dimethyl 1,3-dioxo-4-benzyl-6-methyl-2-phenyl-4,9-epithio-2,3,3a,4,9,9a-hexahydro-1H-pyrrolo[3,4-f]indolizine-7,8-dicarboxylate 在
sodium 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以38%的产率得到dimethyl 4-benzyl-6-methyl-1,3-dioxo-2-phenyl-2,3-dihydro-1H-pyrrolo[3,4-f]indolizine-7,8-dicarboxylate