(9Z)-9-[chloro(dimethylamino)methylidene]-6-methyl-4-oxo-7,8-dihydro-6H-pyrido[1,2-a]pyrimidine-3-carbonitrile 在
氨 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
生成 9-[1-Amino-1-dimethylamino-meth-(E)-ylidene]-6-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine-3-carbonitrile