(2Z,4R,5R,9S,10R)-4-methyl-7-methylidene-5-{(1R)-1-[4-(trifluoromethyl)phenyl]ethoxy}-10-[(4S,5S,6R)-2,2,5-trimethyl-6-(propan-2-yl)-1,3-dioxan-4-yl]undec-2-ene-3,9-diyl dibenzoate 在
methyllithium lithium bromide 、
tetramethylammonium triacetoxyborohydride 作用下,
以
乙二醇二甲醚 、
乙醚 、
溶剂黄146 、
乙腈 为溶剂,
反应 2.25h,
生成 (2S,3S,7R,8S,9R,10R,11S,13R)-14-(benzyloxy)-13-[(4-methoxybenzyl)oxy]-8,10-dimethyl-5-methylidene-7-{(1R)-1-[4-(trifluoromethyl)phenyl]ethoxy}-2-[(4S,5S,6R)-2,2,5-trimethyl-6-(propan-2-yl)-1,3-dioxan-4-yl]tetradecane-3,9,11-triol