丙二酸环(亚)异丙酯 、
(S)-1-(2-formylphenyl)-pyrrolidine-2-carboxylic acid methyl ester 以
正丁醇 为溶剂,
反应 30.0h,
生成
methyl (1'S,3a'S)-2,2-dimethyl-4,6-dioxo-1',2',3',3a'-tetrahydro-5'H-spiro[1,3-dioxane-5,4'-pyrrolo[1,2-a]quinoline]-1'-carboxylate 、 methyl (1'S,3a'R)-2,2-dimethyl-4,6-dioxo-1',2',3',3a'-tetrahydro-5'H-spiro[1,3-dioxane-5,4'-pyrrolo[1,2-a]quinoline]-1'-carboxylate