1-{(2S,6S,7R,8S,10R,12R)-12-(tert-Butyl-dimethyl-silanyloxy)-8-hydroxy-7-[2-(2-methoxy-ethoxymethoxy)-ethyl]-4,4,7,13,14,14-hexamethyl-3,5-dioxa-tricyclo[8.3.1.02,6]tetradec-1(13)-en-8-yl}-ethanone 在
samarium diiodide 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以90%的产率得到(2S,6S,7R,8S,11R,13R)-13-(tert-Butyl-dimethyl-silanyloxy)-8-hydroxy-7-[2-(2-methoxy-ethoxymethoxy)-ethyl]-4,4,7,8,14,15,15-heptamethyl-3,5-dioxa-tricyclo[9.3.1.0
2,6]pentadec-1(14)-en-9-one