(4S,6S)-6,8-Bis-(tert-butyl-dimethyl-silanyloxy)-4-(4-methoxy-benzyloxy)-1-{(4S,6S)-6-[2-(4-methoxy-benzyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-octan-2-one 在
氢氟酸 作用下,
以
乙腈 为溶剂,
反应 6.0h,
以78%的产率得到(2S,4S,6R,8S,10S)-8-(2-Hydroxy-ethyl)-10-(4-methoxy-benzyloxy)-2-[2-(4-methoxy-benzyloxy)-ethyl]-1,7-dioxa-spiro[5.5]undecan-4-ol