Acetic acid (2S,4R,5R,6S,8S,10R,11S)-2-(2-benzyloxy-ethyl)-10-(tert-butyl-dimethyl-silanyloxy)-5,8,11-trimethyl-1,7-dioxa-spiro[5.5]undec-4-yl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 24.0h,
以15 mg的产率得到[(2S,4R,5R,6R,8S,10R,11S)-10-hydroxy-5,8,11-trimethyl-2-(2-phenylmethoxyethyl)-1,7-dioxaspiro[5.5]undecan-4-yl] acetate