(1S,3R,4S,4aR,7S,8S,8aR)-8-{2-[(4R,6S)-6-(2-Benzyloxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-ethyl}-4-(tert-butyl-dimethyl-silanyloxy)-3,7-dimethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-ol 在
lithium 作用下,
以
氨 为溶剂,
反应 0.03h,
以90%的产率得到(1S,3R,4S,4aR,7S,8S,8aR)-4-(tert-Butyl-dimethyl-silanyloxy)-8-{2-[(4R,6S)-6-(2-hydroxy-ethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-ethyl}-3,7-dimethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-ol