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Results: 1-16 |
Results: 16
Enantio- and diastereoselective synthesis of a 3,4-divinylpyrrolidine via asymmetric deprotonation and cyclization of a 9-chloro-5-aza-2,7-nonadiene
Authors: Deiters, A Wibbeling, B Hoppe, D
Citation: A. Deiters et al., Enantio- and diastereoselective synthesis of a 3,4-divinylpyrrolidine via asymmetric deprotonation and cyclization of a 9-chloro-5-aza-2,7-nonadiene, ADV SYNTH C, 343(2), 2001, pp. 181-183
Synthesis of enantiomerically enriched allenes by (-)-sparteine-mediated lithiation of alkynyl carbamates
Authors: Schultz-Fademrecht, C Wibbeling, B Frohlich, R Hoppe, D
Citation: C. Schultz-fademrecht et al., Synthesis of enantiomerically enriched allenes by (-)-sparteine-mediated lithiation of alkynyl carbamates, ORG LETT, 3(8), 2001, pp. 1221-1224
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
Authors: Wu, HP Aumann, R Frohlich, R Wibbeling, B Kataeva, O
Citation: Hp. Wu et al., 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, CHEM-EUR J, 7(23), 2001, pp. 5084-5093
Synthesis of the first fluorinated cantharidin analogues
Authors: Essers, M Wibbeling, B Haufe, G
Citation: M. Essers et al., Synthesis of the first fluorinated cantharidin analogues, TETRAHEDR L, 42(32), 2001, pp. 5429-5433
Synthesis of enantioenriched indene-derived bicyclic alcohols and tricyclic cyclopropanes via (-)-sparteine-mediated lithiation of a racemic precursor and kinetic resolution during the cyclocarbolithiation
Authors: Laqua, H Frohlich, R Wibbeling, B Hoppe, D
Citation: H. Laqua et al., Synthesis of enantioenriched indene-derived bicyclic alcohols and tricyclic cyclopropanes via (-)-sparteine-mediated lithiation of a racemic precursor and kinetic resolution during the cyclocarbolithiation, J ORGMET CH, 624(1-2), 2001, pp. 96-104
Group 4 metallocenes containing hetaryl substituents at their pi-ligands: synthesis and characterization of the parent bis[2-(2-furyl)indenyl]zirconocene system
Authors: Dreier, T Unger, G Erker, G Wibbeling, B Frohlich, R
Citation: T. Dreier et al., Group 4 metallocenes containing hetaryl substituents at their pi-ligands: synthesis and characterization of the parent bis[2-(2-furyl)indenyl]zirconocene system, J ORGMET CH, 622(1-2), 2001, pp. 143-148
Organic syntheses via transition metal complexes, CII - 1,3-dioxycyclopentadienes from (1-alkynyl)carbene tungsten complexes - Domino cyclization/cycloaddition reactions
Authors: Wu, HP Aumann, R Frohlich, R Wibbeling, B
Citation: Hp. Wu et al., Organic syntheses via transition metal complexes, CII - 1,3-dioxycyclopentadienes from (1-alkynyl)carbene tungsten complexes - Domino cyclization/cycloaddition reactions, EUR J ORG C, (7), 2000, pp. 1183-1192
Novel 1,2,4-triphosphole and 1,2,3-triphosphetene derivatives from N,N '-bis(2,2-dimethylpropyl)benzimidazolin-2-ylidene and phosphaalkynes
Authors: Hahn, FE Wittenbecher, L Le Van, D Frohlich, R Wibbeling, B
Citation: Fe. Hahn et al., Novel 1,2,4-triphosphole and 1,2,3-triphosphetene derivatives from N,N '-bis(2,2-dimethylpropyl)benzimidazolin-2-ylidene and phosphaalkynes, ANGEW CHEM, 39(13), 2000, pp. 2307-2310
(N-pyrrolyl)B(C6F5)(2) - A new organometallic Lewis acid for the generation of group 4 metallocene cation complexes
Authors: Kehr, G Frohlich, R Wibbeling, B Erker, G
Citation: G. Kehr et al., (N-pyrrolyl)B(C6F5)(2) - A new organometallic Lewis acid for the generation of group 4 metallocene cation complexes, CHEM-EUR J, 6(2), 2000, pp. 258-266
Asymmetric lithiation of an allyl carbamate induced by a complexing remotechiral substituent
Authors: Heimbach, DK Frohlich, R Wibbeling, B Hoppe, D
Citation: Dk. Heimbach et al., Asymmetric lithiation of an allyl carbamate induced by a complexing remotechiral substituent, SYNLETT, (7), 2000, pp. 950-954
2-hetaryl-substituted bis(indenyl)zirconium complexes as catalyst precursors for elastomeric polypropylene formation
Authors: Dreier, T Erker, G Frohlich, R Wibbeling, B
Citation: T. Dreier et al., 2-hetaryl-substituted bis(indenyl)zirconium complexes as catalyst precursors for elastomeric polypropylene formation, ORGANOMETAL, 19(20), 2000, pp. 4095-4103
1,3-Doubly bridged group 4 metallocenes by intramolecular reductive coupling of pendant olefins
Authors: Warren, TH Erker, G Frohlich, R Wibbeling, B
Citation: Th. Warren et al., 1,3-Doubly bridged group 4 metallocenes by intramolecular reductive coupling of pendant olefins, ORGANOMETAL, 19(2), 2000, pp. 127-134
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
Authors: Steif, F Wibbeling, B Meyer, O Hoppe, D
Citation: F. Steif et al., 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-S, (5), 2000, pp. 743-753
Structural and spectroscopic evidence for the occurrence of gauche-betaineintermediates in the thio Wittig reaction
Authors: Puke, C Erker, G Wibbeling, B Frohlich, R
Citation: C. Puke et al., Structural and spectroscopic evidence for the occurrence of gauche-betaineintermediates in the thio Wittig reaction, EUR J ORG C, (8), 1999, pp. 1831-1841
Reactions of (butadiene)tantalocene cation with alkyl isocyanides
Authors: Strauch, HC Wibbeling, B Frohlich, R Erker, G Jacobsen, H Berke, H
Citation: Hc. Strauch et al., Reactions of (butadiene)tantalocene cation with alkyl isocyanides, ORGANOMETAL, 18(19), 1999, pp. 3802-3812
The reaction of (butadiene)tantalocene cation with bulky carbonyl derivatives
Authors: Strauch, HC Roesmann, R Pacheiner, S Erker, G Frohlich, R Wibbeling, B
Citation: Hc. Strauch et al., The reaction of (butadiene)tantalocene cation with bulky carbonyl derivatives, J ORGMET CH, 584(2), 1999, pp. 318-322
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