1-[(3aS,4S,6aR)-4-ethenyl-2,2-dimethyl-3a,4,6,6a-tetrahydro-[1,3]dioxolo[4,5-c]pyrrol-5-yl]prop-2-en-1-one 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以60%的产率得到(3aR,8aS,8bS)-2,2-dimethyl-3a,4-dihydro-8aH-[1,3]dioxolo[4,5-a]pyrrolizin-6(8bH)-one