对溴甲苯 、
溴苯 、 1-Furfuryl-2-methyl-4-phenyl-4H-pyrazolo[1,5-a]pyrazolo-[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one 、 2-Methyl-4-phenyl-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one 、
8-Benzoyl-2-methyl-4-phenyl-4H-pyrazolo[1,5-a]pyrazolo-[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one 以8-benzoyl-2-methyl-4-(p-methylphenyl)-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one is obtained的产率得到8-benzoyl-2-methyl-4-(p-methylphenyl)-4H-pyrazolo[1,5-a]pyrazolo[4',3':5,6]pyrido[3,4-e]pyrimidin-5(8H)-one