(1R,3S,5R,6S,7S,8R,10S,11S,12S,13R,15S,17R,19R,21S,22R,24S)-21-[(1R)-1-hydroxybut-3-enyl]-6,7,12,17,21-pentamethyl-22-tri(propan-2-yl)silyloxyspiro[4,9,14,20,25-pentaoxapentacyclo[13.10.0.03,13.05,10.019,24]pentacosane-8,2'-oxolane]-11-ol 、
2-溴甲基萘 在
四丁基碘化铵 、 sodium hydride 作用下,
以
四氢呋喃 、 DMF (N,N-dimethyl-formamide) 为溶剂,
反应 24.0h,
以81%的产率得到[(1R,3S,5R,6S,7S,8R,10S,11S,12S,13R,15S,17R,19R,21S,22R,24S)-6,7,12,17,21-pentamethyl-11-(naphthalen-2-ylmethoxy)-21-[(1R)-1-(naphthalen-2-ylmethoxy)but-3-enyl]spiro[4,9,14,20,25-pentaoxapentacyclo[13.10.0.03,13.05,10.019,24]pentacosane-8,2'-oxolane]-22-yl]oxy-tri(propan-2-yl)silane