乙酰丙酮 、 2-氨基-4-羟基-6-肼基嘧啶 以
various solvent(s) 为溶剂,
反应 59.0h,
以45%的产率得到2-amino-6-(3,5-dimethylpyrazoloyl)pyrimidin-4(3H)-one
参考文献:
名称:
Pyrimido[4,5-c]pyridazines. 3. Preferential formation of 8-amino-1H-pyrimido[4,5-c]-1,2-diazepin-6(7H)-ones by cyclizations with .alpha.,.gamma.-dioxo esters