Synthesis and mass spectral studies of 1-[5-chloro-1-substituted-2(1<i>H</i>)-pyrazin-2-on-3-yl]-5-aryl-3-methylpyrazoles
作者:B. K. Bhattacharya、F. R. Eirich
DOI:10.1002/jhet.5570220154
日期:1985.1
]-5-aryl-3-methylpyrazoles V have been synthesized by condensation of 5-chloro-1-substituted-3-hydrazino-2(1H)-pyrazin-2-ones III and 1-aryl-1,3-butanediones IV in dry 1,4-dioxane. The general massspectral fragmentation mode of these compounds has been studied.