Enantioselective synthesis of α-hydroxysilanes by bioreduction of aroyltrimethylsilanes
作者:Amauri F. Patrocínio、Ivan R. Corrêa Jr、Paulo J. S. Moran
DOI:10.1039/a906335h
日期:——
Aromatic acylsilanes [Ar-CO-SiMe3; Ar = C6H5, 4-ClC6H4, 2-, 3- and 4-OMeC6H4, 3,4-(OMe)2C6H3 and 3,4-OCH2OC6H3] were reduced by bakerâs yeast to optically active α-silyl alcohols in 20â70% yield and 43â88% ee. Comments are made on the influence of silicon in this bioreduction reaction.
芳香基乙酰硅烷 [Ar-CO-SiMe3; Ar = C6H5, 4-ClC6H4, 2-, 3- 和 4-OMeC6H4, 3,4-(OMe)2C6H3 和 3,4-OCH2OC6H3] 通过面包酵母还原为光学活性的α-硅基醇,产率为20-70%,对映体过量为43-88%。对硅在这类生物还原反应中的影响进行了评论。