Premium
Synthesis and mass spectral studies of 1‐[5‐chloro‐1‐substituted‐2(1 H )‐pyrazin‐2‐on‐3‐yl]‐5‐aryl‐3‐methylpyrazoles
Author(s) -
Bhattacharya B. K.,
Eirich F. R.
Publication year - 1985
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570220154
Subject(s) - chemistry , aryl , fragmentation (computing) , mass spectrum , condensation , medicinal chemistry , mass spectrometry , organic chemistry , thermodynamics , alkyl , physics , chromatography , computer science , operating system
Sixteen new 1‐[5‐chloro‐1‐substituted‐2(1 H )‐pyrazin‐2‐on‐3‐yl]‐5‐aryl‐3‐methylpyrazoles V have been synthesized by condensation of 5‐chloro‐1‐substituted‐3‐hydrazino‐2(1 H )‐pyrazin‐2‐ones III and 1‐aryl‐1,3‐butanediones IV in dry 1,4‐dioxane. The general mass spectral fragmentation mode of these compounds has been studied.