Synthesis 2008(6): 925-931  
DOI: 10.1055/s-2008-1032199
PAPER
© Georg Thieme Verlag Stuttgart · New York

Asymmetric Hydrosilylation of Styrenes by Use of New Chiral ­Phosphoramidites

Xinsheng Li*, Jianan Song, Dongcheng Xu, Lichun Kong
Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua 321004, P. R. of China
Fax: +86(579)82282610; e-Mail: sky33@zjnu.cn;
Further Information

Publication History

Received 18 September 2007
Publication Date:
28 February 2008 (online)

Abstract

New chiral phosphoramidites were synthesized from chiral unsymmetrical amines and BINOL in good yields. Enantioselective hydrosilylation of styrenes with trichlorosilane in the presence of palladium complexes of these ligands provided chiral silanes in medium to high yields. Oxidation of these chiral silanes with hydrogen peroxide gave the corresponding chiral secondary alcohols in up to 97% ee.