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Experimental and theoretical investigation of asymmetric induction in the synthesis of disubstituted cyclohexadienes via chiral benzene chromium complexes

Authors
Cunningham, Allan
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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Research group Groupe Weber
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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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