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Synthesis 2008(6): 925-931
DOI: 10.1055/s-2008-1032199
DOI: 10.1055/s-2008-1032199
PAPER
© Georg Thieme Verlag Stuttgart · New York
Asymmetric Hydrosilylation of Styrenes by Use of New Chiral Phosphoramidites
Further Information
Received
18 September 2007
Publication Date:
28 February 2008 (online)
Publication History
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.
Key words
hydrosilylation - phosphoramidites - asymmetric synthesis - chiral secondary alcohols - palladium
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