甲基锂 、 (E)-(2S,3R)-1-((S)-4-Benzyl-2-oxo-oxazolidin-3-yl)-3-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethyl-oct-5-ene-1,7-dione 在
copper(l) iodide 、
二甲基硫 作用下,
以
乙醚 为溶剂,
反应 1.0h,
生成 1-[(3S,4R,5S,6R)-4-(tert-Butyl-dimethyl-silanyloxy)-2-hydroxy-3,5,6-trimethyl-cyclohex-1-enyl]-ethanone 、
(3R,4S,5R,6S)-2-Acetyl-5-(tert-butyl-dimethyl-silanyloxy)-3,4,6-trimethyl-cyclohexanone