(2Z,4R,5R,9R,10R,11Z)-4,10-dimethyl-7-methylidene-5-[(1R)-1-phenylethoxy]-9-{(1R)-1-[4-(trifluoromethyl)phenyl]ethoxy}trideca-2,11-diene-3,11-diyl dibenzoate 在
四氯化钛 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以22%的产率得到(2Z,4R,5R,9R,10R,11Z)-11-(benzoyloxy)-9-hydroxy-4,10-dimethyl-7-methylidene-5-{(1R)-1-[4-(trifluoromethyl)phenyl]ethoxy}trideca-2,11-dien-3-yl benzoate