2-((4S,6S)-6-(((4S,6S)-6-(((4R,6R)-2,2-dimethyl-6-vinyl-1,3-dioxan-4-yl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)ethanol 、
(3S,4S)-2,4-dimethyl-3-(p-methoxybenzyloxy)-5-hexene 在
Hoveyda-Grubbs catalyst second generation 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以53%的产率得到2-((4S,6S)-6-(((4S,6S)-6-(((4R,6R)-6-((3S,4S,E)-4-(4-methoxybenzyloxy)-3,5-dimethylhex-1-enyl)-2,2-dimethyl-1,3-dioxan-4-yl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)ethanol