[(2S,4R,5R,6S,10R,11S)-10-[tert-butyl(dimethyl)silyl]oxy-5,11-dimethyl-2-(2-phenylethyl)-1,7-dioxaspiro[5.5]undecan-4-yl] acetate 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 24.0h,
以4.2 mg的产率得到Acetic acid (2S,4R,5R,6R,10R,11S)-10-hydroxy-5,11-dimethyl-2-phenethyl-1,7-dioxa-spiro[5.5]undec-4-yl ester