Synthesis and mass spectral studies of 1‐[5‐chloro‐1‐substituted‐2(1 H )‐pyrazin‐2‐on‐3‐yl]‐5‐aryl‐3‐methylpyrazoles | Zendy

Bhattacharya B. K. | Zendy; Eirich F. R. | Zendy

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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.

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