands with Furopyrazole Structure”.

    2007

    159. V. Lyaskovskyy, E.-U. Würthwein, Synlett 2007, 2733-2737: “Electrocyclization Reactions of Annulated 1,2-Diazahepta-2,4-dien-6-ynyl Anions”.

    158. E. A. Marihart, J.-B. Greving, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem. 2007, 5071-5081, DOI: 10.1002/ejoc.200700469: “5-Imino-4,5-dihydro-3H-pyrrol-2-ylamines as Sterically Restrained 1,3,5-Triazapenta-1,3-dienes: Useful Building Blocks for the Synthesis of Oligonitriles”.

    157. V. Lyaskovskyy, R. Fröhlich, E.-U. Würthwein, Synthesis 2007, 2135-2144: “Aminobenzoannulated Hetero- and Carbocycles from 2-Aza-hepta-2,4-dien-6-ynyl Lithium Compounds. Scope and Limitation of a Novel Benzoannulation Reaction”.

    156. V. Lyaskovskyy, K. Bergander, R. Fröhlich, E.-U. Würthwein, Org. Lett. 2007, 9, 1049-1052: “Novel Synthesis of Azepine Derivatives via Copper Mediated Cyclization of 2-Aza-hepta-2,4-dien-6-ynyl Anions. Intramolecular Addition of Organocopper Centers to the CC-triple Bond”.

    155. V. Lyaskovsky, R. Fröhlich, E.-U. Würthwein, Chem. Eur. J. 2007, 3113-3119: “Mechanistic Study on Rearrangement Cascades starting from Annulated 2-Aza-hepta-2,4-dienyl-6-ynyl Anions: Formation of Aniline and Azepine Derivatives".

    154. J. Grobe, K. Lütke-Brochtrup, B. Krebs, M. Läge, H.-H. Niemeyer, E.-U. Würthwein, Z. Naturforsch. 2007, 62b, 55-65: „Alternativ-Liganden XXXVIII. Neue Versuche zur Synthese von Pd(0) and Pt(0)-Komplexen des Tripod-Phos­phan­liganden FSi(CH2CH2PMe2)3“.

    2006

    153. J. Dieker, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem. 2006, 5339-5356: „Substituted 3-Hydroxy-pyrroles from 1-Azapenta-1,4-dien-3-ones: The Aza-Nazarov Reaction – Synthesis and Quantum Chemical Calculations”.

    152. K. Banert, S. Grimme, R. Herges, K. Heß, F. Köhler, C. Mück-Lichtenfeld, E.-U. Würthwein, Chem. Eur. J. 2006, 7467-7481: “Experimental and Theoretical Characterization of the Valence Isomerization of Bi-2H-azirin-2-yls to Diazabenzenes”.

    151. J. Grobe, K. Lütke-Brochtrup, B. Krebs, M. Läge, H.-H. Niemeyer, E.-U. Würthwein, Z. Naturforsch. 2006, 61b, 882-895: „Alternativ-Liganden XXXVII. Phos­phan­liganden mit Bor als Lewis-acidem Zentrum: Synthese und Koordinationseigenschaften“.

    150. N. Heße, R. Fröhlich, B. Wibbeling, E.-U. Würthwein, Eur. J. Org. Chem. 2006, 3923-3937: “1,3,5-Triazapenta-1,3-dienes: Useful Building Blocks for the Synthesis of 1,2-Dihydro-1,3,5-triazines and Oligonitriles”.

    149. M. Sajitz, R. Fröhlich, K. Salorinne, E.-U. Würthwein, Synthesis 2006, 2183-2190: „Electrocyclization Reactions of Benzannelated 2-Azaheptatrienyl- and 4-Azanonatetraenyl-Lithium Compounds: Synthesis of N-Acylated 2,3-Dihydro-1H-benzo[c]azepines and (5,6-Dihydro-benzocycloocten-5-yl)amines“.

    148. J. Grobe, A. Karst, B. Krebs, M. Läge, E.-U. Würthwein, Z. Anorg. Allg. Chem. 2006, 599-608: „Cycloarsanes (AsCF3)n (n = 4,5) – precursors for the highly reactive diarsene F3CAs=AsCF3“.

    147. S. Grimme, C. Mück-Lichtenfeld, E.-U. Würthwein, A. W. Ehlers, T. P. M. Goumans, K. Lammertsma, J. Phys. Chem. A 2006, 2583-2586: “Consistent Theoretical Description of 1,3-Dipolar Cycloaddition Reactions“.

    146. K. Dreger, L. Zhang, H.-J. Galla, H. Fuchs, L. Chi, E.-U. Würthwein, H. J. Schäfer, Langmuir 2006, 22, 1586-1594: “Influence of an Amide Group in Methyl Octadecanoates on the Monolayer Stability“.

    2005

    145. H. Behrens, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem. 2005, 3891-3899: “Pyridine based Oligonitriles as Pincer Ligands for Palladium(II), Copper(II), Cobalt(II), and Nickel(II) Ions”.

    144. T. Albers, J. Grobe, D. Le Van, A. H. Maulitz, E.-U. Würthwein, Heteroatom Chem. 2005, 16, 406-419: „Reactive E=C(p-p)π-Systems 53: Reactivity Studies on Perfluoro-2-arsapropene: [2+2]-Cycloaddition Reactions and Quantum Chemical Calculations”.

    143. J. L. Bilke, M. Dzuganova, R. Fröhlich, E.-U. Würthwein, Org. Lett. 2005, 7, 3267-3270: “Diastereoselective One-Step-Synthesis of Functionalized cis-Aziridinyl Alcoholes from trans-Oxiranyl Carbaldimines".

    142. N. Heße, R. Fröhlich, I. Humelnicu, E.-U. Würthwein, Eur. J. Inorg. Chem, 2005, 2189-2197: “1,3,5-Triazapentadienes as Chelating Ligands: 1,2,4-Triphenyl-1,3,5-triaza­penta­diene Complexes of Cobalt(II), Nickel(II), Palladium(II), Copper(II) and Zinc(II)”.

    141. T. Albers, J. Grobe, A. H. Maulitz, E.-U. Würthwein, Z. Anorg. Allg. Chem. 2005, 31, 1430-1438: „Reactive E=C(p-p)π-Systems 54: „Reaktionen des Perfluor-2-arsapropens, F3CAs=CF2, mit H-aciden Verbindungen Me2EH (E = N, P, As) and MeE´H (E´= O, S, Se)“.

    140. E.-U. Würthwein, D. Hoppe, J. Org. Chem. 2005, 70, 4443-4451: „Enantioselective Deprotonation of O-Alkyl and O-Alk-2-enyl Carbamates in the Presence of (-)-Sparteine and (-)-α-Isosparteine. A Theoretical Study”.

    139. G. Becker, H. Brombach, S. T. Horner, E. Niecke, W. Schwarz, R. Streubel, E.-U. Würthwein, Inorg. Chem. 2005, 44, 3080-3086: „Synthesis and Structure of K+[iPrN=C=P]-, a 1-Aza-3λ3-phospha-3-allenide”.

    138. J. K. Eberhardt, T. Glaser, R.-D. Hoffmann, R. Fröhlich, E.-U. Würthwein, Eur. J. Inorg. Chem. 2005, 1175-1181: “A Tetranuclear Hydroxo-Bridged Copper(II) Complex with primary N-Acylamidines as Ligands: Preparation, Structural and Magnetic Characterization”.

    2004

    137. T. P. M. Goumans, A. W. Ehlers, K. Lammertsma, E.-U. Würthwein, S. Grimme, Chem. Eur. J. 2004, 6468-6475: “Improved Reaction and Activation Energies of [4+2] Cycloadditions, [3+3] Sigmatropic Rearrangements and Electrocyclizations with the Spin-Component-Scaled MP2 Method”.

    136. P. Sagar, R. Fröhlich, E.-U. Würthwein, Angew. Chem. 2004, 116, 5812-5815; Angew. Chem. Int. Ed. Engl. 2004, 43, 5694-5967: “A Versatile Aminobenzannu­lation Method Based on the Deprotonation of 2-(1-Alkynyl)-benzaldimines and Similar 2-Aza-2,4-heptadienyl-6-ynes: A Multistep Rearrangement Cascade”.

    135. K. Gerdes, P. Sagar, R. Fröhlich, B. Wibbeling, E.-U. Würthwein, Eur. J. Org. Chem. 2004, 3465-3476: “4,5-3H-Dihydrobenzo[c]azepines from 1,7-electrocyclization reactions of 2-aza-4,5-benzo-heptatrienyl Lithium Compounds”.

    134. N. Habersaat, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem. 2004, 2567-2581: „4H-Imidazoles and Imidazoles from anionic and dipolar electrocyclization reactions of 2,4-diazapenta-1,3-dienes“.

    2003

    133. G. Becker, G. Ditten, S. Horner, A. H. Maulitz, E.-U. Würthwein: “Differing Affinities of the Triorganylsilyl and –stannyl Substituents for Oxygen or Nitrogen, and Phosphorus, Respectively,” in Organosilicon Chemistry V – From Molecules to Materials (Herausgeber: N. Auner, J. Weis), Wiley-VCH Weinheim, 2003, 307-311.

    132. J. K. Eberhardt, R. Fröhlich, E.-U. Würthwein, J. Org. Chem, 2003, 68, 6690-6694: „N-Acylamidine Palladium(II) Complexes: Synthesis, Structures and Catalytic Activity for Suzuki-Miyaura Cross-Coupling Reactions – Experiments and DFT Calculations”.

    131. T. P. M. Goumans, A. W. Ehlers, K. Lammertsma, E.-U. Würthwein, Eur. J. Org. Chem. 2003, 2941-2946: „endo/exo Preferences for Double Bonds in Three-Membered Rings Including Phosphorus Compounds“.

    130. G. Erker, S. Grimme, G. Haufe, D. Hoppe, H. Redlich, E.-U. Würthwein, Forschungsjournal Universität Münster, 2003, 12, Heft Juni, 34-40: „Chiralität in der Chemie – Links- oder rechtsherum“.

    129. C. Möllers, J. Prigge, B. Wibbeling, R. Fröhlich, A. Brockmeyer, H. J. Schäfer, E. Schmälzlin, C. Bräuchle, K. Meerholz, E.-U. Würthwein, Eur. J. Org. Chem. 2003, 1198-1208: “Polyamino-Substituted 1-Oxa-3,5-diazahexatrienes and 1-Oxa-3,5,7-triazaocta­tetraenes (N-Acyl-oligocyanamides): Synthesis, Structures, Cyclovoltammetry and NLO-Properties – Experiment and Theory“.

    2002

    128. F. E. Hahn, D. Le Van, L. Wittenbecher, M. C. Moyes, T. von Fehren, R. Fröhlich, E.-U. Würthwein, Phosphorus, Sulfur and Silicon, 2002, 177, 1863-1867: „Novel 1,2,4-Triphosphole, 1,2,3-Triphosphetene and Azaphospholene Derivatives from N-Heterocyclic Carbenes and Phosphaalkynes“.

    127. E.-U. Würthwein, T. Hergenröther, H. Quast, Eur. J. Org. Chem. 2002, 1759-1755: „Exo/endo Preferences of Double Bonds in Three-membered Ring Compounds.- The Bias Toward Endocyclic Unsaturation in 3-Alkyl- and 3-Amino-2H-azirines: A Theoretical and Experimental Study“.

    126. E.-U. Würthwein, G. Lang, L. H. Schappele, H. Mayr, J. Am. Chem. Soc. 2002, 124, 4084-4092: „Rate-Equilibrium-Relationships in Hydride Transfer Reactions: The Role of Intrinsic Barriers“.

    125. D. Alickmann, R. Fröhlich, A. H. Maulitz, E.-U. Würthwein, Eur. J. Org. Chem. 2002, 1523-1537: “Electrocyclization Reactions of 1-Aza-and 1-Oxa-pentadienyl- and hepta­trienyl Cations: Synthesis of Pyrrole and Furan Derivatives”.

    2001

    124. F. E. Hahn, D. Le Van, M. C. Moyes, T. von Fehren, E.-U. Würthwein, Angew. Chem., 2001, 113, 3241-3244; Angew. Chem. Int. Ed. 2001, 40, 3144-3148: “Ungewöhnliche Bildung eines Azaphospholens aus 1,3,4,5-Tetramethylimidazol-2-yliden und Diisopropyl­aminophosphaalkin”.

    123. T. Ernet, A. H. Maulitz, E.-U. Würthwein, G. Haufe, J. C. S. Perkin 1, 2001, 1929-1938: “Chemical Consequences of Fluorine Substitution. Part 1. Experimental and Theoretical Results on Diels-Alder Reactions of - and -Fluorostyrenes”.

    122. P. Vossmann, K. Hornig, R. Fröhlich, E.-U. Würthwein, Synthesis, 2001, 1415-1426: “Asymmetric Addition of Aldehydes and Ketones to Chiral 2-Azapentadienyl Lithium Compounds: Diastereoselective Synthesis of 4-Vinyl-4,5-dihydro-oxazoles”.

    121. D. Alickmann, R. Fröhlich, E.-U. Würthwein, Org. Letters, 2001, 3, 1527-1530: “Base Induced Heterochiral Dimerization of an Oxiranyl Carbaldimine: Stereoselective Synthesis of a Highly Functionalized Aziridine”.

    120. J. Grobe, A. Armbrecht, D. Le Van, B. Krebs, J. Kuchinke, M. Läge, E.-U. Würthwein, Z. Anorg. Allg. Chem. 2001, 627, 1241-1247: “Reactive E=C(p-p)π-Systems, 51. [3+2] Cycloaddition of Diazomethane Derivatives to Perfluoro-2-phosphapropene”.

    119. O. Maier, R. Fröhlich, E.-U. Würthwein, Eur. J. Org. Chem. 2001, 83-92: “Unsaturated Hetero Chains, X, Polydonor substituted 1-Oxa- and 1-Thia-3,5-diazahexa­trienes: Synthesis, Structures, Ring-Chain Tautomerism and Theoretical Calculations”.

    2000

    118. L. I. Goryunov, J. Grobe, V. D. Shteingarts, B. Krebs, A. Lindemann, E.-U. Würthwein, C. Mück-Lichtenfeld, Chem. Eur. J., 2000, 4612-4622: “Trimethylsilyl- and Trimethylstannyl-dimethylphosphane – Convenient and Versatile Reagents for the Synthesis of Polyfluoroaryl-dimethylphosphanes.”

    117. K. Kunz, J. Pflug, A. Bertuleit, R. Fröhlich, E. Wegelius, G. Erker, E.-U. Würthwein, Organometallics, 2000, 19, 4208-4216: “Oligomeric Chain Structures of Substituted (Dialkyl­­amino­methyl)cyclopentadienyllithium Compounds: Structural Variations Characterized by Different Involvement of the Internal Amino Donor Ligands in the Solid State.”

    116. J. K. Eberhardt, R. Fröhlich, S. Venne-Dunker, E.-U. Würthwein, Eur. J. Inorg. Chem. 2000, 1739-1743: “Unsaturated Hetero Chains, IX, 1:1- and 2:1-Copper(II) Complexes from primary N-Acylamidines.”

    115. G. M. Böttger, E.-U. Würthwein, Eur. J. Org. Chem. 2000, 1589-1593: „Electrophilic Reactivity of a 2-Azaallenium Ion and of a 2-Azaallylium Ion".

    1999

    114. G. Erker, R. Hock, S. Wilker, C. Laurent, C. Puke, E.-U. Würthwein, N. C. Aust, R. Fröhlich, Phosphorus, Sulfur and rel. Elements, 1999, 153-154, 79-97: "New Aspects of the Thio-Wittig-Reaction“.

    113. G. Becker, U. Hübler, W. Schwarz, E.-U. Würthwein, Z. Anorg. Allgem. Chem. 1999, 625, 2008-2024: "Acyl- und Alkylidenphosphane. XXXV. Bis[N-(trimethylsilyl)imino­benzoyl]­phosphanide des Lithiums und Zinks - Synthese, NMR-spektroskopische sowie quantenchemische Untersuchungen und Struktur".

    112. E.-U. Würthwein, K. Behrens, D. Hoppe, Chem. Eur. J. 1999. 5, 3459-3463: "Enantioselective Deprotonation of Alkyl Carbamates by Means of (R,R)-1,2-Bis(N,N-dimethyl­amino)­cyclohexane/sec-Butyllithium - Theory and Experiment".

    111. N. C. Aust, A. Beckmann, R. Deters, R,. Krämer, L. Terfloth, S. Warzeska, E.-U. Würthwein, Eur. J. Inorg. Chem. 1999, 1189-1192: "Unsaturated Hetero Chains, VIII. First Metal Complexes of Oligonitrile Ligands: Palladium(II) Complexes of N-Methoxycarbonyl- and N-Thiobenzoyl-1,3,5-7-tetraazaoctatetraenes".

    1998

    110. J. Mattay, B. Schlummer, E.-U. Würthwein, in D. Wöhrle, M.W. Tausch, W.-D. Stohrer, Photochemie, Wiley-VCH, Weinheim 1998, S. 365-367 “Käfigeffekt von Micellen, Norrish-Typ I-Reaktion, -Spaltung von 4-Methyldibenzylketon“; S. 367 “-H-Abstraktion und Yang-Cyclisierung, Photolyse von 2,4-Dimethylpivalophenon“; S. 411-412 “Bildung von Ascaridol aus -Terpinen und Singulett-Sauerstoff“.

    109. C. Puke, G. Erker, N. Aust, E.-U. Würthwein, R. Fröhlich, J. Am. Chem. Soc. 1998, 120, 4863-4864: "Evidence for a Continuous Transition between Thiaphosphetane and Betaine-Type Structures in the Thio-Wittig-Reaction".

    108. A. Krol, R. Fröhlich, E.-U. Würthwein, Chem. Commun. 1998, 485-486: " First X-Ray Diffraction and NMR-spectroscopic Analysis of a lithiated 1,2-Diazapentadiene".

    1997

    107. H. Mayr, A. R. Ofial, E.-U. Würthwein, N. C. Aust, J.Am.Chem.Soc. 1997, 119, 12727-12733: "NMR Spectroscopic Evidence for the Structure of Iminium Ion Pairs".

    106. M. F. Nielsen, B. Batanero, T. Löhl, H. J. Schäfer, E.-U. Würthwein, R. Fröhlich, Chem. Eur. J. 1997, 3, 2011:" Enantioselective Cathodic Reduction of 4-Methylcoumarin: Dependence of Selectivity on Reaction Conditions and Investigation of the Mechanism".

    105. M. Könemann, G. Erker, R. Fröhlich, E.-U. Würthwein, J. Am. Chem .Soc. 1997, 119, 11155-11164: "Structure and Chemical Behavior of an 5-(1-Azapentadienyl)lithium Derivative Generated by Deprotonation Reactions Starting from 9-(N-tert-Butyl­aminomethyl)flu­orene or 6-(tert-Butylamino)dibenzofulvene".

    104. G. Böttger, A. Geisler , R. Fröhlich, E.-U. Würthwein, J. Org. Chem. 1997, 62, 6407-6411: "Trifluoromethanesulfonic Anhydride Induced Cleavage of Bisiminomethane Compounds: A new Access to 1,3-Diaryl-2-azaallenium Triflates and N-Trifluoro­methyl­sulfonylimines - Synthesis, Structures and Quantum Chemical Calculations“.

    103. A. Beckmann, R. Fröhlich, E.-U. Würthwein, Tetrahedron Letters 1997, 38, 5481-5484: "Unsaturated Hetero Chains VII. The Synthesis of 1-Thioacyl-oligonitriles".

    102. N. C. Aust, R. Fröhlich, J. Hecht, E.-U. Würthwein, Liebigs Ann./Recueil 1997, 1593-1602: "Unsaturated Hetero Chains. VI. -Alkoxy- and -Amino-substituted Oligo­nitriles - Synthesis, Structures and Reactivity".

    101. A. Monsees, S. Laschat, S. Kotila, T. Fox, E.-U. Würthwein, Liebigs Ann./ Recueil, 1997, 533-540: "Diastereoselective Synthesis of 1-Hydroxy-Substituted Benzo[b]quin­olidines and 11-Hydroxy-Substituted Azepino-[1,2-b]isoquinolines via Hetero-Ene Cyc­lization".

    100. J. Grobe, D. Le Van, B. Broschk, M. Hegemann, B. Lüth, G. Becker, M. Böhringer, E.-U. Würthwein, J. Organomet. Chem. 1997, 529, 177-187: "Synthesis, Structure and Isomerization of Fluorine Containing 1,2-Dihydro-1,3-diphosphetes“.

    99. I. Schlachter, J. Mattay, J. Suer, U. Höweler, G. Würthwein, E.-U. Würthwein, Tetrahedron 1997, 53, 119-132: "Combined Quantumchemical and MM-Approach to the endo/exo-Selecti­vity of Diels-Alder-Reactions in Polar Media".

    1996

    98. S. Klötgen, R. Fröhlich, E.-U. Würthwein, Tetrahedron 1996, 52, 14801-14812: "1,7-Electrocyclisation Reactions of 2-Aza-heptatrienyl lithium Compounds: Synthesis of 2,3-Dihydroazepines".

    97. H. Stakemeier, E.-U. Würthwein, Liebigs Ann. Chem. 1996, 1833-1843: "Asymmetric Alkylation of chiral 2-Azapentadienyl Metal Compounds: Diastereoselective Synthesis of alkyl substituted N-Allylimines (2-Azapentadienes-1.4)“.

    96. R. H. Janke, G. Haufe, E.-U. Würthwein, J. H. Borkent, J.Am.Chem.Soc. 1996, 118, 6031-6035: "Racemization Barriers of Helicenes: A Computational Study“.

    95. N. Schulte, R.  Fröhlich, J. Hecht, E.-U. Würthwein, Liebigs Ann. Chem. 1996, 371-380: "Unsaturated Hetero Chains, V. Synthesis, Structure and Reactivity of Alkoxy-substituted 2,4-Di­aza­pentadienylium-, 2,4,6-Triazaheptatrienylium- and 2,4,6,8-Tetraazanonatetraenylium Salts“.

    94. H. Quast, S. Aldenkortt, B. Freudenreich, P. Schäfer, E.-M. Peters, K. Peters, H.G. von Schnering, E.-U. Würthwein, Liebigs Ann. Chem. 1996, 87-98: "Ring Opening Reactions of Imi­no­aziridines and Aminoazirinium Ions. Is Electrocyclic Ring Opening of 2H-Azirinium Ions a Myth ?"

    1995

    93. H. Quast, S. Aldenkort, P. Schäfer, E. Schmitt, E.-U. Würthwein, Liebigs Ann. Chem. 1995, 2171-2188: "Synthesis and Thermal Reorganisation of Iminoaziridines. Ab Initio Calculations of Their Transition States, of Diazatrimethylenemethanes, and Some Cyclic Members of the C2H4N2 Potential Energy Hypersurface“

    92. M. Könemann, G. Erker, M. Grehl, R. Fröhlich, E.-U. Würthwein, J.Am.Chem. Soc. 1995, 117, 11215-11219: "Cyclotetrameric Supersandwich Structure of a Structurally Confined C1-bridged Dilithiobis(cyclopentadienide) - a Case of Supramolecular LiCp-association“.

    91. S. Klötgen, E.-U. Würthwein, Tetrahedron Lett. 1995, 36, 7085-7068: "1,7-Electrocyclisations of 4-Azaheptatrienyl Lithium Compounds to 4,5-Dihydroazepines“.

    90. G. Erker, M. Riedel, S. Koch, K. Jödicke, E.-U. Würthwein, J. Org. Chem. 1995, 60, 5284-5290: "Preparation of Stable Primary Enamines: 1-Aminobutadienes by Allyl Grignard Addition to Aryl Cyanides Followed by Controlled Hydrolysis“.

    89. R. Gertzmann, R. Fröhlich, M. Grehl, E.-U. Würthwein, Tetrahedron 1995, 51, 9031-9044: "Metallated Ketenimines: Quinazoline Derivatives from Base Induced Dimerisation of N-Phenyldiethylketenimine - An Experimental and Theoretical Study“.

    88. W. Grahn, H.-H. Johannes, J. Rheinheimer, B. Knieriem, E.-U. Würthwein, Liebigs Ann.Chem. 1995, 1003-1009: "Halogenated Indocyanines: Synthesis, Conformational Behavior, and Light Absorption“.

    87. J.-P. Moldenhauer, M. H. Möller, U. Rodewald, E.-U. Würthwein, Liebigs Ann.Chem. 1995, 1015-1025: "Unsaturated Heterochains, IV. Synthesis, Structure and Protonation of 1-Oxa-3-azahexatrienes".

    86. R. Gertzmann, M.H. Möller, U. Rodewald, R. Fröhlich, M. Grehl, E.-U. Würthwein, Tetrahedron 1995, 51, 3767-3786: "Metallated Ketenimines: Deprotonation of N-Isopropyl-diphenylke­ten­imine and Subsequent Trapping Reactions with Electrophiles. A Theoretical and Experimental Study".

    1994

    85. M. Buhmann, M.H. Möller, U. Rodewald, E.-U. Würthwein, Angew.Chem. 1994, 106, 2386-2389; Angew.Chem.Int.Ed.Engl. 1994, 33, 2337-2339: "Ein 1-Oxa-3,5,7,9-tetraaza-decapenta­en, ein Modell-Oligonitril mit Helixstruktur im kristallinen Zustand".

    84. G. Maas, R. Rahm, M. Schletz, E.-U. Würthwein, J.Org.Chem. 1994, 59, 6862-6864: "Vinylogous Formylation of Aromatics with 3-Trifloxypropeneiminium Triflates".

    83. R. Schleimer, E.-U. Würthwein, Chem.Ber. 1994, 127, 1437-1440: "2,6-Disubstituted 4-Aminopyri­dines from 1,3-Dialkoxy-2-aza-propenylium Salts and N-Methyl-4-piperidone Enamines".

    82. N. Schulte, M. H. Möller, U. Rodewald, E.-U. Würthwein, Chem.Ber. 1994, 127, 1287-1293: "N,N-Bis(trimethylsilyl)ynamines: Cycloaddition Reactions with Dimethyl Acetylenedi­carbox­ylate and Ketenes“.

    81. E.-U. Würthwein, J.Prakt.Chem./Chem.Ztg. 1994, 336, 393-394: "2-Azapropenylium-Salze: Darstellung, Struktur und Reaktionen".

    80. K. Banert, M. Hagedorn, E. Knözinger, A. Becker, E.-U. Würthwein, J.Am.Chem.Soc., 1994, 116, 60-62: "Direct Observation of 2-Methylene-2H-azirine“.

    79. A. Geisler, E.-U. Würthwein, Tetrahedron Lett. 1994, 35, 77-80: "Diels-Alder- and Ene Reactions of 2-Azaaallenium Salts“.

    1993

    78. G. Erker, R. Pfaff, D. Kowalski, E.-U. Würthwein, C. Krüger, R. Goddard, J.Org.Chem. 1993, 58, 6771-6778: "Formation and Structure of a Stable, Isolable Conjugated Primary Enamine“.

    77. C. Lambert, P. v. R. Schleyer, E.-U. Würthwein, J.Org.Chem. 1993, 58, 6377-6389: "Experi­mental and Theoretical Investigations on the Structure and Reactivity of -Lithiome­thoxyallene and its Grignard Analogue“.

    76. M. Buhmann, M. H. Möller, U. Rodewald, E.-U. Würthwein, Chem.Ber. 1993, 126, 2467-2476: "Un­sa­turated Hetero Chains II. 1-Oxa-3,5,7-triaza-1,3,5,7-octatetraenes - Syntheses and Structures“.

    75. W. Funke, K. Hornig, M. H. Möller, E.-U. Würthwein, Chem.Ber. 1993, 126, 2069-2077: "Alkoxy-substituted N-Acyliminium Salts - Synthesis, Structure, Reactivity“.

    74. S. Wegmann, E.-U. Würthwein, Tetrahedron Lett. 1993, 34, 307-310: "Cyclic and Acyclic Products from the Addition of 1-Aza-Allyl Anions to Dienes and ,ß-Unsatur­ated Ketones - Regioselectivity“.

    73. M. Buhmann, M. H. Möller, E.-U. Würthwein, Chem.Ber. 1993, 126, 957-967: "Dar­stellung und Struktur von 1-Oxa-3,5-diazahexatrienen. Die 1-Oxa-3,5-diaza-hexatrien-6H-1,3,5-Oxadiazin-Tautomerie".

    72. R. Schleimer, K. Hornig, M. H. Möller, E.-U. Würthwein, Chem. Ber. 1993, 126, 133-141: "3-Aza-bicyclische Ketone durch Umsetzungen von 1,3-Dialkoxy-2-aza-propenylium-Salzen mit Enaminen cyclischer Ketone".

    1992

    71. R. Kupfer, S. Meier, E.-U. Würthwein, Chem.Ber. 1992, 125, 2487-2492: "1,1,3,3-Tetraal­koxy-2-aza-allylium-Salze: Darstellung und stereochemische Eigen­schaften“.

    70. W. Funke, E.-U. Würthwein, Chem.Ber. 1992, 125, 1967: "1,3-Diethoxy-2-aza-in­denylium-hexachloroantimonat - ein destabilisier­tes, cyclisches 1,3-Dialkoxy-2-aza-allyl­kation".

    69. W. P.  Fehlhammer, A. Schröder, J. Fuchs, E.-U. Würthwein, Angew.Chem. 1992, 104, 604: " "Tetraferrioazaallenium"-Produkt einer neuartigen Reaktion des koor­dinierten CN-“.

    68. H. Quast, H. Leybach, E.-U. Würthwein, Chem.Ber. 1992, 125, 1249: "Thermi­sche Re­organisation und Cycloaddition eines chiralen, nicht-racemischen Aziridinons (ß-Lactams), sowie ab initio-Berechnungen zur C2H3NO-Energiehyper­fläche“.

    1991

    67. W. Tochtermann, C. Vogt, E.-M. Peters, K. Peters, H. G. v. Schne­ring, E.-U. Würthwein, Chem.Ber. 1991, 124, 2577: "Die regiosel­ektive Thermolyse von Oligomethylenoxaquadri­cyclandicarbonsäure­estern zu 3,6-Alkanoxepin-dicarbonsäure­estern - Röntgenstruktur­analysen und Semiempirische Rechnungen“.

    66. C. Unger, R. Zimmer, H.-U. Reißig, E.-U. Würthwein, Chem.Ber. 1991, 124, 2279: "Deprotonation of 5-Methylene-4H-1,2-oxazines and Regioselektive Reactions with Elektrophiles“.

    65. F. Baumann, E.-U. Würthwein, Tetrahedron Lett. 1991, 32, 4683: "Reactions of 1-Aza-pentadienyl Anions with Michael Acceptors: Regiochemistry“.

    64. G. Wolf, E.-U. Würthwein, Chem.Ber. 1991, 124, 889: "Zur Struktur von 1-Aza-pentadienyl-lithium-Verbindungen“.

    63. G. Wolf, E.-U. Würthwein, Chem.Ber. 1991, 124, 655: "Zur Struktur von 2-Aza-pentadienyl-lithium-Verbindungen“.

    1990

    62. S. Meier, E.-U. Würthwein, Chem.Ber. 1990, 123, 2339: "Acylierung von N-Trimethylsilyl-keteniminen: N-Acylketenimine und -Cyanoketone“.

    1989

    61. R. Weigmann, E.-U. Würthwein, Tetrahedron Lett. 1989, 30, 6147: "N,N-Bis­(tri­methylsilyl)ynamines".

    60. G. Maas, E.-U. Würthwein, B. Singer, D. Krauss, T. Mayer, Chem. Ber. 1989, 122, 2311: "Propiniminium-Salze: Ambifunktio­nelle Reaktivität gegenüber S- und N-Nucleophi­len“.

    59. P. Luthardt, M. H. Möller, U. Rodewald, E.-U. Würthwein, Chem. Ber. 1989, 122, 1705: "1.3-Diazabutadiene: Kristallstruktur, quan­tenmechanische Berechnungen und spek­troskopische Untersuch­ung“.

    58. R. Weidner, G. Maas, E.-U. Würthwein, Chem.Ber. 1989, 122, 1711: "1,4-Dihy­dro­isochinoline und 1H-Benzo[d,e]isochinoline aus 2-Aza-allenium Salzen“.

    57. R. Weidner, E.-U. Würthwein, Chem.Ber. 1989, 122, 1095: "2-Aza-allenium-­Salze aus N-(Benzyliden)--methoxy-benzylaminen“.

    56. P. Rademacher, G. Irsch, W. Sicking, E.-U. Würthwein, J.Molec.Struct. 1989, 197, 291: "He(I) Photoelectron Spectra and Elec­tronic Structures of some 1-substituted Aziridines and 1,1'-Biaziridinyl".

    55. U. Althoff, J. Grobe, D. Le Van, E.-U. Würthwein, Z.Natur­forsch. B. 1989, 44b, 175: "Reaktive E=C (p p) -Systeme, XIX: F3CP=C(H)F und F3CP=C(D)F als Dienophile".

    1988

    54. E.-U. Würthwein, Nachr.Chem.Tech.Lab. 1988, 36, 747: "Bürgenstock 1988".

    53. G. Wolf, E.-U. Würthwein, Tetrahedron Lett. 1988, 29, 3647: "Reactions of 2-Aza­-pentadienyl Anions with Carbonyl Compounds: Regioselectivity".

    52. R. Kupfer, M. Krestel, R. Allmann, E.-U. Würthwein, Chem.Ber. 1988, 121, 1657: "Synthesen, Struktur und Eigenschaften von 1,1,3 Trialkoxy-2-aza-propen­ylium-­Salzen“.

    51. E.-U. Würthwein, R. Kupfer, S. Meier, M. Krestel, R. Allmann, Chem.Ber. 1988, 121, 991: "Zur Struktur von N-(Dialkoxy-methy­len)-carbonsäureamiden: Kristall­strukturbestim­mung, quantenmecha­nische Berechnungen und spektroskopische Untersuchun­gen“.

    50. E.-U. Würthwein, R. Kupfer, S. Meier, M. Krestel, R. Allmann, Chem.Ber. 1988, 121, 591: "Zur Struktur von N-Methylen-carb­amid­säure­estern: Kristallstrukturbe­stim­mung, spek­troskopische Untersuchung und quantenmechanische Berech­nungen“.

    49. P. Luthardt, E.-U. Würthwein, Tetrahedron Lett. 1988, 29, 921: "2+2-and 4+2-Cyclo­addition Reactions of 1,3-Diazabutadienes with Diphenylketene“.

    1987

    48. E.-U. Würthwein, R. Weigmann, Angew.Chem. 1987, 99, 918; An­gew.Chem .Int.Ed. Engl. 1987, 99, 923: "Erste Darstellung von N-Methyleninaminen (2-Aza-but-1-en-3-inen)“.

    47. M. Krestel, R. Kupfer, R. Allmann , E.-U. Würthwein, Chem.Ber. 1987, 120, 1271: "Synthesen, Struktur und Eigenschaften von 1,1-Dialkoxy-2-aza-propenylium-Salzen".

    46. P. H. M. Budzelaar, D. Cremer, M. Wallasch, E.-U. Würthwein, P. v. R. Schleyer, J.Am.Chem.Soc. 1987, 109, 6290: "Dioxetenes and Diazetines - Nonaromatic 6 -Heterocyc­les“.

    45. A. T. Balaban, E.-U. Würthwein, P. v. R. Schleyer, Tetrahedron 1987, 43, 405: "Model MNDO Calculations for Rotamers of -Acyl­nitr­oxides and of N-Nitrosoni­troxi­des“.

    1986

    44. R. Kupfer, E.-U. Würthwein, M. Krestel, R. Allmann, Chem.Ber. 1986, 119, 3236: "Synthese, Struktur und Eigenschaften von N-(Di­alkoxymethylen)-carbamidsäu­ree­stern".

    43. P. Rademacher, E.-U. Würthwein, J.Molec.Struct. 1986, 139, 315-325: "Electronic Structure and Conformational Properties of the Amide Linkage Part 5. Internal Rotation and Inversion in 1 Formylaziridine".

    42. R. Allmann, M. Krestel, R. Kupfer, E.-U. Würthwein, Chem.Ber. 1986, 119, 2444: "Synthese, Struktur und Eigenschaften von N-Alk­oxymethylen-carbaminsäureestern".

    41. E.-U.Würthwein, R.Kupfer, Chem.Ber. 1986, 119, 1557: "Syn­these und Eigen­schaften von 1,3-Dialkoxy-2-aza-propenylium-Salzen".

    40. R. Kupfer, E.-U. Würthwein, Chem.Ber. 1986, 119, 857: "Syn­these und Eigenschaften von substituierten 1-Alkoxy-2-aza­allen­ium-Salzen".

    39. N. M. Klimenko, D. G. Musaev, A. A. Gorbik, A. S. Zyubin, O. P. Charkin, E.-U. Würth­wein, P. v. R. Schleyer, Koord.Khim.(Russ.) 1986, (12)5, 601 (C.A. 105, 49417s): "Non-empirical calculations of structures and sta­bili­ties of the lithium clusters ALi2k of ele­ments of the second group A = Be, Mg, Ca, Zn)".

    1985

    38. R. Kupfer, E.-U. Würthwein, Tetrahedron Lett. 1985, 26, 3547: "Poly­alkoxy-2-aza-propenylium Salts".

    37. C. Reichardt, K. Y. Yun, W. Massa, R. E. Schmidt, O. Exner, E. U. Würthwein, Liebigs Ann.Chem. 1985, 1997: "2,4,6 Cyclo­hepta­trien 1 yliden malonaldehyd (8.8 Difor­myl­hepta­fulven)   Dar­stellung, Struktur und Reaktionen“.

    36. E. U. Würthwein, R. Kupfer, P. H. M. Budezelaar, C. Strobel, H. P. Beck, An­gew.Chem. 1985, 97, 327; Angew.Chem.Int.Ed.Engl. 1985, 24, 340: "Ein neuer, einfacher Weg zu 2 Aza allenium Salzen   Bis (2 adamantyliden) ammonium ­hexa­chlo­roantimonat".

    35. E. U. Würthwein, R. Kupfer, R. Allmann, M. Nagel, Chem.Ber. 1985, 118, 3632: "Strukturuntersuchungen zum System 1.3 Di­alkoxy 2 aza allenium Ion   1.3 Dial­koxy 2 aza­allyl­ Kation".

    34. R. Kupfer, M. Nagel, E. U. Würthwein, R. Allmann, Chem.Ber. 1985, 118, 3089: "Synthese und Struktur von N Acylimid­säure­estern".

    33. R. Kupfer, E. U. Würthwein, M. Nagel, R. Allmann, Chem.Ber. 1985, 118, 643: "1 Alkoxy 2 aza allenium Salze: Röntgeno­gra­phische und quantenmechanische Struktur­unter­suchungen".

    1984

    32. E. U. Würthwein, P. v. R. Schleyer, J. A. Pople, J.Am.Chem.Soc. 1984, 106, 6973: "Hypermetallation Involving Sodium: ONa3, ONa4, HONa2, and HONa3".

    31. R. Kupfer, S. Meier, E. U. Würthwein, Synthesis 1984, 688: "A Facile Method for the Preparation of N Methyleneamides and Alkyl N Methylenecarbamates".

    30. M. Al Talib, I. Jibril, E. U. Würthwein, J.C. Jochims, G. Huttner, Chem.Ber. 1984, 117, 3365: "The Structure of 2 Aza­allenium Cations".

    29. E. U. Würthwein, J.Org.Chem. 1984, 49, 2971: "Struc­tures and Stabilities of C2H4N+ Isomers: An ab initio Molecular Orbi­tal Study".

    28. R. Allmann, R. Kupfer, M. Nagel, E. U. Würthwein, Chem.Ber. 1984, 117, 1597: "Zur Struktur von N Methylencarbonsäureamiden: Röntgenstrukturergebnisse, spek­troskopische Untersuchung und quantenmechanische Berechnungen ".

    1983

    27. P. v. R.Schleyer, E. U. Würthwein, E. Kaufmann, T. Clark, J. A. Pople, J.Am.­Chem.Soc. 1983, 105, 5930: "CLi5, CLi6 and the Related Effectively Hypervalent First Row Molecules, CLi5 nHn and CLi6 nHn ".

    26. J. C. Kleingeld, N. M. M. Nibbering, H. Halim, H. Schwarz, E. U. Würthwein, Chem.Ber. 1983, 116, 3877: "A Fourier Trans­form Ion Cyclotron Resonance Study of the Structure of some Phenyl sub­stituted 2 azaallenium Ions".

    25. E. U. Würthwein, R. Kupfer, C. Kaliba, Angew.Chem. 1983, 95, 247; An­gew. Chem. Suppl. 1983, 95, 264   270; Angew.Chem.Int.Ed.Engl. 1983, 22, 252: "Reaktionen von N Methylen­carbon­säureamiden mit Elektrophilen: 1 Alkoxy 2 ­aza­allenium Salze und N Acyl­(methylen)ammonium Salze ".

    24. E. U. Würthwein, E. Wilhelm, B. Seitz, Tetrahedron Lett. 1983, 24, 581: "Reaktionen von 2 Azabutadienen mit Elektro­philen: N Vinyl Iminium Salze".

    23. P. v. R. Schleyer, B. Tidor, E. D. Jemmis, J. Chandrasekhar, E. U. Würthwein, A. K. Kos, B. T. Luke, J. A. Pople, J.Am.Chem.Soc. 1983, 105, 484: "Lithium ­Stabilized Methanonium Ions CLi5 nHn+. A Theoretical Study".

    • E. U. Würthwein, Habilitationsschrift, Universität Erlangen, 1983: "Struktur, Synthese und Eigenschaften von 2 Aza allenium Salzen".

    22. E. U. Würthwein, K. D. Sen, J. A. Pople, P. v. R. Schleyer, Inorg.Chem. 1983, 22, 496: "Lithiated Ammonia, Amide Anions and Ammonium Ions. An Ab Initio Study of Struc­tures, Bonding and Energetic Relationships“.

    1982

    21. P. v. R. Schleyer, E. U. Würthwein, J. A. Pople, J.Am.Chem.Soc. 1982, 104, 5839: "Effectively Hypervalent First Row Mole­cules. 1. Octet Rule Violations by OLi3 and OLi4".

    20. C. Reichardt, E. U. Würthwein, Z.Naturforsch. 1982, 37b, 1187: "Synthesen mit aliphatischen Dialdehyden, XXXV. Synthesen mit 1  und 2 Adamantylmalon­dialde­hyd".

    19. P. v. R. Schleyer, E. U. Würthwein, Chem.Comm. 1982, 542 : "A Comment on the Mechanism of Enantiotopomerization of Tetrahe­dral Boron Chelates; Model MNDO Calculations“.

    18. E. U. Würthwein, H. Halim, H. Schwarz, N. N. M. Nibbering, Chem.Ber. 1982, 115, 2626: "Phenylsubstituierte 2 Aza allenium-­Ionen in der Gasphase".

    17. E. D. Jemmis, J. Chandrasekhar, J. W. Chinn, Jr., E. U. Würth­wein, P. v. R. Schley­er, F. J. Landro, R. J. Lagow, B. Luke, J. A. Pop­le, J.Am.Chem.Soc. 1982, 104, 4275: "Lithiated Carbocations. The Generation, Structure and Stability of CLi5+".

    1981

    16. E. U. Würthwein, M. B. Krogh Jespersen, P. v. R. Schleyer, Inorg.Chem. 1981, 20, 3663: "Structures of Complex Beryl­lium Hydrides and Fluorides, LiBeX3 and Li2BeX4".

    15. J. Chandrasekhar, E. U. Würthwein, P. v. R.Schleyer, Tetrahedron 1981, 37, 921: "On the Planarity of Tetraco­ordinate Carbon Enclosed by Annulene Perimeters".

    14. E. U. Würthwein, Angew.Chem. 1981, 93, 110; Angew.Chem. Int.Ed.Engl. 1981, 20, 99: "Phenylsubstituierte Dimethylen­ammoni­um Salze: Derivate des 2 Aza ­alleniums".

    13. E. U. Würthwein, J. Chandrasekhar, E. D. Jemmis, P. v. R. Schleyer, Tetrahedron Lett. 1981, 22, 843: "The (4.4.4) Fenest­ranes and (2.2.2) Paddlane. Prospects for the Realization of Tetraco­ordinate Carbon ?".

    Erratum: Tetrahedron Lett. 1982, 23, 3306.

    1980

    12. E. U. Würthwein, Nachr. Chem. Tech. Lab. 1980, 28, 808: "Metallo Organics in Or­ganic Synthesis".

    11. M. B. Krogh Jespersen, J. Chandrasekhar, E.-U. Würthwein, J. B. Collins, P. v. R. Schleyer, J.Am.Chem.Soc. 1980, 102, 2263: "Molecular Orbital Study of Tetrahedral, Planar, and Pyramidal Structures of the Isoelectronic Series BH4 , CH4, NH4+, AlH4 , SiH4, and PH4+".

    10. A. R. Katritzky, M. Abdallah, A. T. Cutler, N. Dennis, S. K. Parton, S. Rahimi ­Rastgoo, G. J. Sabongi, H. J. Salgado Zamora, E. U. Würth­wein, J.Chem.Res. (S) 1980, 249: "1,3 Dipolar Charac­ter of Six membered aro­ma­tic Rings. Part 53. 1 (1 Oxido 4  pyridyl) 3 ­oxido­pyri­dinium, 2 (5 Nitro 2 pyridyl) 4 oxido­isoquino­linium, and trans 3 (4 Chloro­phenyl) 3 oxo­prop 2­ enyl)­ 4 oxido isoquinolinium".

    1979

    9. A. R. Katritzky, S. I. Bayyuk, N. Dennis, G. Musumarra, E. U. Würthwein, J.C.S. Perkin I 1979, 2535: "1,3 Dipolar Character of Six membered Aromatic Rings. Part 45. Photo­chemical­ly induced Dimerisation of 1 Vinyl  and 1 Hetero­aryl 3 oxido-pyridinium and Related Compounds".

    8. A. R. Katritzky, J. Banerji, N. Dennis, J. Ellison, G. B. Sabongi, E. U. Würth­wein, J.C.S. Perkin I 1979, 2528: "1,3 Di­polar Charac­ter of Six membered Aromatic Rings. Part 44. Further Examples of Troponoid Synthe­sis".

    7. E. U. Würthwein, P.v.R. Schleyer, Angew.Chem. 1979, 91, 588; Angew. Chem. Int. Ed. Engl. 1979, 18, 553: "Planar tetrakoordiniertes Silicium".

    1978

    6. W. Köller, I. Meinecke, S. Pfriem, E. U. Würthwein, "Chemie in Experimen­ten   Ein Praktikum für Mediziner und Biologen"; Verlag Salle Sauerländer, 1978.

    1976

    5. C. Reichardt, E. U. Würthwein, Chem.Ber. 1976, 109, 3735: "Notiz zum Mechanismus der Japp Klingemann Reaktion von 1,3 Dialdehyden".

    4. C. Reichardt, E. U. Würthwein, Synthesis 1976, 248: "Eine Laboratoriums­methode zur Herstellung von Mesoxaldialdehyd­tetramethyldiacetal".

    3. C. Reichardt, W. Pressler, E. U. Würthwein, Angew.Chem. 1976, 88, 88: "Synthese von Alkylidenmalondialdehyd-tetra­methylbis­acetalen".

    1975

      E. U. Würthwein, Dissertation, Universität Marburg 1975: "Darstellung, Eigen­schaften und Reaktionen von Adamantyl-, tert.- Butyl- und Alkyliden-malondialde­hyden".

    1974

    2. C. Reichardt, E. U. Würthwein, Chem.Ber. 1974, 107, 3454: "Notiz über eine einfache Synthese des tert.-Butylmalondial­dehyds".

    1973

    1. C. Reichardt, E. U. Würthwein, Synthesis 1973, 604: "Herstellung von 1- und 2-Ada­mantylmalondialdehyd".

      E. U. Würthwein, Diplomarbeit, Universität Marburg 1973: "Darstellung, Eigen­schaften und Reaktionen des 1- und 2-Adaman­tyl­malondialdehyds".

    Patente:

    1. "Polyazene" (Erf. H. Naarmann, E.-U. Würthwein, M. Buhmann, 16.7.1992) BASF-AG, DE-P 42 23 264.3.

    2. „N-substituierte N-Acylamidin-Übergangsmetallkomplexe und deren Verwendung als Katalysatoren“ (Erf. J. K. Eberhardt, E.-U. Würthwein, 17. 6. 2004) BASF AG, DE 102 56 854 A1

    3. „Chelatisierende -substituierte N-Acylamidine und deren Übergangsmetallkom­plexe“, (Erf. V. Böhm, M. Röper, E.-U. Würthwein, C. Wigbers, M. Chabanas, J. H. Teles, A. G. Altenhoff, 17.1.2008) BASF SE, DE 10 2008 000 077 A1

  • Joint Research Projects

    • Graduiertenkolleg “Hochreaktive Mehrfachbindungssysteme” (1993-2002)
    • SFB 424 “Molecular Orientation and Its Function in Chemical Systems” (1997-2008)
    • NRW Graduate School of Chemistry (2001 - )
    • International Research Training Group “Template Directed Chemical Synthesis” (Münster – Amsterdam – Leiden, 2001-2005)
    • International Research Training Group (IRTG 1444) “Generation of Supramolecular Functional Cavities Container Molecules, Macrocycles and Related Compounds” (Münster – Amsterdam – Leiden, 2006-2011)
    • International Research Training Group (IRTG 1143): “Complex Functional Systems in Chemistry: Design, Development and Applications” (2006-2014)
    • SFB 858 „Synergetische Effekte in der Chemie – Von der Additivität zur Kooperativität“ (2009-2013)