Title: A Novel <i>D</i><sub>2</sub>‐Symmetrical Chiral Tetraoxazoline Ligand for Highly Enantioselective Hydrosilylation of Aromatic Ketones
Abstract: Abstract A novel D 2 ‐symmetrical chiral tetraoxazoline ligand was synthesized from 1,2,4,5‐benzenetetracarboxylic acid and L ‐valinol via a one‐pot reaction, and the asymmetric hydrosilylation of aromatic ketones was carried out in dichloromethane in the presence of 1.0 mol% of a bivalent copper ion catalyst with the tetraoxazoline to give optically active secondary alcohols. The chiral catalyst showed excellent activities and enantioselectivities in the hydrosilylation of aryl ketones with up to 99% ee .
Publication Year: 2010
Publication Date: 2010-05-03
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 30
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