Abstract

The asymmetric hydrosilylation of acetophenone with Ph 2SiH 2 has been investigated in the presence of ( S)-amphos as the chiral ligand in combination with the cyclooctadiene-rhodium(I), -iridium(I), -palladium(II), and -platinum(II) chloride complexes. High activity and optical yields up to 50% ee have been obtained. The product configuration induced by the rhodium system is ( S), in all other cases it was ( R).

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