(7R,8R)-6-benzyl-7-((4S,5R)-2,2-dimethyl-5-vinyl-[1,3]dioxolan-4-yl)-8-vinyl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]isoquinolin-5-one 在
[Ru(=CHPh)(PCy
3)2(Cl)2] 作用下,
以
二氯甲烷 为溶剂,
反应 72.0h,
以83%的产率得到(3R,4S,4aR,11bR)-5-benzyl-3,4-isopropylidenedioxy-3,4a,5,11b-tetrahydro-4H-[1,3]dioxolo[4,5-j]phenanthridin-6-one