Metal catalysis in organic reactions. 12. Asymmetric induction phenomena in the isomerization of racemic 1-alkenes by chiral aluminum solvate-nickel systems
Remote stereocontrol by sulfinyl groups: asymmetric alkylation of chiral 2-p-tolylsulfinyl benzyl carbanions
作者:José L. García Ruano、M. Teresa Aranda、Margarita Puente
DOI:10.1016/j.tet.2005.08.014
日期:2005.10
Alkylation reactions of the benzyllithiums derived from enantiomerically pure 2-p-tolylsulfinyl alkylbenzenes have been carried out with excellent yields and high de. A lithiation-substitution sequence, stereochemically controlled by a remote sulfoxide, accounts for the experimental results.