(R)-3,4-Bis-but-3-enyloxy-5-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5H-furan-2-one 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
以66%的产率得到(Z)-(R)-3-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-5,6,9,10-tetrahydro-3H-2,4,11-trioxa-cyclopentacyclodecen-1-one