4-amino-8-(4-amino-6-imido-6-methyl-5-oxo-2-phenyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-7-ylidene)-7,7-dihydroxy-6-methyl-5-oxo-2-phenyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine 6-imide 、
乙酸酐 以
甲苯 为溶剂,
反应 4.0h,
以87%的产率得到4-amino-8-(6-acetylimido-4-amino-6-imido-6-methyl-5-oxo-2-phenyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-7-ylidene)-7,7-dihydroxy-6-methyl-5-oxo-2-phenyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine 6-acetylimide