{2-[(2R,6R,8R,10R,11R,13R)-11-Benzyloxy-10-(2-benzyloxy-ethyl)-13-methyl-1,7,9-trioxa-dispiro[5.1.5.2]pentadec-3-en-2-yl]-ethoxy}-tert-butyl-dimethyl-silane 在
LiDBB 作用下,
以
四氢呋喃 为溶剂,
反应 0.08h,
以95%的产率得到(2R,3R,5R,6R,8R,10R)-10-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-(2-hydroxy-ethyl)-5-methyl-1,7,9-trioxa-dispiro[5.1.5.2]pentadec-11-en-3-ol