(E)-4-(tert-Butyl-diphenyl-silanyloxy)-2-[2-((1S,4aS,4bR,8aR,10aR)-2,4b,8,8,10a-pentamethyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-phenanthren-1-yl)-ethyl]-but-2-enoic acid methyl ester 在
二异丁基氢化铝 作用下,
以
甲苯 为溶剂,
反应 0.5h,
以12%的产率得到(Z)-4-(tert-Butyl-diphenyl-silanyloxy)-2-[2-((1S,4aS,4bR,8aR,10aR)-2,4b,8,8,10a-pentamethyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodecahydro-phenanthren-1-yl)-ethyl]-but-2-en-1-ol