Publikationen - Dr. habil. Wolfgang Baumann

158.

M. Schwarze, J. S. Milano-Brusco, V. Strempel, T. Hamerla, S. Wille, C. Fischer, W. Baumann, W. Arlt, R. Schomaecker, RSC Advances 2011, 1, 474-483. Rhodium Catalyzed Hydrogenation Reactions in Aqueous Micellar Systems as Green Solvents.

157.

E. Alberico, W. Baumann, J. G. de Vries, H. J. Drexler, S. Gladiali, D. Heller, H. J. W. Henderickx, L. Lefort, Chemistry – A European Journal 2011, 17, 12683-12695. Unravelling the Reaction Path of Rhodium-MonoPhos-Catalysed Olefin Hydrogenation.

156.

D. Selent, R. Franke, C. Kubis, A. Spannenberg, W. Baumann, B. Kreidler, A. Börner, Organometallics 2011, 30, 4509-4514. A New Diphosphite Promoting Highly Regioselective Rhodium-Catalyzed Hydroformylation.

155.

T. Schmidt, W. Baumann, H.-J. Drexler, D. Heller, J. Organomet. Chem. 2011, 696, 1760-1767. Unusual deactivation in the asymmetric hydrogenation of itaconic acid.

154.

A. Preetz, C. Fischer, C. Kohrt, H.-J. Drexler, W. Baumann, D. Heller Organometallics 2011, 30, 5155-5159. Cationic Rhodium-BINAP Complexes: Full Characterization of Solvate- and Arene-Bridged Dimeric Species.

153.

I. S. Mikhel, N. V. Dubrovina, I. A. Shuklov, W. Baumann, D. Selent, H. J. Jiao, A. Christiansen, R. Franke, A. Börner, Journal of Organometallic Chemistry 2011, 696, 3050-3057. Synthesis, Complexation Behavior and Application of a new Diphosphite Ligand in Rhodium-Catalyzed Hydroformylation.

152.

C. Fischer, C. Kohrt, H.-J. Drexler, W. Baumann and D. Heller, Dalton Trans. 2011, 40, 4162-4166. Trinuclear rhodium hydride complexes.

151.

A. Christiansen, D. Selent, A. Spannenberg, M. Koeckerling, H. Reinke, W. Baumann, H. J. Jiao, R. Franke, A. Börner Chemistry – A European Journal 2011, 17, 2120-2129. Heteroatom-Substituted Secondary Phosphine Oxides (HASPOs) as Decomposition Products and Preligands in Rhodium-Catalysed Hydroformylation.

150.

S. Erfle, T. Rahn, F. Bendrath, W. Baumann, D. Michalik, H. J. Jiao, A. Spannenberg, A. Boerner, P. Langer, Tetrahedron  2011, 67, 8780-8789. Synthesis and Characterization of Permethylated 1,3,5-Tri- and 1,3,5,7-Tetracarbonyl Compounds.

149.

V. V. Burlakov, Y. V. Nelyubina, K. A. Lyssenko, V. B. Shur, P. Arndt, W. Baumann, U. Rosenthal, Inorg. Chem. Commun. 2011,14, 975-977; Synthesis and Crystal Structure of the First Five-membered ansa-Metallacyclocumulene rac-(ebthi)Zr(η⁴-t-Bu-C₄-t-Bu).

148.

V. V. Burlakov, K. Kaleta, T. Beweries, P. Arndt, W. Baumann, A. Spannenberg, V. B. Shur, U. Rosenthal, Organometallics 2011, 30, 1157-1161. Reactions of Five-Membered Metallacyclocumulenes Cp₂M(η⁴-t-Bu-C₄-t-Bu) (M = Ti, Zr) with Diisobutylaluminium Hydride.

147.

V. V. Burlakov, T. Beweries, K. Kaleta, V. S. Bogdanov, P. Arndt, W. Baumann, A. Spannenberg, V. B. Shur, U. Rosenthal, Organometallics 2010, 29, 2367-2371; Reactions of the Five-membered Hafnacyclocumulene Cp₂Hf(η⁴-t-Bu-C₄-t-Bu) with the Lewis Acids Tris(pentafluorophenyl)borane and Diisobutylaluminum hydride.

146.

I. Piras, R. Jenerjahn, R. Jackstell, R. Franke, K.-D. Wiese, M. Beller, J. Organomet. Chem. 2010, 695, 479-486. Synthesis of Novel Rhodium Phosphite Catalysts for Efficient and Selective Isomerization-Hydroformylation Reactions.

145.

A. Boddien, F. Gärtner, R. Jackstell, H. Junge, A. Spannenberg, W. Baumann, R. Ludwig, M. Beller, Angew. Chem. Int. Ed. 2010, 49, 8993-8996. Ortho-Metalation of Iron(0) Tribenzylphosphine Complexes; Homogeneous Catalysts for the Generation of Hydrogen from Formic Acid.

144.

U. Siemeling, C. Färber, C. Bruhn, M. Leibold, D. Selent, W. Baumann, M. v. Hopffgarten, C. Goedecke, G. Frenking,  Chem. Sci. 2010, 1, 697-704. N-heterocyclic carbenes which readily add ammonia, carbon monoxide and other small molecules.

143.

C. Fischer, T. Beweries, A. Preetz, H.-J. Drexler, W. Baumann, S. Peitz, U. Rosenthal, D. Heller Catalysis Today 2010, 155, 282. Kinetic and mechanistic investigations in homogeneous catalysis using operando UV/vis spectroscopy.

142.

M. Lamač, A. Spannenberg, W. Baumann, H. Jiao, C. Fischer, S. Hansen, P. Arndt, U. Rosenthal, J. Am. Chem. Soc. 2010, 132, 4369-4380. Si–H Bond Activation of Alkynylsilanes by Group 4 Metallocene Complexes.

141.

A. Christiansen, C. Li, M. Garland, D. Selent, R. Ludwig, A. Spannenberg, W. Baumann, R. Franke, A. Börner, Eur. J. Org. Chem. 2010, 2733-2741. On the Tautomerism of Secondary Phosphane Oxides.

140.

M. Lamač, A. Spannenberg, H. Jiao, S. Hansen, W. Baumann, P. Arndt, U. Rosenthal, Angew. Chem. 2010, 122, 2999-3002. 1-Zircona-2,5-disilacyclopent-3-in: ein Zirconocen-koordiniertes 1,4-Disilabutatrien? Angew. Chem. Int. Ed. Engl. 2010, 49, 2937-2940. Formation of a 1-Zircona-2,5-disilancyclopent-3-yne:Coordination of 1,4-Disilabutatriene to Zirconocene?

139.

B. Loges, A. Boddien, H. Junge, J. R. Noyes, W. Baumann, M. Beller, J. Chem. Soc., Chem. Commun. 2009, 4185-4187. Hydrogen generation: catalytic acceleration and control by light.

138.

T. Schmidt, H.-J. Drexler, J. Sun, Z. Dai, W. Baumann, A. Preetz, D. Heller, Adv. Synth. Catal. 2009, 351, 750-754. Unusual Deactivation in the Asymmetric Hydrogenation of Itaconic Acid.

137.

A. Preetz, W. Baumann, C. Fischer, H.-J. Drexler, T. Schmidt, R. Thede, D. Heller, Organometallics 2009, 28, 3673-3677. Asymmetric Hydrogenation. Dimerization of Solvate Complexes: Synthesis and Characterization of Dimeric [Rh(DIPAMP)]₂²⁺, a Valuable Catalyst Precursor.

136.

V. V. Burlakov, T. Beweries, V. S. Bogdanov, P. Arndt, W. Baumann, P. V. Petrovskii, A. Spannenberg, K. A. Lyssenko, V. B. Shur, U. Rosenthal, Organometallics 2009, 28, 2864-2870. Synthesis and Isolation of Di-n-butyl-hafnocene and Its Application as a Versatile Starting Material for the Synthesis of New Hafnacycles.

135.

T. Beweries, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Eur. J. Inorg. Chem. 2009, 1456-1459. Synthesis of Hafnacyclopentanes from Hafnocene Alkyne Complexes: Influence of Styrene Substituents on the C-C Coupling Regioselectivity.

134.

T. Rahn, B. Appel, W. Baumann, H. Jiao, A. Börner, C. Fischer, P. Langer, Org. Biomol. Chem. 2009, 7, 1931-1938. Synthesis of chromones and 4-hydroxyquinolines based on uncatalyzed condensations of 1-methoxy-1,3-bis(trimethylsilyloxy)-1,3-butadiene with 2-alkoxy- and 2-nitrobenzoyl chlorides and related reactions.

133.

T. Beweries, C. Fischer, S. Peitz, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, D. Heller, U. Rosenthal, J. Am. Chem. Soc. 2009, 131, 4463-4469. Combination of Spectroscopic Methods: In situ NMR and UV/Vis Measurements to Understand the Formation of Group 4 Metallacyclopentanes from the Corresponding Metallacyclopropenes.

132.

M. Klahn, W. Baumann, P. Arndt, V. V. Burlakov, T. Schareina, A. Spannenberg, U. Rosenthal, Organometallics 2009, 28, 915-918. Synthesis and Characterization of Chiral Group 4 Metallocene Alkyne Complexes: (h⁵-menthyl-C₅H₄)₂M(h²-Me₃SiC₂SiMe₃), M = Ti, Zr.

131.

A. Preetz, W. Baumann, H.-J. Drexler, C. Fischer, J. Sun, A. Spannenberg, O. Zimmer, W. Hell, D. Heller, Chem. Asian J. 2008, 3, 1979-1982. Trinuclear Rhodium Complexes and Their Relevance for Asymmetric Hydrogenation.

130.

W. Baumann, A. Schulz, A. Villinger, Angew. Chem. 2008, 120, 9672-9675. Ein blaues homoleptisches Bismut-Stickstoff-Kation. Angew. Chem. Int. Ed. Engl. 2008, 47, 9530-9532. A Blue Homoleptic Bismuth-Nitrogen Cation.

129.

D. Selent, W. Baumann, K.-D. Wiese, A. Börner, J. Chem. Soc., Chem. Commun. 2008, 6203-6205. Diastereoisomeric bisphosphite ligands in the hydroformylation of octenes: rhodium catalysis and HP-NMR investigations.

128.

T. Beweries, V. V. Burlakov, S. Peitz, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics  2008, 27, 3954-3959. Synthesis and Reactions of Cp*₂Hf(h²-PhC₂SiMe₃) with Water and Carbon Dioxide.

127.

T. Schmidt, Z. Dai, H.-J. Drexler, W. Baumann, C. Jäger, D. Pfeifer, D. Heller, Chem. Eur. J. 2008, 14, 4469-4471; Novel Contribution to the Mechanisms of the Enantioselective Hydrogenation of Dimethyl Itaconate with Rhodium Complexes.

126.

W. Baumann, NMR Spectroscopic Methods. In: A. Börner (ed.), Phosphorus Ligands in Asymmetric Catalysis, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, 2008, pp. 1407-1432.

125.

T. Rahn, H. Jiao, W. Baumann, A. Spannenberg, P. Langer, Eur. J. Org. Chem. 2008, 971-974; Synthesis and Characterization of Cyclopropylpolyketides: A Combined Experimental and Theoretical Study.

124.

A. Preetz, H.-J. Drexler, C. Fischer, Z. Dai, A. Börner, W. Baumann, A. Spannenberg, R. Thede, D. Heller, Chem. Eur. J. 2008, 14, 1445-1451; Rhodium-Complex-Catalyzed Asymmetric Hydrogenation Transformation of Precatalysts into Active Species.

123.

T. Beweries, V. V. Burlakov, S. Peitz, M. A. Bach, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2007, 26, 6827-6832; Reactions of Decamethylhafnocene with 1,3-Butadiynes: Formation of Hafnacyclocumulenes and C-H Activation at Pentamethylcyclopentadienyl Ligands.

122.

M. A. Bach, T. Beweries, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2007, 26, 4592-4597; Migratory Insertion of an Isocyanide into 1-Zirconacyclopent-3-ynes

121.

T. Beweries, V. V. Burlakov, M. A. Bach, S. Peitz, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, B. Pathak, E. D. Jemmis, Angew. Chem. 2007, 119, 7031-7035; Tandem-Aktivierung von Si–C- und C–H-Bindungen bei Decamethylhafnocen und Bis(trimethylsilyl)acetylene. Angew. Chem. Int. Ed. Engl. 2007, 46, 6907-6910; Tandem Si—C und C—H Activation for Decamethylhafnocene and Bis(trimethylsilyl)acetylene.

120.

T. Beweries, U. Jäger-Fiedler, M. A. Bach, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannnenberg, U. Rosenthal, Organometallics 2007, 26, 3000-3004; Ring-Opening Reaction of Tetrahydrofuran versus Alkyne Complexation by Group 4 Metallocene Complexes Leading to General Consequences for Synthesis and Reactions of Metallocene Complexes.

119.

P. Arndt, V. V. Burlakov, U. Jäger-Fiedler, M. Klahn, A. Spannenberg, W. Baumann, U. Rosenthal, Collect. Czech. Chem. Commun. 2007, 72, 475-491; Reactions of Titanocene- and Zirconocene-bis(trimethylsilyl)acetylene Complexes with Selected Heterocyclic and Aromatic NH and OH Acid Compounds.

118.

U. Jäger-Fiedler, M. Klahn, P. Arndt, W. Baumann, A. Spannenberg, V. V. Burlakov, U. Rosenthal, J. Mol. Catal. A. 2007, 261, 184-189; Room-temperature catalytic hydrodefluorination of pentafluoro-pyridine by zirconocene fluoro complexes and diisobutylaluminumhydride.

117.

T. Beweries, V. V. Burlakov, M. A. Bach, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2007, 26, 247-249; Complexation of Bis(trimethylsilyl)acetylene by Decamethylhafnocene to Give the Hafnacyclopropene Cp*₂Hf(h²-Me₃SiC₂SiMe₃): An Unusually Strong Metal-Alkyne Interaction.

116.

T. Beweries, M. A. Bach, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2007, 26, 241-244; Synthesis of ansa-Dimethylsilanediyl-dicyclopentadienyl- zirconacyclopent-3-yne, Me₂Si(h⁵-C₅H₄)₂Zr(h⁴-H₂C₄H₂), and Its Reactions with Ni(0) and B(C₆F₅)₃.

115.

V. Bilenko, A. Spannenberg, W. Baumann, I. Komarov, A. Börner, Tetrahedron: Asymmetry 2006, 17, 2082-2087; New chiral monodentate phospholane ligands by highly stereoselective hydrophosphination.

114.

P. Arndt, U. Jäger-Fiedler, M. Klahn, W. Baumann, A. Spannenberg, V. V. Burlakov, U. Rosenthal, Angew. Chem. 2006, 118, 4301-4304; Die Bildung von Zirconocenfluoriden – keine Desaktivierung in der Olefinpolymerisation mit den Kontaktionenpaar- Katalysatoren [Cp'₂ZrR]⁺[RB(C₆F₅)₃]^–_. Angew. Chem. Int. Ed. Engl. 2006, 45, 4195-4198; Formation of Zirconocene Fluoro Complexes: No Deactivation in the Polymerization of Olefins by the Contact-Ion-Pair Catalysts [Cp'₂ZrR]⁺[RB(C₆F₅)₃]^–_.

113.

J. Holz, O. Zayas, H. Jiao, W. Baumann, A. Spannenberg, A. Monsees, T. H. Riermeier, J. Almena, R. Kadyrov, A. Börner, Chem. Eur. J. 2006, 12, 5001-5013; A Highly Tunable Family of Chiral Bisphospholanes for Rh-Catalyzed Enantioselective Hydrogenation Reactions.

112.

V. V. Burlakov, M. A. Bach, M. Klahn, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Macromol. Symp. 2006, 236, 48-53; Activation of Metallocyclopropenes, five-membered Metallacyclocumulenes and Metallacyclopentynes of Zirconium with ⁱBu₂Al.

111.

V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2006, 25, 1317-1320; Simple Functionalizations of Pentamethylcyclopentadienyl Ligands by Reactions of Decamethylzirconocene Complexes with Carbon Dioxide.

110.

L. I. Strunkina, M. Kh. Minacheva, K. A. Lyssenko, V. V. Burlakov, W. Baumann, P. Arndt, B. N. Strunin, V. B. Shur, J. Organomet. Chem. 2006, 691, 557-565; Interaction of titanium(III) zwitterionic complex Cp[η⁵-C₅H₄B(C₆F₅)₃]Ti with organic halides: Synthesis and X-ray crystal structure determination of zwitterionic titanocene monohalides Cp[η⁵-C₅H₄B(C₆F₅)₃]TiX (X = Cl, Br) and their catalytic activity in the ring-opening polymerization of ε-caprolactone.

109.

V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2006, 25, 519-522; Simple Alumination Reactions of Pentamethylcyclopentadienyl Ligands in the Decamethylziroconocene-Bis(trimethylsilyl)acetylene Complex Cp*₂Zr(η²-Me₃SiC₂SiMe₂).

108.

U. Jäger-Fiedler, P. Arndt, W. Baumann, A. Spannenberg, V. V. Burlakov, U. Rosenthal, Eur. J. Inorg. Chem. 2005, 2842-2849; Reactions of Zirconocene Bis(trimethylsilyl)acetylene Complexes with Fluorinated Pyridines: C-H vs. C-F Bond Activation.

107.

M. A. Bach, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2005, 24, 3047-3052; Nickel(0) Complexes of 1-Zirconacyclopent-3-yne.

106.

M. A. Bach, T. Beweries, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, W. Bonrath, Organometallics 2005, 24, 5916-5918; Reactions of 1-Titana- and 1-Zirconacyclopent-3-ynes with Tris(pentafluorophenyl)borane.

105.

T. Schmidt, W. Baumann, H.-J. Drexler, A. Arrieta, D. Heller, H. Buschmann, Organometallics 2005, 24, 3824-3848; About the Crystal Structure of [Rh((S,S)-DIPAMP-((Z)-2-benzoylamino-3-(3,4-dimethoxyphenyl)-methyl Acrylate)]BF₄: Major or Minor Catalyst–Substrate Complex?.

104.

H.-J. Drexler, W. Baumann, T. Schmidt, S. Zhang, A. Sun, A. Spannenberg, C. Fischer, H. Buschmann, D. Heller, Angew. Chem. 2005,117, 1208-1212; Werden β-Acylaminoacrylate in gleicher Weise wie α-Acylaminoacrylate hydriert?. Angew. Chem., Int. Ed. Engl. 2005, 44, 1184-1188; Are α-Acylaminoacrylates Hydrogenated in the Same Way as β-Acylaminoacrylates?.

103.

U. Rosenthal, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, Organometallics 2005, 24, 456-471; Five-Membered Titana- and Zirconacyclocumulenes: Stable 1-Metallacyclopenta-2,3,4-trienes.

102.

V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2004, 23, 5188-5192; Reactions of Five-Membered Zirconacyclocumulenes with Tris(pentafluorophenyl)borane: Carbon-Carbon Double Bond Cleavage and Formation of Novel Zwitterionic Complexes.

101.

U. Rosenthal, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, V. B. Shur, Eur. J. Inorg. Chem. 2004, 4739-4749; Bis(trimethylsilyl)acetylene Complexes of Titanocenes and Zirconocenes: Their Recent Chemistry and Reactions with Lewis Acids.

100.

A. Spannenberg, P. Arndt, W. Baumann, V. V. Burlakov, U.. Rosenthal, S. Becke, T. Weiß, Organometallics 2004, 23, 3819-3825; Novel Synthesis of Zirconocene Difluoride and Alkyl Monofluoride Complexes.

99.

P. Arndt, A. Spannenberg, W. Baumann, V. V. Burlakov, U. Rosenthal, S. Becke, T. Weiß,
Organometallics 2004, 23, 4792-4795; Reactions of Zirconocene 2-Vinylpyridine Complexes with Diisobutylaluminum Hydride and Fluoride.

98.

V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, P.Parameswaran, E. D. Jemmis, J. Chem. Soc., Chem. Commun. 2004, 2074-2075; Reduction of 1,4-dichlorobut-2-yne by titanocene to a 1,2,3-butatriene. Formation of a 1-titanacyclopent-3-yne and a 2,5-dititanabicyclo[2.2.0]hex-1(4)-ene.

97.

V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2004, 23, 4160-4165; Reactions of Five-Membered Zirconacyclocumulenes with Diisobutylaluminum Hydride.

96.

D. Gördes, A. Jacobi von Wangelin, S. Klaus, H. Neumann, D. Strübing, S. Hübner, H. Jiao, W. Baumann, M. Beller, Org. Biomol. Chem. 2004, 2, 845-851; From a spin-off to the advantageous use in Diels–Alder reactions: a combined synthetic, spectroscopic and computational approach to N-(dienyl)acylamines.

95.

D. Selent, W. Baumann, R. Kempe, A. Spannenberg, D. Röttger, K.-D. Wiese, A. Börner, Organometallics 2003, 22, 4265-4271; Reactions of a Hydroxy Phosphonite Ligand in the Coordination Sphere of Rhodium(I).

94.

A. Spannenberg, P. Arndt, W. Baumann, U. Rosenthal, J. Organomet. Chem. 2003, 683, 261-266; The molecular structure of Cr[(CH₂)₂PMe₂]₃: dimethylphosphonium-bis-methylide chromium compounds as inner phosphonium-alkyl-ate or 2-phospha-allyl-complexes?.

93.

H.-J. Drexler, J. You, S. Zhang, C. Fischer, W. Baumann, A. Spannenberg, D. Heller, Org. Proc. Res. Devel. 2003, 7, 355-361; Chiral β-Amino Acid Derivatives via Asymmetric Hydrogenation.

92.

V. V. Burlakov, A. V. Letov, P. Arndt, W. Baumann, A. Spannenberg, Ch. Fischer, L. I. Strunkina, M. Kh. Minacheva, Ya. S. Vygodskii, U. Rosenthal, V. B. Shur, J. Mol. Catal. A 2003,  200, 63-67; Zwitterionic titanoxanes {Cp[η⁵-C₅H₄B(C₆F₅)₃]Ti}₂O and {(η⁵-ⁱPrC₅H₄)[η⁵-1,3-ⁱPrC₅H₃B(C₆F₅)₃]Ti}₂O as catalysts for cationic ring-opening polymerization.

91.

U. Sundermeier, C. Döbler, G. M. Mehltretter, W. Baumann, M. Beller, Chirality 2003, 15, 127-134; Synthesis of 9-N-Cinchona Alkaloid Peptide Hybrid Derivatives: Preparation and Conformational Study of 9-N-Acylamino(9-deoxy)cinchona Alkaloids.

90.

P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, V. V. Burlakov, V. B. Shur, Angew. Chem. 2003, 115, 1455-1458; Reaktionen von Titan- und Zirconiumkomplexen des Bis(trimethylsilyl)acetylens mit Tris(pentafluorphenyl)boran: ein Titan(III)-Komplex eines Alkinylboranats. Angew. Chem., Int. Ed. Engl. 2003,42, 1414-1418; Reactions of Titanium and Zirconium Derivatives of Bis(trimethylsilyl)acetylene with Tris(pentafluorophenyl)borane: A Titanium(III) Complex of an Alkynylboranate.

89.

U. Rosenthal, P. Arndt, W. Baumann, V. V. Burlakov, A. Spannenberg, J. Organomet. Chem. 2003, 670, 84-96; Titanocene and zirconocene σ-alkynyl complexes in C–C single bond coupling and cleavage reactions.

88.

U. Rosenthal, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, Organometallics 2003, 22, 884-900; The Titanocene Complex of Bis(trimethylsilyl)acetylene – Synthesis, Structure, and Chemistry.

87.

H. Noss, W. Baumann, R. Kempe, T. Irrgang, A. Schulz, Inorg. Chim. Acta 2003, 345, 130-136; Concerning the question of f- and d-electron interactions in heterodinuclear compounds: synthesis, structure and ¹⁰³Rh NMR investigations of La–Rh-bimetallics.

86.

I. V. Komarov, A. Monsees, A. Spannenberg, W. Baumann, U. Schmidt, C. Fischer, A. Börner, Eur. J. Org. Chem. 2003, 138-150; Chiral Oxo- and Oxy-Functionalized Diphosphane Ligands Derived from Camphor for Rhodium(I)-Catalyzed Enantioselective Hydrogenation.

85.

M. Beller, A. Krotz, W. Baumann, Adv. Synth. Catal. 2002, 344, 517-524; Palladium-catalyzed methoxycarbonylation of 1,3-butadiene.

84.

A. Spannenberg, V. V. Burlakov, P. Arndt, W. Baumann, V. B. Shur, U. Rosenthal, Z. Kristallogr. NCS 2002, 217, 546-548; Crystal Structure of [1,2-ethylene-1,1'-bis(η⁵-tetrahydroindenyl)][hydroxytris(pentafluorophenyl)borato]titanium(III), C₃₈H₂₄BF₁₅OTi.

83.

D. Heller, H.-J. Drexler, J. You, W. Baumann, K. Drauz, H.-P. Krimmer, A. Börner, Chem. Eur. J. 2002, 8, 5196-5203; On the Enantioselective Hydrogenation of Isomeric Methyl 3-Acetamidobutenoates with Rh^I Complexes.

82.

D. Magiera, W. Baumann, I. S. Podkorytov, J. Omelanczuk, H. Duddeck, Eur. J. Inorg. Chem. 2002, 3252-3257; Stable Rh₂(MTPA)₄ Adducts – The First Example of P-Chirality Recognition by ¹⁰³Rh NMR Spectroscopy.

81.

H. Sun, V. V. Burlakov, A. Spannenberg, W.Baumann, P. Arndt, U. Rosenthal, Organometallics 2002, 21, 3360-3366; Reactions of Zirconocene–Alkyne Complexes with Polar Functionalized Olefins.

80.

H. Sun, A. Spannenberg, V. V. Burlakov, W. Baumann, P. Arndt, U. Rosenthal, Z. Kristallogr. NCS 2002, 217, 237-238; Crystal Structure of dimeric bis(tetrahydroindenyl)-2-trimethylsilyl-3-trimethylsiloxacarbonyl-zirconafuran-4-one, C₅₆H₈₀O₈Si₄Zr_2.

79.

C. Kunze, D. Selent, I. Neda, M. Freytag, P. G. Jones, R. Schmutzler, W. Baumann, A. Börner, Z. Anorg. Allg. Chem. 2002, 628, 779-787; Calix[4]arene-based Bis-phosphonites, Bis-phosphites, and Bis-O-acyl-phosphites as Ligands in the Rhodium(I)-catalyzed Hydroformylation of 1-Octene.

78.

H. Neumann, A. Jacobi von Wangelin, D. Gördes, A. Spannenberg, W. Baumann, M. Beller, Tetrahedron 2002, 58, 2381-2387; Multi-component coupling reactions of aldehydes and amides with maleic anhydride: synthesis of 7-oxo-6-azabicyclio[3.2.1]oct-2-ene-8-carboxylic acids.

77.

A. Spannenberg, W. Baumann, S. Becke, U. Rosenthal, Organometallics 2002, 21, 1512-1514; Five-Membered Titanacyclocumulenes that Contain Linked Amido–Cyclopentadienyl Ligands.

76.

D. Heller, H.-J. Drexler, A. Spannenberg, B. Heller, J. You, W. Baumann, Angew. Chem. 2002, 114, 814-817; Zum inhibierenden Einfluss aromatischer Lösungsmittel auf die Katalysatoraktivität asymmetrischer Hydrierungen. Angew. Chem., Int. Ed. Engl. 2002, 41, 777-780; The inhibiting influence of aromatic solvents on the activity of asymmetric hydrogenations.

75.

H. Sun, V. V. Burlakov, A. Spannenberg, W. Baumann, P. Arndt, U. Rosenthal, Organometallics 2001, 20, 5472-5477; Synthesis and Structural Investigation of Stable Zirconacyclopentanes Which Bear Additional Functional Groups.

74.

F. G. Kirchbauer, P.-M. Pellny, H. Sun, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, Organometallics 2001, 20, 5289-5296; Synthesis and Reactions with Carbon Dioxide of Mono(σ-alkynyl) Titanocene(III) Complexes Cp*₂Ti(C≡CR) (R = Me, t-Bu) and the Corresponding “Ate” Complexes [Cp*₂Ti(C≡CR)₂Li(THF)_n] (R = SiMe₃, t-Bu, Ph).

73.

P. Arndt, A. Spannenberg, W. Baumann, S. Becke, U. Rosenthal, Eur. J. Inorg. Chem. 2001, 2885-2890; Bimetallic Titanocene or Zirconocene/Aluminium Complexes as Active Catalysts in Lactone Polymerization Reactions.

72.

V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, A. V. Letov, K. A. Lyssenko, A. A. Korlyukov, L. I. Strunkina, M. Kh. Minacheva, V. B. Shur, Organometallics 2001, 20, 4072-4079; Synthesis and X-ray Crystal Structure Determination of New Zwitterionic Complexes of Titanocene.

71.

H.-J. Drexler, W. Baumann, A. Spannenberg, C. Fischer, D. Heller, J. Organomet. Chem. 2001, 621, 89-102; Part III. COD versus NBD precatalysts. Dramatic difference in the asymmetric hydrogenation of prochiral olefins with five-membered diphosphine Rh-hydrogenation catalysts.

70.

Robert Choukroun*, Bruno Donnadieu, Christian Lorber, Paul-Michael Pellny, Wolfgang Baumann, Uwe Rosenthal, Chem. Eur. J. 2000, 6, 4505-4509; [Cp₂V] Migration along an Octatetrayne Chain: From the Monometallic Complex [Cp₂V(3-4η-tBuC≡C–C₂–C≡CC≡CtBu)] to the Dimetallic Complex [(Cp₂V)₂(1-2η:7-8η-tBuC₂–C≡CC≡C–C₂tBu)].

69.

A. Spannenberg,, W. Baumann, U. Rosenthal, Organometallics 2000, 19, 3991-3993;
Palladium(II) Complexes of α-Stabilized Phosphorus Ylides.

68.

A. Spannenberg, W. Baumann, U. Rosenthal, Appl. Organomet. Chem. 2000, 14, 611-615; Early transition-metal complexes of α-keto-stabilized phosphorus ylides.

69.

P.-M. Pellny, V. V. Burlakov, P. Arndt, W. Baumann, A. Spannenberg, U. Rosenthal, J. Am. Chem. Soc. 2000, 122, 6317-6318; Reaction of Hexatriynes with Permethyltitanocene and –zirconocene Complexes: First NMR Observation of a Metallocene Sliding along a Polyyne Chain.

66.

W. Baumann, P.-M. Pellny, U. Rosenthal, Magn. Reson. Chem. 2000, 38, 515-519; Dynamic NMR study of a 1,3-diyne bridged dinuclear bis(cyclopentadienyl)titanium complex: understanding the C–C single bond metathesis reaction.

65.

P.-M. Pellny, V. V. Burlakov, W. Baumann, A. Spannenberg, M. Horácek, P. Štepnicka, K. Mach, U. Rosenthal, Organometallics 2000, 19, 2816-2819; Facile Functionalizations of Permethyltitanocene Dichloride to Chiral Persubstituted Titanocene Complexes.

64.

P.-M. Pellny, N Peulecke, V V. Burlakov, W Baumann, A Spannenberg, U Rosenthal, Organometallics 2000, 19, 1198-1200; Reactions of Tetraalkynylsilanes (RC≡C)₄Si (R = Ph, ^tBu, SiMe₃) with Titanocene and Zirconocene Complexes.

63.

V. V. Burlakov, P.-M. Pellny, P. Arndt, W. Baumann, A. Spannenberg, V. B. Shur, U.Rosenthal, J. Chem. Soc. Chem. Commun. 2000, 241-242; Reactions of permethylmetallocene alkyne complexes of titanium and zirconium with tris(perfluorphenyl)borane.

62.

D. Heller, H.-J. Drexler, C. Fischer, H. Buschmann, W. Baumann, B. Heller, Angew. Chem. 2000, 112, 505-509; Angew. Chem., Int. Ed. Engl. 2000, 39, 495-499; Wie lange kennen wir schon nichtlineare Effekte in der Katalyse?.

61.

P.-M. Pellny, F. G. Kirchbauer, V. V. Burlakov, W. Baumann, A. Spannenberg, U. Rosenthal, Chem. Eur. J. 2000, 6, 81-90; Different C–C Coupling Reactions of Permethyltitanocene and Permethylzirconocene with Disubstituted 1,3-Butadiynes.

60.

H.-J. Kreuzfeld, C. Döbler, C. Fischer, W. Baumann, Amino Acids 1999, 17, 369-376; Synthesis of non-proteinogenic dipeptides by asymmetric hydrogenation.

59.

M.Horácek, P. Štepnicka, R. Gyepes, I. Císarová, M., Polášek, K. Mach, P.-M.Pellny, V. V. Burlakov, W. Baumann, A. Spannenberg, U. Rosenthal, J. Am. Chem. Soc. 1999, 121, 10638-10639; Novel Addition Reactions of 2,2,7,7,-Tetramethyl-3,5-octadiyne to the Methyl Groups of a η⁵-Pentamethylcyclopentadienyl Ligand.

58.

P.-M. Pellny, F. G. Kirchbauer, V. V. Burlakov, W. Baumann, A. Spannenberg, U. Rosenthal, J. Am. Chem. Soc. 1999, 121, 8313-8323; Reactivity of Permethylzirconocene and Permethyltitanocene toward disubstituted 1,3-Butadiynes: η⁴- vs. η²-Complexation or C–C Coupling with the Permethyltitanocene.

57.

P.-M. Pellny, V. V. Burlakov, W. Baumann, A. Spannenberg, R. Kempe, U. Rosenthal, Organometallics 1999, 18, 2906-2909; Novel Ti₆, Zr₃, and Zr₆ Complexes from Branched Polyynes and Titanocene als Well as Zirconocene.

56.

P.-M. Pellny, V. V. Burlakov, W. Baumann, A. Spannenberg, U. Rosenthal, Z. anorg. allg. Chem. 1999, 625, 910-918; The Influence of the Ligands Cp* (η⁵-C₅Me₅) and Cp (η⁵-C₅H₅) on the Stability and Reactivity of Titanocene and Zirconocene Complexes: Reactions of the Bis(trimethylsilyl)acetylene Permethylmetallocene Complexes (η⁵-C₅Me₅)₂M(η²-Me₃SiC₂SiMe₃), M = Ti, Zr, with H₂O and CO_2.

55.

M. Bühl, W. Baumann, R. Kadyrov, A. Börner, Helv. Chim. Acta 1999, 82, 811-820; Variable Coordination Modes Realized with a Dihydroxyalkyldiphosphane as a Hemilabile Ligand: A Combined ¹⁰³Rh-NMR and Density-Functional Study.

54.

S. Borns, R. Kadyrov, D. Heller, W. Baumann, J. Holz, A. Börner, Tetrahedron: Asymmetry 1999, 10, 1425-1431; Counter-ligand and solvent dependent oxygen-metal interactions of hemilabile coordinating hydroxy groups in chiral diphosphine rhodium(I) hydrogenation catalysts.

53.

P.-M. Pellny, V. V. Burlakov, N. Peulecke, W. Baumann, A. Spannenberg, R. Kempe, V. Francke, U. Rosenthal, J. Organomet. Chem. 1999, 578, 125-132; Dimerization of titanacyclocumulenes to titanium substituted radialenes: synthesis, stability and reactions of five-membered titanacyclocumulenes with a coupling of two 1,4-diphenyl-1,3-butadiyne between to titanocene molecules to radialene-like fused titanacyclopentadiene compounds.

52.

W. Leitner, M. Bühl, R. Fornika, C. Six, W. Baumann, E. Dinjus, M. Kessler, C. Krüger, A. Rufinska, Organometallics 1999, 18, 1169-1206; ¹⁰³Rh Chemical Shifts in Complexes Bearing Chelating Bidentate Phosphine Ligands.

51.

F. Lunzer, C. Marschner, B. Winkler, N. Peulecke, W. Baumann, U. Rosenthal, Monatsh. Chem. 1999, 130, 215-219; Group IV Bis(trimethylsilyl)acetylene Complexes as Catalysts in the Dehydrocoupling Polymerization of 1,2-Disubstituted Hydrosilanes.

50.

A. Spannenberg, H. Fuhrmann, P. Arndt, W. Baumann, R. Kempe, Angew. Chem. 1998, 110, 3565-3567; Neuartige Amidoniobkomplexe mit funktioneller Verwandtschaft zum [Cp₂ZrR]⁺-Ion. Angew. Chem. Int. Ed. Engl. 1998, 37, 3363-3365; Novel Amidoniobium Complexes with a Functional Relationship to the [Cp₂ZrR]⁺ Ion.

49.

D. Thomas, N. Peulecke, V. V. Burlakov, W. Baumann, A. Spannenberg, R. Kempe, U. Rosenthal, Eur. J. Inorg. Chem. 1998, 1495-1502; Untypical Regioselectivity of Carbon Dioxide Coupling with Titanocene Complexes of Phenyl(trimethylsilyl)acetylene by Using the meso-1,2-Ethylene-1,1'-bis(η⁵-tetrahydroindenyl) Ligand System.

48.

S. Borns, R. Kadyrov, D. Heller, W. Baumann, A. Spannenberg, R. Kempe, J. Holz, A. Börner, Eur. J. Inorg. Chem. 1998, 1291-1295; Catalytic and Structural Features of Hydroxy and Methoxy Groups as Hemilabile Coordinating Ligands in Chiral (Diphosphane)rhodium(I) Hydrogenation Catalysts.

47.

N. Peulecke, A. Ohff, P. Kosse, A. Tillack, A. Spannenberg, R. Kempe, W. Baumann, V. V. Burlakov, U. Rosenthal, Chem. Eur. J. 1998, 4, 1852-1861; Si–H Activation in Titanocene and Zirconocene Complexes of Alkynylsilanes RC≡CSiMe₂H (R = ^tBu, Ph, SiMe₃, SiMe₂H): A Model To Understand Catalytic Reactions of Hydrosilanes.

46.

K. Junge, E. Popowski, R. Kempe, W. Baumann, Z. anorg. allg. Chem. 1998, 624, 1369-1375; Lithiumhydridosilylamide R₂(H)SiN(Li)R' – Darstellung, Eigenschaften und Kristallstrukturen.

45.

S. Pulst, F. G. Kirchbauer, B. Heller, W. Baumann, U. Rosenthal, Angew. Chem. 1998, 110, 2029-2031; Angew. Chem. Int. Ed. Engl. 1998, 37, 1925-1927; Erste C–C-Einfachbindungs-Metathese in homogener Lösung: titanocenvermittelte und photokatalysierte Spaltung und Rekombination disubstituierter Butadiine.

44.

D. Thomas, W. Baumann, A. Spannenberg, R. Kempe, U. Rosenthal, Organometallics 1998, 17, 2096-2102; Zirconocene and rac-[1,2-Ethylene-1,1'-bis(η⁵-tetrahydroindenyl)]zirconium complexes of 2-Vinylpyridine: Syntheses, X-ray Crystal Structures, and Reactions with H₂C=CH₂, H₂O, HBF₄, and CO₂.

43.

D. Thomas, N. Peulecke, V. V. Burlakov, B. Heller, W. Baumann, A. Spannenberg, R. Kempe, U. Rosenthal, R. Beckhaus, Z. anorg. allg. Chem. 1998, 624, 919-924; Katalysatordesaktivierungen bei der Acetylen-Polymerisation mit Titanocen- bzw. Zirconocen-Komplexen des Bis(trimethylsilyl)acetylens.

42.

N. Peulecke, W. Baumann, R. Kempe, V. V. Burlakov, U. Rosenthal, Eur. J. Inorg. Chem. 1998, 419-424; Stability of Bridged and Unbridged η²-Alkyne-titanocene and -zirconocene Complexes – Influence of Metals, Alkyne Substituents, Cp Substitution and Additional Ligands.

41.

R. Beckhaus, M. Wagner, V. V. Burlakov, W. Baumann, N. Peulecke, A. Spannenberg, R. Kempe, U. Rosenthal, Z. anorg. allg. Chem. 1998, 624, 129-134; Terminal Alkynes in the Coordination Sphere of Titanocene Complexes - Elementary Steps in Catalytic Dimerizations and Oligomerizations of Alkynes.

40.

P.-M. Pellny, N. Peulecke, V. V. Burlakov, A. Tillack, W. Baumann, A. Spannenberg, R. Kempe, U. Rosenthal, Angew. Chem. 1997, 109, 2728-2730; Angew. Chem. Int. Ed. Engl. 1997, 36, 2615-2617; Doppelte C–C-Einfachbindungsaktivierung und -spaltung bei der Umsetzung von Octatetrainen mit Titanocen- und Zirconocenkomplexen.

39.

S. Kainz, D. Koch, W. Baumann, W. Leitner, Angew. Chem. 1997, 109, 1699-1701; Angew. Chem. Int. Ed. Engl. 1997, 36, 1628; Perfluoralkylsubstituierte Arylphosphane als Liganden für die homogene Katalyse in überkritischem Kohlendioxid.

38.

W. Baumann, S. Mansel, D. Heller, S. Borns, Magn. Reson. Chem. 1997, 35, 701-708; Gas Bubbles in the NMR tube: an Easy Way to Investigate Reactions with Gases in the Liquid Phase.

37.

V. V. Burlakov, N. Peulecke, W. Baumann, A. Spannenberg, R. Kempe, U. Rosenthal, J. Organomet. Chem. 1997, 536-537, 293-297; Reactions of the phenyl-substituted five-membered titanacyclocumulene – unusual coupling of a 1,4-disubstituted 1,3-butadiyne with two titanium atoms.

36.

N. Peulecke, D. Thomas, W. Baumann, C. Fischer, U. Rosenthal, Tetrahedron Lett. 1997, 38, 6655-6656; Dehydrocoupling of Silanes Catalyzed by Zirconocene- and Titanocene Alkyne Complexes.

35.

S. Mansel, D. Thomas, C. Lefeber, D. Heller, R. Kempe, W. Baumann, U. Rosenthal, Organometallics 1997, 16, 2886-2890; Stable rac-[1,2-Ethylene-1,1'-bis(η⁵-tetrahydroindenyl)]zirconacyclopentanes. Syntheses, X-ray Crystal Structures, Stability, and Catalysis of Ethylene Polymerization.

34.

A. Tillack, S. Pulst, W. Baumann, H. Baudisch, K. Kortus, U. Rosenthal, J. Organomet. Chem. 1997, 532, 117-123; Hydrosilylierung von symmetrisch disubstituierten Alkinen und Butadiinen mit L₂Ni(0)-Butadiin-Komplexen  [L = Ph₃P, (o-Tol-O)₃P] als Katalysatoren.

33.

K. Angermund, W. Baumann, E. Dinjus, R. Fornika, H. Görls, M. Kessler, C. Krüger, W. Leitner, F. Lutz, Chem. Eur. J. 1997, 3, 755-764; Complexes [(P₂)Rh(hfacac)] as Model Compounds for the Fragment [(P₂)Rh] and as Highly Active Catalysts for CO₂ Hydrogenation: The Accessible Molecular Surface (AMS) Model as an Approach to Quantifying the Intrinsic Steric Properties of Chelating Ligands in Homogeneous Catalysis.

32.

V. V. Burlakov, N. Peulecke, W. Baumann, A. Spannenberg, R. Kempe, U. Rosenthal, Collect. Czech. Chem. Commun. 1997, 62, 331-336; Some Reactions of the Products of Reactions of 1,4-Bis(trimethylsilyl)-1,3-butadiyne with Titanocene and Zirconocene.

31.

A. Kless, C. Lefeber, A. Spannenberg, R. Kempe, W. Baumann, J. Holz, A. Börner, Tetrahedron 1996, 52, 14599-14606; The First Chiral Early-Late Heterobimetallic Complex – A Titanium(IV)-Palladium(II) Complex Based on Salenophos.

30.

C. Lefeber, W. Baumann, A. Tillack, R. Kempe, H. Görls, U. Rosenthal, Organometallics 1996, 15, 3486-3490; rac-[1,2-Ethylene-1,1'-bis(η⁵-tetrahydroindenyl)][η²-bis(trimethylsilyl)acetylene]zirconium, the First Zirconocene-Alkyne Complex without Additional Ligands: Synthesis, Reactions, and X-ray Crystal Structure.

29.

A. Ohff, R. Kempe, W. Baumann, U. Rosenthal, J. Organomet. Chem. 1996, 520, 241-244; 1997, 532, 281; Reaktion eines Titanocen-Alkin-Komplexes mit Trialkylammoniumtetraphenylborat – eine neue Darstellungsweise und erste Kristallstrukturanalyse von neutralligandhaltigen kationischen Titanocen(III)-Komplexen [{Cp₂Ti(L)₂⁺}{BPh₄^–}].

28.

N. Peulecke, A. Ohff, W. Baumann, R. Kempe, V. V. Burlakov, U. Rosenthal, J. Organomet. Chem. 1996, 520, 235-239; Influence of solvents on the insertion of methacrolein into zirconacyclopropenes.

27.

A. Tillack, W. Baumann, A. Ohff, C. Lefeber, A. Spannenberg, R. Kempe, U. Rosenthal, J. Organomet. Chem. 1996, 520, 187-193; Intramolekulare Cyclisierung von terminal disubstituierten α,ω-Diinen an Titanocen "Cp₂Ti" mit einer nachfolgenden, ungewöhnlichen Cp-Ringöffnung und neuen intramolekularen C–C-Knüpfung.

26.

N. Peulecke, C. Lefeber, A. Ohff, W. Baumann, A. Tillack, R. Kempe, V. V. Burlakov, U. Rosenthal, Chem. Ber. 1996, 129, 959-962; ansa-Titanocene and -Zirconocene η²-Alkyne Complexes - Synthesis, Spectral Characteristics, and X-ray structure.

25.

S. Pulst, P. Arndt, B. Heller, W. Baumann, R. Kempe, U. Rosenthal, Angew. Chem. 1996, 108, 1175-1178; Nickel(0)-Komplexe fünfgliedriger Titana- und Zirconacyclocumulene als Zwischenstufen in der C–C-Bindungsspaltung disubstituierter Butadiine.

24.

W. Baumann, A. Ohff, M. Ebener, Helv. Chim. Acta 1996, 79, 454-460, 1239; Ring-Opening Reaction of a Dihydrozirconafuran (= 2,5-Dihydro-1,2-oxazirconole): An Equilibrium Studied by NMR Methods, and Its Chemical Consequences.

23.

N. Peulecke, A. Ohff, A. Tillack, W. Baumann, R. Kempe, V. V. Burlakov, U. Rosenthal, Organometallics 1996, 15, 1340-1344; Reactions of the Zirconocene Complexes of Bis(trimethylsilyl)acetylene with Formaldehyde, Benzaldehyde, and Benzophenone.

22.

D. Heller, S. Borns, W. Baumann, R. Selke, Chem. Ber. 1996, 129, 85-89; Kinetic Investigations of the Hydrogenation of Diolefin Ligands in Catalyst Precursors for the Asymmetric Reduction of Prochiral Olefins, II.

21.

U. Rosenthal, C. Lefeber, P. Arndt, A. Tillack, W. Baumann, R. Kempe, V. V. Burlakov, J. Organomet. Chem. 1995, 503, 221-223; Intramolekulare Insertion eines η⁵-Cyclopentadienyl-Ringes in einem Bis-η⁵-Cyclopentadienyltitanacyclopentadien.

20.

A. Ohff, P. Kosse, W. Baumann, A. Tillack, R. Kempe, H. Görls, V. V. Burlakov, U. Rosenthal, J. Am. Chem. Soc. 1995, 117, 10399-10400; Novel trans-η²-Alkyne Complexes of Titanocene with Strong Si-H-Ti Interactions. Synthesis, Spectral Characteristics, and X-ray Crystal Structure.

19.

C. Lefeber, A. Ohff, A. Tillack, W. Baumann, R. Kempe, V. V. Burlakov, U. Rosenthal, H. Görls, J. Organomet. Chem. 1995, 501, 179-188; Regioselektive Reaktionen der fremdligandfreien Titanocen-Alkin-Komplexe Cp₂Ti(RC₂SiMe₃) (R = Me₃Si, Ph, ^tBu, ⁿBu).

18.

C. Lefeber, A. Ohff, A. Tillack, W. Baumann, R. Kempe, V. V. Burlakov, U. Rosenthal, J. Organomet. Chem. 1995, 501, 189-194; Darstellung und regioselektive Reaktionen des phosphinfreien Zirconocen-Alkin-Komplexes Cp₂Zr(THF)(^tBuC₂SiMe₃).

17.

V. V. Burlakov, A. Ohff, C. Lefeber, A. Tillack, W. Baumann, R. Kempe, U. Rosenthal, Chem. Ber. 1995, 128, 967-971; The First Titanacyclic Five-Membered Cumulene. Synthesis, Structure, and Reactivity.

16.

C. Lefeber, P. Arndt, A. Tillack, W. Baumann, R. Kempe, V. V. Burlakov, U. Rosenthal, Organometallics 1995, 14, 3090-3093; Reactions of the Schiff Bases HN=CPh₂ and PhN=CHPh with Titanocene- and Zirconocene-Generating Complexes.

15.

S. Pulst, P. Arndt, W. Baumann, A. Tillack, R. Kempe, U. Rosenthal, J. Chem. Soc. Chem. Commun. 1995, 1753-1754; Formation of the First Heterobimetallic Phosphido-bridged σ-π-Acetylide Complex [(C₅H₅)₂Ti(µ-σ,η²-C≡CPh)(µ-PPh₂)Ni(PPh₃)] by Cleavage of the Central C–C Single Bond in PhC≡C–C≡CSiMe₃ and of the P–C Bond in Ph₃P, and Coupling of the Fragments to PhC≡CSiMe₃.

14.

A. Börner, A. Kless, R. Kempe, D. Heller, J. Holz, W. Baumann, Chem. Ber. 1995, 128, 767-773; β-Alkoxy- and β-Hydroxyalkylphosphanes as Ligands in the Stereoselective Hydrogenation – A Comparison.

13.

U. Rosenthal, S. Pulst, P. Arndt, A. Ohff, A. Tillack, W. Baumann, R. Kempe, V. V. Burlakov, Organometallics 1995, 14, 2961-2968;Heterobimetallic σ,π-Acetylide-Bridged Complexes from Disubstituted 1,3-Butadiynes.

12.

W. Baumann, Y. Oprunenko, H. Günther, Z. Naturforsch. 1995, 50a, 429-438; Dynamic Behaviour of Tetramethylethylene Diamine (TMEDA) Ligands in Solid Organolithium Compounds: A Variable Temperature ¹³C and ¹⁵N CP/MAS NMR Study.

11.

U. Rosenthal, S. Pulst, P. Arndt, W. Baumann, A. Tillack, R. Kempe, Z. Naturforsch. 1995, 50b, 377-384; Zum Substituenteneinfluß in neuen Ni(0)-Butadiin-Komplexen.

10.

U. Rosenthal, S. Pulst, P. Arndt, W. Baumann, A. Tillack, R. Kempe, Z. Naturforsch. 1995, 50b, 368-376; Zum Ligandeinfluß in neuen Ni(0)-Komplexen disubstituierter Butadiine.

9.

A. Börner, A. Kless, J. Holz, W. Baumann, A. Tillack, R. Kadyrov, J. Organomet. Chem. 1995, 490, 213-219; Zur Komplexierung von enantiomerenreinen cis- und trans-3-Diphenylphosphino-4-hydroxy-tetrahydrofuranen mit [Rh(cod)₂]BF_4.

8.

G. Maas, R. Rahm, D. Mayer, W. Baumann, Organometallics 1995, 14, 1061-1066; Charge Dispersal in Iminium-Substituted Alkynes: Synthesis, Spectral Characterisation, and Crystal Structure Determination of a Co₂(CO)₆-Complexed Propyne Iminium Salt and Structural Comparison with Its Uncomplexed Counterpart.

7.

U. Rosenthal, A. Ohff, W. Baumann, A. Tillack, H. Görls, V. V. Burlakov, V. B. Shur, Z. anorg. allg. Chem. 1995, 621, 77-83; Struktur, Eigenschaften und NMR-spektroskopische Charakterisierung von Cp₂Zr(Pyridin)(Me₃SiC≡CSiMe₃).

6.

U. Rosenthal, A. Ohff, W. Baumann, A. Tillack, H. Görls, V. V. Burlakov, V. B. Shur, J. Organomet. Chem. 1994, 484, 203-207; Zirkonadihydrofuran-Komplexe: Darstellung, Struktur und Reaktivitäts-Betrachtungen.

5.

U. Rosenthal, C. Nauck, P. Arndt, S. Pulst, W. Baumann, V.V. Burlakov, H. Görls, J. Organomet. Chem. 1994, 484, 81-87; Darstellung und Eigenschaften des Komplexes (dipy)Ni(η²-PhC₂SiMe₃). Zur Korrelation struktureller Bindungsparameter mit IR- und NMR-spektroskopischen Daten in Übergangsmetall-Alkin-Komplexen.

4.

U. Rosenthal, A. Ohff, W. Baumann, R. Kempe, A. Tillack, V. V. Burlakov, Angew. Chem. 1994, 106, 1946-1948; Ungewöhnliche Reaktionen von Acetylendicarbonsäurediestern an Zirconocen-Komplexen.

3.

U. Rosenthal, A. Ohff, W. Baumann, R. Kempe, A. Tillack, V. V. Burlakov, Angew. Chem. 1994, 106, 1678-1680; Synthese und Struktur des kleinsten bekannten cyclischen Cumulens; Umsetzung von 1,3-Diinen mit Zirconocenkomplexen.

2.

U. Rosenthal, A. Ohff, W. Baumann, R. Kempe, A. Tillack, V. V. Burlakov, Organometallics 1994, 13, 2903-2906; Reaction of Disubstituted 1,3-Butadiynes R¹C≡CC≡CR² with Zirconocene Complexes: Cleavage of the Central C–C Single Bond To Form Symmetrically and Unsymmetrically Doubly Acetylide-Bridged Metallocene Complexes.

1.

U. Rosenthal, A. Ohff, A. Tillack, W. Baumann, H. Görls, J. Organomet. Chem. 1994, 468, C4-C8; Zu Reaktionen disubstituierter Butadiine mit Titanocen-Komplexen.

4.

D. Selent, W. Baumann, A. Börner; Gaseinleitungs- und -zirkulationsvorrichtung zur Verfolgung von Reaktionen in flüssiger Phase unter Beteiligung gasförmiger Reaktanden unter Normal- und Hochdruck mittels Kernresonanzspektroskopie (Druck-NMR-Spektroskopie) unter stationären Bedingungen; DE 103 33 143 A1 (Offenlegungsschrift), 3. März 2005.

3.

D. Heller, W. Baumann; Gaseinleitungseinsatz sowie Gaseinleitungsapparatur zur Verfolgung von Reaktionen in flüssiger Phase unter Beteiligung gasförmiger Reaktionspartner mittels Kernresonanz-Spektroskopie (NMR) unter stationären Bedingungen; DE 102 02 173; Anmeldung 17. 1. 2002, Offenlegung 7. 8. 2003, Erteilung 24. 12. 2003.

2.

S. Becke, U. Rosenthal, W. Baumann, P. Arndt, A. Spannenberg; Katalysatorsystem zur Olefinpolymerisation; DE 101 10 227 A 1 (Bayer AG) vom 2. 3. 2001/5. 9. 2002.

1.

S. Becke, U. Rosenthal, W. Baumann, P. Arndt, A. Spannenberg; Zubereitung auf Basis von Monofluormetallkomplexen; DE 100 53 486 A 1 (Bayer AG) vom 27.10.2000/8. 5. 2002.