烯丙基三丁基锡 、
(2S,3R)-2-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-methyl-hept-4-yn-3-ol 在
四氯化钛 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
生成 (2S,3R)-2-[(3S,8S,9S,10R,13S,14S,17R)-3-[tert-butyl(dimethyl)silyl]oxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]hex-5-en-3-ol 、 (2S,3S)-2-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-hex-5-en-3-ol