(3aR,6aR)-5-(6-bromo-4-methoxy-3-methyl-2-phenylmethoxyphenyl)-2,2-dimethyl-6,6a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyrrol-4-one 在
劳森试剂 作用下,
以
甲苯 为溶剂,
反应 2.5h,
以73%的产率得到(3aR,6aR)-5-(6-bromo-4-methoxy-3-methyl-2-phenylmethoxyphenyl)-2,2-dimethyl-6,6a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-4-thione