Highly enantiofacial protonation of prochiral lithium enolates with chiral β-hydroxy sulfoxides
作者:Hiroshi Kosugi、Kunihide Hoshino、Hisashi Uda
DOI:10.1016/s0040-4039(97)01618-3
日期:1997.9
Highly enantioselective protonation of prochiral lithium enolates is disclosed. The present method employed (S,Rs)-CF3-hydroxy sulfoxide (3b) as the chiral protonating agent, and the protonation of lithium enolates of cyclohexanone derivatives with 3b proceeded with high enantioselectivities.
公开了前手性烯醇锂的高度对映选择性质子化。本方法采用(S,R s)-CF 3-羟基亚砜(3b)作为手性质子化剂,环己酮衍生物的烯醇锂的质子化与3b进行高对映选择性。