5-Benzoyl-1,3-dimethyl-2,4-dioxo-6-p-tolyl-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97%的产率得到1,3-Dimethyl-2,4-dioxo-6-p-tolyl-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid ethyl ester