isopropylidene 1-methylpyrazol-3-ylhydrazonomaloate 在
silica gel 作用下,
反应 0.08h,
以14%的产率得到6-methylpyrazolo<5,1-c><1,2,4>triazin-4-one
参考文献:
名称:
Characterization of new mesomeric betaines arising from methylation of imidazo[2,1-c][1,2,4]triazin-4(1H)-one, pyrazolo[5,1-c][1,2,4]triazin-4(1H)-one, and 1,2,4-triazolo[5,1-c][1,2,4]triazin-4(1H)-one
Characterization of new mesomeric betaines arising from methylation of imidazo[2,1-c][1,2,4]triazin-4(1H)-one, pyrazolo[5,1-c][1,2,4]triazin-4(1H)-one, and 1,2,4-triazolo[5,1-c][1,2,4]triazin-4(1H)-one