[1-(tert-Butyl-dimethyl-silanyloxy)-cyclopropyl]-((2R,4aR,7R,8aR)-4,4,7-trimethyl-hexahydro-1-oxa-3-thia-naphthalen-2-yl)-methanol 在
草酰氯 、
二甲基亚砜 、
三乙胺 作用下,
生成
(2R,4aR,7R,8aR)-<1-(t-Butyldimethylsiloxy)cyclopropyl>-(4a,5,6,7,8,8a-hexahydro-4,4,7-trimethyl-4H-1,3-benzoxathian-2-yl)methanone