(Z)-(4S,7R,8S,9S,16S)-4,8-Bis-(tert-butyl-dimethyl-silanyloxy)-16-(1-hydroxy-ethyl)-5,5,7,9-tetramethyl-oxacyclohexadec-13-ene-2,6-dione 在
草酰氯 、 TEA 、
二甲基亚砜 作用下,
以
二氯甲烷 为溶剂,
以93%的产率得到(Z)-(4S,7R,8S,9S,16S)-16-Acetyl-4,8-bis-(tert-butyl-dimethyl-silanyloxy)-5,5,7,9-tetramethyl-oxacyclohexadec-13-ene-2,6-dione