[(3aR,5R,6S,6aR)-6-(2-{3-[2-((3aR,5R,6S,6aR)-5-Hydroxymethyl-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-yloxymethyl)-phenoxy]-propoxy}-benzyloxy)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl]-methanol 在
Grubbs catalyst first generation sodium hydroxide 、
四丁基溴化铵 作用下,
以
二氯甲烷 、
水 为溶剂,
反应 22.0h,
生成 (2S,3S,3aR,20aR,21S,22S,23aS,31aS)-(2,3:21,22-diisopropylidenedioxy)-2,3,5,3a,20a,21,22,23a-octahydrodibenzo[c,j]difuro[2,3-c:3,2-r][1,5,9,13,17,21]hexaoxacyclopentacosa-7a,14a,20a,27,31a-pentaene