Asymmetric synthesis via chiral silicon reagents. Chiral α-hydroxyalkyl anion equivalents from vinylsilanes containing optically active amino or alkoxy groups on silicon
作者:Kohei Tamao、Ryuichiro Kanatani、Makoto Kumada
DOI:10.1016/s0040-4039(01)90074-7
日期:1984.1
Chiral vinylsilanes containing optically active functional groups on silicon have been used as precursors for chiral α-hydroxyalkyl anion equivalents via a sequence of addition of η-butyllithium, coupling with organic halides, and oxidative cleavage of the silicon-carbon bond, to give optically active alcohols of up to 60% ee.
通过添加η-丁基锂,与有机卤化物偶合以及硅-碳键的氧化裂解的顺序,已将硅上含有旋光性官能团的手性乙烯基硅烷用作手性α-羟烷基阴离子当量的前体。酒精含量高达ee的60%。