[(1S)-2-(methoxymethoxy)-1-[(1S,4S,6R,8R,11R,12S,13R,16R,18S,21R)-11-(methoxymethoxy)-4,6,12,17,17-pentamethyl-18-[(2S,3R,4S,5R)-3,4,5-tris(methoxymethoxy)oxan-2-yl]oxy-9-oxahexacyclo[11.9.0.01,21.04,12.05,10.016,21]docos-5(10)-en-8-yl]-2-methylpropyl] acetate 在
甲醇 、
氯化锆(IV) 、 sodium hydride 、 potassium hydroxide 作用下,
以
二氯甲烷 、
氯仿 、 mineral oil 为溶剂,
反应 72.0h,
生成
(1S,4R,5R,6R,8R,10S,12S,13R,16R,18S,21R)-18-hydroxy-8-[(1S)-2-hydroxy-1-methoxy-2-methylpropyl]-4,6,12,17,17-pentamethyl-9-oxahexacyclo[11.9.0.01,21.04,12.05,10.016,21]docosan-11-one