5-Benzoyl-1,3-dimethyl-6-(4-nitro-phenyl)-2,4-dioxo-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid ethyl ester 在
盐酸 作用下,
以
乙醇 为溶剂,
反应 1.5h,
以95%的产率得到1,3-Dimethyl-6-(4-nitro-phenyl)-2,4-dioxo-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid ethyl ester