(2S,3S,4S,5R,6R)-2,6-Diallyl-3-allyloxy-4-(4-methoxy-benzyloxy)-5-pent-4-enyloxy-tetrahydro-pyran 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
以65%的产率得到(Z)-(1R,3S,9S,10S,11R)-10-(4-Methoxy-benzyloxy)-2,8,12-trioxa-tricyclo[9.7.0.0
3,9]octadeca-5,16-diene