Silyl enol ethers of ketones were selectively alkylated with [O,S]-acetals mediated by Lewis acid in a Mukaiyama type Aldol reaction. The products were β-alkoxy- and /or β-sulfanyl carbonyl compounds depending on the catalyst employed.
酮的
硅缩酮乙醇醚在Mukaiyama型Aldol反应中,通过Lewis酸介导,选择性地与[O,S]-
缩醛进行了烷基化。根据所使用的
催化剂,产物为β-烷
氧基-和/或β-
硫烷基羰基化合物。