2-{[(1RS,2RS)-2-allyl-1-methylcyclohexyl]oxy}ethyl (3R,4R)-4-(benzyloxy)-3-(but-2-enoyloxy)pentanoate 在
钌 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以33%的产率得到(7R,10E,12aR,16aR)-7-[(1R)-1-(benzyloxy)ethyl]-2,3,6,7,12a,13,14,15,16,16a-decahydro-16a-methyl-5H-1,4,8-benzotrioxacyclotetradecine-5,9(12H)-dione