Publications
Özgün, Thomas; Ye, Ke-Yin; Daniliuc, Constantin G.; Wibbeling, Birgit; Liu, Lei; Grimme, Stefan; Kehr, Gerald; Erker, Gerhard
"Why Does the Intramolecular Trimethylene-Bridged Frustrated Lewis Pair Mes2PCH2CH2CH2B(C6F5)2 Not Activate Dihydrogen ?" Chemistry - A European Journal 2016, 22(17), 5988-5995.
Wrobel, Agnes Johanna; Lucchesi, Ralph; Wibbeling, Birgit; Daniliuc, Constantin-Gabriel; Fröhlich, Roland; Würthwein, Ernst-Ulrich
"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": Journal of Organic Chemistry 2016, 81(7), 2849-2863.
Ernst, Johannes B.; Rühling, Andreas; Wibbeling, Birgit; Glorius, Frank
"Trichloromethylthiolation of N-Heterocycles: Practical and Completely Regioselective", Chemistry - A European Journal 2016, 22(13), 4400-4404.
Normand, Adrien T.; Daniliuc, Constantin G.; Wibbeling, Birgit; Kehr, Gerald; Le Gendre, Pierre; Erker, Gerhard
"Insertion Reactions of Neutral Phosphidozirconocene Complexes as a Convenient Entry into Frustrated Lewis Pair Territory", Chemistry - A European Journal 2016, 22(12), 4285-4293.
Rosorius, Christoph; Möricke, Jennifer; Wibbeling, Birgit; McQuilken, Alison C.; Warren, Timothy H.; Daniliuc, Constantin G.; Kehr, Gerald; Erker, Gerhard "Frustrated Lewis Pair Chemistry Derived from Bulky Allenyl and Propargyl Phosphanes", Chemistry - A European Journal 2016, 22(3), 1103-1113.
Normand, Adrien T.; Daniliuc, Constantin G.; Wibbeling, Birgit; Kehr, Gerald; Le Gendre, Pierre; Erker, Gerhard
"Phosphido- and Amidozirconocene Cation-Based Frustrated Lewis Pair Chemistry", Journal of the American Chemical Society 2015, 137(33), 10796-10808.
Chen, Guo-Qiang; Kehr, Gerald; Daniliuc, Constantin G.; Wibbeling, Birgit; Erker, Gerhard
"Bifunctional Behavior of Unsaturated Intramolecular Phosphane-Borane Frustrated Lewis Pairs Derived from Uncatalyzed 1,4-Hydrophosphination of a Dienylborane", Chemistry - A European Journal 2015, 21(35), 12449-12455.
Matuschek, David; Eusterwiemann, Steffen; Stegemann, Linda; Dörenkamp, Carsten; Wibbeling, Birgit; Daniliuc, Constantin G.; Doltsinis, Nikos L.; Strassert, Cristian A.; Eckert, Hellmut; Studer, Armido
"Profluorescent verdazyl radicals - synthesis and characterization", Chemical Science 2015, 6(8), 4712-4716.
Jin, Xing; Willeke, Matthias; Lucchesi, Ralph; Daniliuc, Constantin-Gabriel; Fröhlich, Roland; Wibbeling, Birgit; Uhl, Werner; Würthwein, Ernst-Ulrich "Hydroalumination of Ketenimines and Subsequent Reactions with Heterocumulenes: Synthesis of Unsaturated Amide Derivatives and 1,3-Diimines", Journal of Organic Chemistry 2015, 80(12), 6062-6075.
Frömel, Silke; Radermacher, Georg; Wibbeling, Birgit; Daniliuc, Constantin G.; Warren, Timothy H.; Kehr, Gerald; Erker, Gerhard
"P/B Ketene Adduct Formation from Acyl Chlorides at a Vicinal Phosphane/Borane Frustrated Lewis Pair", Israel Journal of Chemistry 2015, 55(2), 210-215.
Feldhaus, Philipp; Wibbeling, Birgit; Fröhlich, Roland; Daniliuc, Constantin G.; Kehr, Gerald; Erker, Gerhard
"Formation of allenes by 1,4-addition of intermolecular phosphine/borane frustrated Lewis pairs to a conjugated enyne" , Synlett 2014, 25(11), 1529-1533, 5 pp..
Bender, Georg; Daniliuc, Constantin G.; Wibbeling, Birgit; Kehr, Gerald; Erker, Gerhard
"Reaction of five-membered zirconacycloallenoids with the strong Lewis acid B(C6F5)3", Dalton Transactions 2014, 43(32), 12210-12213.
Chakrabarty, Shyamal; Chatterjee, Indranil; Wibbeling, Birgit; Daniliuc, Constantin Gabriel; Studer, Armido
"Stereospecific formal [3+2] dipolar cycloaddition of cyclopropanes with nitrosoarenes: An approach to isoxazolidines", Angewandte Chemie, International Edition 2014, 53(23), 5964-5968.
Eller, Christina; Bussmann, Kathrin; Kehr, Gerald; Wibbeling, Birgit; Daniliuc, Constantin G.; Erker, Gerhard
"Ethene/alkyne exchange reaction at an intramolecular frustrated Lewis pair", Chemical Communications (Cambridge, United Kingdom) 2014, 50(16), 1980-1982.
He, Zhiheng; Wibbeling, Birgit; Studer, Armido
"Oxidative Heck Coupling of Allylic Amines with 2,2,6,6-Tetramethylpiperidine-N-oxyl (TEMPO) as Oxidant for the Preparation of Tetrasubstituted Alkenes" Advanced Synthesis & Catalysis 2013, 355(18), 3639-3647.
Neue, Benedikt; Wakamiya, Atsushi; Fröhlich, Roland; Wibbeling, Birgit; Yamaguchi, Shigehiro; Würthwein, Ernst-Ulrich
"Modification and Unexpected Reactivity of 2-Borylbenzaldimines: Acylated and Silylated Derivatives as Well as Dimeric Compounds" , Journal of Organic Chemistry 2013, 78(23), 11747-11755.
Ekkert, Olga; Kehr, Gerald; Daniliuc, Constantin G.; Fröhlich, Roland; Wibbeling, Birgit; Petersen, Jeffrey L.; Erker, Gerhard
"Reaction of Unsaturated Vicinal Phosphane/Borane Frustrated Lewis Pairs with Benzaldehyde", Zeitschrift für Anorganische und Allgemeine Chemie 2013, 639(14), 2455-2462.
Bender, Georg; Kehr, Gerald; Daniliuc, Constantin G.; Wibbeling, Birgit; Erker, Gerhard
"Formation and structural characterization of a five-membered zirconacycloallenoid" Dalton Transactions 2013, 42(41), 14673-14676.
Hengesbach, Frank; Jin, Xing; Hepp, Alexander; Wibbeling, Birgit; Würthwein, Ernst-Ulrich; Uhl, Werner
"Activation of Isocyanates and Carbon Dioxide by a Monomeric Aluminium Hydrazide as an Active Lewis Pair", Chemistry - A European Journal 2013, 19(41), 13901-13909.
Schinor, Benjamin; Wibbeling, Birgit; Haufe, Günter
"Synthesis and pKa values of 2-(3- and 4-pentafluorosulfanylphenyl)-2-fluorocyclopropylamines", Journal of Fluorine Chemistry 2013, 155, 102-109.
Neue, Benedikt; Reiermann, Ralph; Fröhlich, Roland; Wibbeling, Birgit; Bergander, Klaus; Würthwein, Ernst-Ulrich
"Isocyanide 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", European Journal of Organic Chemistry 2013, 2013(22), 4944-4952.
Hellmann, Johannes; Rhotert, Ines; Westenberg, Hauke; Fröhlich, Roland; Wibbeling, Birgit; Uhl, Werner; Würthwein, Ernst-Ulrich
"N-Acyl- and N-Sulfonylformamidines from Cyanamides and Carbodiimides by Hydroalumination and Subsequent Treatment with Electrophiles", European Journal of Organic Chemistry 2013, 2013(16), 3356-3368.
Voskuhl, Jens; Kauscher, Ulrike; Grüner, Malte; Frisch, Hendrik; Wibbeling, Birgit; Strassert, Cristian A.; Ravoo, Bart Jan
"A soft supramolecular carrier with enhanced singlet oxygen photosensitizing properties", Soft Matter 2013, 9(8), 2453-2457.
Liedtke, Rene; Kehr, Gerald; Fröhlich, Roland; Daniliuc, Constantin G.; Wibbeling, Birgit; Petersen, Jeffrey L.; Erker, Gerhard
"Carboboration Reactions of 1,2-Bis[(diarylphosphino)ethynyl]benzenes with Tris(pentafluorophenyl)borane", Helvetica Chimica Acta 2012, 95(12), 2515-2527.
Persich, Peter; Kerschbaumer, Julia; Helling, Sandra; Hildmann, Barbara; Wibbeling, Birgit; Haufe, Günter
"Transannular O-Heterocyclization: A Useful Tool for the Total Synthesis of Murisolin and 16,19-cis-Murisolin" Organic Letters 2012, 14(22), 5628-5631.
Xu, Bao-Hua; Kehr, Gerald; Fröhlich, Roland; Wibbeling, Birgit; Schirmer, Birgitta; Grimme, Stefan; Erker, Gerhard
"Reaction of Frustrated Lewis Pairs with Conjugated Ynones-Selective Hydrogenation of the Carbon-Carbon Triple Bond" [Erratum to document cited in CA155:300982]: Angewandte Chemie, International Edition 2012, 51(41), 10213.
Feldhaus, Philipp; Schirmer, Birgitta; Wibbeling, Birgit; Daniliuc, Constantin G.; Fröhlich, Roland; Grimme, Stefan; Kehr, Gerald; Erker, Gerhard
"Frustrated Lewis pair addition to conjugated diynes: Formation of zwitterionic 1,2,3-butatriene derivatives", Dalton Transactions 2012, 41(30), 9135-9142.
Voskuhl, Jens; Waller, Mark; Bandaru, Sateesh; Tkachenko, Boryslav A.; Fregonese, Carlo; Wibbeling, Birgit; Schreiner, Peter R.; Ravoo, Bart Jan "Nanodiamonds in sugar rings: an experimental and theoretical investigation of cyclodextrin-nanodiamond inclusion complexes", Organic & Biomolecular Chemistry 2012, 10(23), 4524-4530.
Holtrichter-Rößmann, Thorsten; Rösener, Christian; Hellmann, Johannes; Uhl, Werner; Würthwein, Ernst-Ulrich; Fröhlich, Roland; Wibbeling, Birgit
"Generation of weakly bound Al-N Lewis pairs by hydroalumination of ynamines and the activation of small molecules: phenylethyne and dicyclohexylcarbodiimide", Organometallics 2012, 31(8), 3272-3283.
Neue, Benedikt; Fröhlich, Roland; Wibbeling, Birgit; Fukazawa, Aiko; Wakamiya, Atsushi; Yamaguchi, Shigehiro; Würthwein, Ernst-Ulrich
"Synthesis and Photophysical Properties of Aryl-Substituted 2-Borylbenzaldimines and Their Extended π-Conjugated Congeners", Journal of Organic Chemistry 2012, 77(5), 2176-2184.
Müller, Christian H.; Wilking, Michael; Rühlmann, Ansgar; Wibbeling, Birgit; Hennecke, Ulrich
"Catalytic, asymmetric, bromine-induced semipinacol rearrangements at unactivated double bonds", Synlett 2011, (14), 2043-2047.
Neue, Benedikt; Reiermann, Ralph; Gerdes, Klaus; Fröhlich, Roland; Wibbeling, Birgit; Würthwein, Ernst-Ulrich
"Ring Closure Reactions of 2,6-Diazaheptatrienyl Metal Compounds: Synthesis of 3-Aminoindole Derivatives and 14-Membered Macrocyclic Dimers", Journal of Organic Chemistry 2011, 76(21), 8794-8806.
Xu, Bao-Hua; Kehr, Gerald; Fröhlich, Roland; Wibbeling, Birgit; Schirmer, Birgitta; Grimme, Stefan; Erker, Gerhard
"Reaction of Frustrated Lewis Pairs with Conjugated Ynones-Selective Hydrogenation of the Carbon-Carbon Triple Bond", Angewandte Chemie, International Edition 2011, 50(31), 7183-7186, S7183/1-S7183/25.
Ghavtadze, Nugzar; Narayan, Rishikesh; Wibbeling, Birgit; Würthwein, Ernst-Ulrich "3-(Hetero)aryl-4-indolylamino-?-tetralones by Diastereoselective Internal Redox Cyclization: An "Azaenamine" Conjugate Addition", Journal of Organic Chemistry 2011, 76(13), 5185-5197.
Kleine, Tillmann; Fröhlich, Roland; Wibbeling, Birgit; Würthwein, Ernst-Ulrich
"Cyclization Reactions of 3,4-Diazaheptatrienyl Metal Compounds. Pyridines from an Anionic Analogue of the Fischer Indole Synthesis: Experiment and Theory", Journal of Organic Chemistry 2011, 76(11), 4591-4599.
Kleine, Tillmann; Bergander, Klaus; Fröhlich, Roland; Wibbeling, Birgit; Würthwein, Ernst-Ulrich
"Ring-Closure Reactions of 1,2-Diaza-4,5-benzoheptatrienyl Metal Compounds: Experiment and Theory", Journal of Organic Chemistry 2011, 76(7), 1979-1991.
Xu Bao-Hua; Kehr Gerald; Fröhlich Roland; Wibbeling Birgit; Schirmer Birgitta; Grimme Stefan; Erker Gerhard
"Reaction of frustrated Lewis pairs with conjugated ynones-selective hydrogenation of the carbon-carbon triple bond", Angewandte Chemie (International ed. in English) 2011, 50(31), 7183-6,
Chen, Chao; Eweiner, Florian; Wibbeling, Birgit; Fröhlich, Roland; Senda, Shunsuke; Ohki, Yasuhiro; Tatsumi, Kazuyuki; Grimme, Stefan; Kehr, Gerald; Erker, Gerhard
"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" Chemistry - An Asian Journal 2010, 5(10), 2199-2208.
Unverhau, Kerstin; Lübbe, Gerrit; Wibbeling, Birgit; Fröhlich, Roland; Kehr, Gerald; Erker, Gerhard
"Frustrated Lewis Pair Reactions at the [3]Ferrocenophane Framework", Organometallics 2010, 29(21), 5320-5329.
Mömming, Cornelia M.; Kehr, Gerald; Wibbeling, Birgit; Fröhlich, Roland; Erker, Gerhard
"Addition reactions to the intramolecular mesityl2P-CH2-CH2-B(C6F5)2 frustrated Lewis pair", Dalton Transactions 2010, 39(32), 7556-7564.
Usener, Carolin; Kehr, Gerald; Fröhlich, Roland; Wibbeling, Birgit; Mück-Lichtenfeld, Christian; Erker, Gerhard
"Developing a Reliable Synthetic Route to cis-1,3-Bridge-Disubstituted [3]Ferrocenophane Systems", Organometallics 2010, 29(17), 3852-3861.
Sunnam, Sunil Kumar; Schepmann, Dirk; Wibbeling, Birgit; Wünsch, Bernhard
"Bicyclic ? receptor ligands by stereoselective Dieckmann analogous cyclization of piperazinebutyrate", Organic & Biomolecular Chemistry 2010, 8(16), 3715-3722.
Voskuhl, Jens; Fenske, Tassilo; Stuart, Marc C. A.; Wibbeling, Birgit; Schmuck, Carsten; Ravoo, Bart Jan
"Molecular Recognition of Vesicles: Host-Guest Interactions Combined with Specific Dimerization of Zwitterions", Chemistry - A European Journal 2010, 16(28), 8300-8306, S8300/1-S8300/10.
Lamas, Marie-Celine; Vaillard, Santiago E.; Wibbeling, Birgit; Studer, Armido
"Radical Amination with Trimethylstannylated Benzophenone Imine", Organic Letters 2010, 12(9), 2072-2075.
Mömming, Cornelia M.; Kehr, Gerald; Wibbeling, Birgit; Fröhlich, Roland; Schirmer, Birgitta; Grimme, Stefan; Erker, Gerhard
"Formation of Cyclic Allenes and Cumulenes by Cooperative Addition of Frustrated Lewis Pairs to Conjugated Enynes and Diynes", Angewandte Chemie, International Edition 2010, 49(13), 2414-2417, S2414/1-S2414/27.
Hemery, Therese; Wibbeling, Birgit; Fröhlich, Roland; Hoppe, Dieter
"Stereoselective synthesis of highly substituted annulated dihydropyrans based on ?-lithiation and homoaldol reaction of an enantiopure ?-silylated vinyl carbamate", Synthesis 2010, (2), 329-342.
Voskuhl Jens; Fenske Tassilo; Stuart Marc C A; Wibbeling Birgit; Schmuck Carsten; Ravoo Bart Jan
"Molecular recognition of vesicles: host-guest interactions combined with specific dimerization of zwitterions", Chemistry (Weinheim an der Bergstrasse, Germany) 2010, 16(28), 8300-6,
Mömming Cornelia M; Kehr Gerald; Wibbeling Birgit; Fröhlich Roland; Schirmer Birgitta; Grimme Stefan; Erker Gerhard
"Formation of cyclic allenes and cumulenes by cooperative addition of frustrated Lewis pairs to conjugated enynes and diynes", Angewandte Chemie (International ed. in English) 2010, 49(13), 2414-7,
Spies, Patrick; Kehr, Gerald; Bergander, Klaus; Wibbeling, Birgit; Fröhlich, Roland; Erker, Gerhard
"Metal-free dihydrogen activation chemistry: structural and dynamic features of intramolecular P/B pairs", Dalton Transactions 2009, (9), 1534-1541.
Lange, Heiko; Hünerbein, Robert; Wibbeling, Birgit; Fröhlich, Roland; Grimme, Stefan; Hoppe, Dieter
"Comprehensive experimental and theoretical studies of configurationally labile epimeric diamine complexes of ?-lithiated benzyl carbamates", Synthesis 2008, (18), 2905-2918.
Hruschka, Svenja; Rosen, Thomas C.; Yoshida, Shinichi; Kirk, Kenneth L.; Fröhlich, Roland; Wibbeling, Birgit; Haufe, Günter
"Fluorinated phenylcyclopropylamines. Part 5: Effects of electron-withdrawing or -donating aryl substituents on the inhibition of monoamine oxidases A and B by 2-aryl-2-fluoro-cyclopropylamines", Bioorganic & Medicinal Chemistry 2008, 16(15), 7148-7166.
Otte, Ralf; Wibbeling, Birgit; Fröhlich, Roland; Nakamura, Shuichi; Shibata, Norio; Toru, Takeshi; Hoppe, Dieter
"Asymmetric lithiation of 2-alkynyl aryl sulfides: enantio- and diastereoselective formation of allenyl aryl sulfides and their application in nickel-catalyzed cross-coupling reactions" Tetrahedron Letters 2007, 48(49), 8636-8642.
Geiger, Christian; Zelenka, Christel; Weigl, Manuela; Fröhlich, Roland; Wibbeling, Birgit; Lehmkuhl, Kirstin; Schepmann, Dirk; Grünert, Renate; Bednarski, Patrick J.; Wünsch, Bernhard
"Synthesis of Bicyclic ? Receptor Ligands with Cytotoxic Activity", Journal of Medicinal Chemistry 2007, 50(24), 6144-6153.
Chedid, Roland Bou; Fröhlich, Roland; Wibbeling, Birgit; Hoppe, Dieter: Enantioselective ?-deprotonation of alkyl-substituted O-1,3-butadien-2-yl carbamates and regioselective asymmetric homoaldol reaction: European Journal of Organic Chemistry (2007), (19), 3179-3190.
Chedid, Roland Bou; Brümmer, Michael; Wibbeling, Birgit; Fröhlich, Roland; Hoppe, Dieter
"Stereo- and regiochemical divergence in the substitution of a lithiated alk-1-en-3-yn-2-yl carbamate: synthesis of highly enantioenriched vinylallenes or alk-3-en-5-yn-1-ols", Angewandte Chemie, International Edition 2007, 46(17), 3131-3134.
Brüns, Astrid; Wibbeling, Birgit; Fröhlich, Roland; Hoppe, Dieter
"Enantio- and diastereoselective synthesis of tetrahydrofurochromenes by sequential asymmetric homoaldol reaction and a Mukaiyama-type tetrahydrofuran cyclization", Synthesis 2006, (18), 3111-3121.
Hesse, Nadine; Fröhlich, Roland; Wibbeling, Birgit; Würthwein, Ernst-Ulrich
"1,3,5-Triazapenta-1,3-dienes: useful building blocks for the synthesis of 1,2-dihydro-1,3,5-triazines and oligonitriles", European Journal of Organic Chemistry 2006, (17), 3923-3937.
Sax, Michael; Ebert, Kirstin; Schepmann, Dirk; Wibbeling, Birgit; Wünsch, Bernhard
"Synthesis and NMDA-receptor affinity of 4-oxo-dexoxadrol derivatives", Bioorganic & Medicinal Chemistry 2006, 14(17), 5955-5962.
Paas, Martin; Wibbeling, Birgit; Fröhlich, Roland; Hahn, F. Ekkehardt
"Silver and rhodium complexes of stable, monomeric imidazolidin-2-ylidenes: Synthesis, reactivity and decomposition pathway", European Journal of Inorganic Chemistry 2006, (1), 158-162.
Özlügedik, Mustafa; Uenaldi, Seda; Wibbeling, Birgit; Hoppe, Dieter
"Synthesis of enantioenriched trans-fused bicyclo[4.4.0]-dec-3-enes and bicyclo[4.3.0]non-3-enes bearing a 1,5-lactone bridge", Advanced Synthesis & Catalysis 2005, 347(11-13), 1627-1631.
Geiger, Christian; Zelenka, Christel; Fröhlich, Roland; Wibbeling, Birgit; Wünsch, Bernhard
"Stereoselectivity during a Dieckmann analogous cyclization of (piperazin-2-yl)propionic acid esters", Zeitschrift für Naturforschung, B: Chemical Sciences 2005, 60(10), 1068-1070.
Kleigrewe, Nina; Steffen, Winfried; Blömker, Tobias; Kehr, Gerald; Fröhlich, Roland; Wibbeling, Birgit; Erker, Gerhard; Wasilke, Julia-Christina; Wu, Guang; Bazan, Guillermo C.
"Chelate Bis(imino)pyridine Cobalt Complexes: Synthesis, Reduction, and Evidence for the Generation of Ethene Polymerization Catalysts by Li+ Cation Activation", Journal of the American Chemical Society 2005, 127(40), 13955-13968.
Otte, Ralf; Fröhlich, Roland; Wibbeling, Birgit; Hoppe, Dieter
"Solid-state structure and enantioselective reactions of a complex of a 1-thio-substituted propargyllithium and (-)-sparteine", Angewandte Chemie, International Edition 2005, 44(34), 5492-5496.
Kalkofen, Rainer; Brandau, Sven; Wibbeling, Birgit; Hoppe, Dieter
"Synthesis of stereohomogeneous cyclopropanecarbaldehydes and cyclopropyl ketones by cycloalkylation of 4-hydroxy-1-alkenyl carbamates", Angewandte Chemie, International Edition 2004, 43(48), 6667-6669.
Mirk, Daniela; Wibbeling, Birgit; Fröhlich, Roland; Waldvogel, Siegfried R.
"Oxidative coupling of alkylated anisole derivatives using MoCl5", Synlett 2004, 11, 1970-1974.
Gerdes, Klaus; Sagar, Pramod; Fröhlich, Roland; Wibbeling, Birgit; Würthwein, Ernst-Ulrich
"4,5-Dihydro-3H-benzo[c]azepines from 1,7-electrocyclization reactions of 2-aza-4,5-benzoheptatrienyllithium compounds", European Journal of Organic Chemistry 2004, 16, 3465-3476.
Zimmermann, Maik; Wibbeling, Birgit; Hoppe, Dieter
"Synthesis of enantiomerically and diastereomerically pure 4-hydroxy-1,2-alkadienyl carbamates and their application in a modified Nazarov cyclization towards chiral cyclopentenones", Synthesis 2004, 5, 765-774.
Albrecht, Markus; Janser, Ingo; Kamptmann, Susanne; Weis, Patrick; Wibbeling, Birgit; Fröhlich, Roland
"Dicatechol-diimines: Easily accessible ligands for the self-assembly of dinuclear triple-stranded helicates", Dalton Transactions 2004, 1, 37-43.
Liptau, Patrick; Tebben, Ludger; Kehr, Gerald; Wibbeling, Birgit; Fröhlich, Roland; Erker, Gerhard
"Preparation of optically active ?-amino[3]ferrocenophanes - building blocks for chelate ligands in asymmetric catalysis", [Erratum to document cited in CA140:423780]: European Journal of Inorganic Chemistry 2003, 23, 4261.
Gralla, Gabriele; Wibbeling, Birgit; Hoppe, Dieter
"Synthesis of 2-alkylidene-cycloalkane-1,3-diols via enantioselective intramolecular carbolithiation", Tetrahedron Letters 2003, 44(50), 8979-8982.
Snell, Alexander; Kehr, Gerald; Wibbeling, Birgit; Fröhlich, Roland; Erker, Gerhard
"Structural features of a sulfur-containing group 4 metalla[11]-crown-4 derivative", Zeitschrift für Naturforschung, B: Chemical Sciences 2003, 58(9), 838-842.
Liptau, Patrick; Tebben, Ludger; Kehr, Gerald; Wibbeling, Birgit; Fröhlich, Roland; Erker, Gerhard
"Preparation of optically active ?-amino[3]ferrocenophanes - building blocks for chelate ligands in asymmetric catalysis", European Journal of Inorganic Chemistry 2003, 19, 3590-3600.
Heimann, Jens; Schäfer, Hans J.; Fröhlich, Roland; Wibbeling, Birgit
"Cathodic cyclization of N-(oxoalkyl)pyridinium salts - formation of tricyclic indolizidine and quinolizidine derivatives in aqueous medium", European Journal of Organic Chemistry 2003, 15, 2919-2932.
Möllers, Christian; Prigge, Jörg; Wibbeling, Birgit; Fröhlich, Roland; Brockmeyer, Andreas; Schäfer, Hans J.; Schmalzlin, Elmar; Brauchle, Christoph; Meerholz, Klaus; Würthwein, Ernst-Ulrich
"Unsaturated hetero chains, XI. 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", European Journal of Organic Chemistry 2003, 7, 1198-1208.
Huynh, Han Vinh; Seidel, Wolfram W.; Lugger, Thomas; Fröhlich, Roland; Wibbeling, Birgit; Hahn, F. Ekkehardt
"ortho-lithiation of benzene-1,2-dithiol: A methodology for ortho-functionalization of benzene-1,2-dithiol", Zeitschrift für Naturforschung, B: Chemical Sciences 2002, 57(12), 1401-1408.
Niehues, Martin; Kehr, Gerald; Erker, Gerhard; Wibbeling, Birgit; Fröhlich, Roland; Blacque, Olivier; Berke, Heinz
"Structural characterization of group 4 transition metal halide bis-Arduengo carbene complexes MCl4L2: X-ray crystal structure analyses and DFT calculations", Journal of Organometallic Chemistry 2002, 663(1-2), 192-203.
Marr, Felix; Fröhlich, Roland; Wibbeling, Birgit; Diedrich, Christian; Hoppe, Dieter
"The synthesis and configurational stability of enantioenriched ?-thioallyllithium compounds and the stereochemical course of their electrophilic substitution", European Journal of Organic Chemistry 2002, 17, 2970-2988.
Rogatchov, Viktor O.; Bernsmann, Heiko; Schwab, Pia; Fröhlich, Roland; Wibbeling, Birgit; Metz, Peter
"Preparation of enantiopure sultams by intramolecular Diels-Alder reaction of furan-containing vinylsulfonamides", Tetrahedron Letters 2002, 43(27), 4753-4756.
Gralla, Gabriele; Wibbeling, Birgit; Hoppe, Dieter
"Synthesis of an Ethynyl Carbamate and Application for Enantioselective Cyclocarbolithiation", Organic Letters 2002, 4(13), 2193-2195.
Schultz-Fademrecht, Carsten; Tius, Marc A.; Grimme, Stefan; Wibbeling, Birgit; Hoppe, Dieter
"Synthesis of enantioenriched 5-alkylidene-2-cyclopentenones from chiral allenyl carbamates: generation of a chiral lithium allenolate and allylic activation for a conrotatory 4?-electrocyclization", Angewandte Chemie, International Edition 2002, 41(9), 1532-1535.
Peters, Jan Georg; Seppi, Michael; Fröhlich, Roland; Wibbeling, Birgit; Hoppe, Dieter
"Stereoselective intermolecular carbolithiation of open-chain and cyclic 1-aryl-1-alkenyl N,N-diisopropylcarbamates coupled with electrophilic substitution. Observation of p-carboxylation in a benzyllithium derivative", Synthesis 2002, 3, 381-392.
Wu, He-Ping; Aumann, Rudolf; Fröhlich, Roland; Wibbeling, Birgit
"Stereocontrolled synthesis of angularly fused tricyclic ring systems by means of 1-metalla-1,3,5-hexatrienes (M = Cr, W)" , Chemistry - A European Journal 2002, 8(4), 910-916.
Ozlugedik, Mustafa; Kristensen, Jesper; Wibbeling, Birgit; Fröhlich, Roland; Hoppe, Dieter: Nonracemic, chiral homoenolate reagents derived from (cycloalk-1-enyl)methyl carbamates and evaluation of their configurational stabilities: European Journal of Organic Chemistry (2002), (3), 414-427.
Brüggemann, Markus; Fröhlich, Roland; Wibbeling, Birgit; Holst, Christiane; Hoppe, Dieter
"Stereoselective formation of quaternary carbon centers with chiral 3-sulfonyl-1,3-oxazolidines and titanium enolates", Tetrahedron 2002, 58(2), 321-340.
Wu, He-Ping; Aumann, Rudolf; Fröhlich, Roland; Wibbeling, Birgit; Kataeva, Olga
"Organic synthesis via transition metal complexes, part 113. Highly selective formation of [4+2] and [4+3] cycloadducts of tetrahydroindenes generated in situ from a (1-alkynyl)carbene tungsten complex by the metalla-1,3,5-hexatriene route", Chemistry - A European Journal 2001, 7(23), 5084-5093.
Essers, M.; Wibbeling, B.; Haufe, G.
"Synthesis of the first fluorinated cantharidin analogues", Tetrahedron Letters 2001, 42(32), 5429-5433.
Laqua, H.; Fröhlich, R.; Wibbeling, B.; Hoppe, D.
"Synthesis of enantioenriched indene-derived bicyclic alcohols and tricyclic cyclopropanes via (-)-sparteine-mediated lithiation of a racemic precursor and kinetic resolution during the cyclocarbolithiation", Journal of Organometallic Chemistry 2001, 624(1-2), 96-104.
Schultz-Fademrecht, Carsten; Wibbeling, Birgit; Fröhlich, Roland; Hoppe, Dieter
"Synthesis of enantiomerically enriched allenes by (-)-sparteine-mediated lithiation of alkynyl carbamates", Organic Letters 2001, 3(8), 1221-1224.
Deiters, Alexander; Wibbeling, Birgit; Hoppe, Dieter
"Enantio- and diastereoselective synthesis of a 3,4-divinylpyrrolidine via asymmetric deprotonation and cyclization of a 9-chloro-5-aza-2,7-nonadiene" Advanced Synthesis & Catalysis 2001, 343(2), 181-183.
Dreier, T.; Unger, G.; Erker, G.; Wibbeling, B.; Fröhlich, R.
"Group 4 metallocenes containing hetaryl substituents at their ?-ligands: synthesis and characterization of the parent bis[2-(2-furyl)indenyl]zirconocene system", Journal of Organometallic Chemistry 2001, 622(1-2), 143-148.
Dreier, Thorsten; Erker, Gerhard; Fröhlich, Roland; Wibbeling, Birgit
"2-Hetaryl-Substituted Bis(indenyl)zirconium Complexes as Catalyst Precursors for Elastomeric Polypropylene Formation", Organometallics 2000, 19(20), 4095-4103.
Hahn, F. Ekkehardt; Wittenbecher, Lars; Le Van, Duc; Fröhlich, Roland; Wibbeling, Birgit
"Novel 1,2,4-triphosphole and 1,2,3-triphosphetene derivatives from N,N'-bis(2,2-dimethylpropyl)benzimidazolin-2-ylidene and phosphaalkynes" Angewandte Chemie, International Edition 2000, 39(13), 2307-2310.
Heimbach, Dirk K.; Fröhlich, Roland; Wibbeling, Birgit; Hoppe, Dieter
"Asymmetric lithiation of an allyl carbamate induced by a complexing remote chiral substituent", Synlett 2000, (7), 950-954.
Steif, Frank; Wibbeling, Birgit; Meyer, Oliver; Hoppe, Dieter
"Enantio- and diastereoselective synthesis of (protected) 2-formyl- and 2-(hydroxymethyl)-1-phenylalkane-1,3-diols from chiral 2-methoxy-3-tosyl-1,3-oxazolidines by subsequent asymmetric formylation and aldolization", Synthesis 2000, (5), 743-753.
Wu, He-Ping; Aumann, Rudolf; Fröhlich, Roland; Wibbeling, Birgit
"Organic syntheses via transition metal complexes, CII. 1,3-Dioxycyclopentadienes from (1-alkynyl)carbene tungsten complexes - domino cyclization/cycloaddition reactions", European Journal of Organic Chemistry 2000, (7), 1183-1192.
Kehr, Gerald; Fröhlich, Roland; Wibbeling, Birgit; Erker, Gerhard
"(N-pyrrolyl)B(C6F5)2-a new organometallic Lewis acid for the generation of Group 4 metallocene cation complexes", Chemistry - A European Journal 2000, 6(2), 258-266.
Warren, Timothy H.; Erker, Gerhard; Fröhlich, Roland; Wibbeling, Birgit
"1,3-Doubly Bridged Group 4 Metallocenes by Intramolecular Reductive Coupling of Pendant Olefins", Organometallics 2000, 19(2), 127-134.
Strauch, Hans Christian; Roesmann, Rolf; Pacheiner, Silke; Erker, Gerhard; Fröhlich, Roland; Wibbeling, Birgit
"The reaction of (butadiene)tantalocene cation with bulky carbonyl derivatives", Journal of Organometallic Chemistry 1999, 584(2), 318-322.
Strauch, Hans Christian; Wibbeling, Birgit; Froehlich, Roland; Erker, Gerhard; Jacobsen, Heiko; Berke, Heinz
"Reactions of (Butadiene)tantalocene Cation with Alkyl Isocyanides", Organometallics 1999, 18(19), 3802-3812.
Puke, Carsten; Erker, Gerhard; Wibbeling, Birgit; Fröhlich, Roland: Structural and spectroscopic evidence for the occurrence of gauche-betaine intermediates in the thio Wittig reaction: European Journal of Organic Chemistry (1999), (8), 1831-1841.
Meiners, Uta; Cramer, Eva; Fröhlich, Roland; Wibbeling, Birgit; Metz, Peter
"A general route to the monomeric subunits of the macrotetrolides. A short synthesis of methyl nonactate", European Journal of Organic Chemistry 1998, (10), 2073-2078.
Hegemann, Klaus; Wibbeling, Birgit; Haufe, Günter
"Regioselectivity of oxysulfenylations of cycloocta-1,5-diene", Journal für Praktische Chemie/Chemiker-Zeitung 1998, 340(5), 455-458.
Woltering, Michael J.; Fröhlich, Roland; Wibbeling, Birgit; Hoppe, Dieter
"Stereoselective synthesis of hydroxylated indolizidines via (-)-sparteine-mediated kinetic resolution coupled with intramolecular carbolithiation", Synlett 1998, (7), 797-800.
Aumann, Rudolf; Gottker-Schnetmann, Inigo J.; Wibbeling, Birgit; Fröhlich, Roland
"Organic synthesis via transition metal complexes. 94. 1-Metalla-1,3,5,7-octatetraenes by 4-addition of (1,3-dien-2-yl)amines to (1-alkynyl)carbene complexes (M = Cr, W)", Tetrahedron Letters 1998, 39(8), 795-798.
Temme, Oliver; Laschat, Sabine; Frohlich, Roland; Wibbeling, Birgit; Heinze, Jürgen; Hauser, Petra
"Structural and electrochemical properties of a novel N,N'-dialkyl-substituted quinone diimine", Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry 1997, (10), 2083-2085.
Schulte, Jörg L.; Lalschat, Sabine; Kotila, Sirpa; Hecht, Jürgen; Fröhlich, Roland; Wibbeling, Birgit
"Synthesis of ?6-(octahydroacridine)chromium tricarbonyl complexes with nonpolar tails via molecular sieves-catalyzed cyclization of N-arylimines and subsequent diastereoselective complexation", Heterocycles 1996, 43(12), 2713-2724.
Metz, Peter; Seng, Dieter; Fröhlich, Roland;
"Intramolecular Diels-Alder reactions of vinylsulfonamides", Synlett 1996 (8), 741-742.
Bach, Thorsten; Jödicke, Kai; Wibbeling, Birgit
"Reversal of the facial diastereoselectivity in the Paterno-Buechi reaction of silyl enol ethers carrying a chiral substituent in ?-position", Tetrahedron 1996, 52(33), 10861-10878.
Laschat, Sabine; Fröhlich, Roland; Wibbeling, Birgit
"Preparation of 2,3,4-Trisubstituted Piperidines by A Formal Hetero-Ene Reaction of Amino Acid Derivatives", Journal of Organic Chemistry 1996, 61(8), 2829-38.
Metz, Peter; Meiners, Uta; Cramer, Eva; Fröhlich, Roland; Wibbeling, Birgit
"A practical route to methyl nonactate", Chemical Communications (Cambridge) 1996, (3), 431-2.
Flitsch, Wilhelm; Lauterwein, Jürgen; Leimkuehler, Manfred; Leaver, Derek; Lewinski, Ulrike; Mattes, Rainer; Temme, Robert; Wibbeling, Birgit
"Diethyl pyrrolo[1,2-b]cinnoline-6,8-dicarboxylate, a product of an anomalous Vilsmeier reaction", Liebigs Annalen der Chemie 1990, (7), 627-30.
Flitsch, Wilhelm; Lewinski, Ulrike; Temme, Robert; Wibbeling, Birgit
"Hydrazino-bridged annulenes. 7. Synthesis of diethyl 6H-9b,9c-diazacyclopenta[cd]phenalene-5,7-dicarboxylate", Liebigs Annalen der Chemie 1990, (7), 623-5.
Flitsch, Wilhelm; Lauterwein, Juergen; Temme, Robert; Wibbeling, Birgit
"An anomalous Vilsmeier reaction", Tetrahedron Letters 1988, 29(27), 3391-2.