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Experimental and theoretical investigation of asymmetric induction in the synthesis of disubstituted cyclohexadienes via chiral benzene chromium complexes
Authors
Bernardinelli, Gérald Hugues
Cunningham, Allan
Dupre, Chantal Alice
Kundig, Ernst Peter
Stussi, Dominique
Weber, Jacques
Published in Chimia. 1992, vol. 46, no. 24, p. 126-129
Abstract A series of [Cr(benzene)(CO)2L] complexes with L = PPh3, P(OMe)3, PPh2 ((−)-menthyl), P(OPh)2(O-(−)-menthyl), P(O-(−)-menthyl)3 were subjected to a nueleophile addition/acylation sequence to give trans-5,6-disubstituted cyelohexadienes. Low-to-moderate asymmetric induction was observed with the chira] ligands. Experimental and theoretical evidence for an alkylation at the metal center trans to the P ligand is presented, and a crystal structure determination of a [Cr(η5-cyclohexadienyl)(P(OMe)3)(CO)2SnPh3] complex is included.
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Faculté des sciences / Section de chimie et biochimie / Département de chimie physique
Faculté des sciences / Section de chimie et biochimie / Département de chimie organique
Research group Groupe Weber
Citation
(ISO format) 		BERNARDINELLI, Gérald Hugues et al. Experimental and theoretical investigation of asymmetric induction in the synthesis of disubstituted cyclohexadienes via chiral benzene chromium complexes. In: Chimia, 1992, vol. 46, n° 24, p. 126-129. https://archive-ouverte.unige.ch/unige:2932

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Deposited on : 2009-09-21

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