1-benzoyl-5-benzyl-2-(2,4-dichlorophenyl)-5-azaspiro[2.4]heptane-6,7-dione 、
2-(p-chlorobenzoylmethylene)imidazolidine 以
乙醇 为溶剂,
反应 6.0h,
以94%的产率得到2-benzyl-5-(4-chlorobenzoyl)-4-(2,4-dichlorophenyl)-9a-hydroxy-2,3,3a,4,6,7,8,9a-octahydro-1H-imidazo[1,2-a]pyrrolo[3,4-e]pyridin-1-one