(E)-(S)-4-[(4S,6R,9R)-9-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-1,3,7-trioxa-spiro[5.5]undec-10-en-4-yl]-1-[(1R,3R,4R)-4-(tert-butyl-diphenyl-silanyloxy)-3-methoxy-cyclohexyl]-2-methyl-pent-1-en-3-ol 在
sodium tetrahydroborate 、 cerium(III) chloride 、
戴斯-马丁氧化剂 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 9.5h,
生成
(E)-(3R,4S)-4-[(4S,6R,9R)-9-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-1,3,7-trioxa-spiro[5.5]undec-10-en-4-yl]-1-[(1R,3R,4R)-4-(tert-butyl-diphenyl-silanyloxy)-3-methoxy-cyclohexyl]-2-methyl-pent-1-en-3-ol