1985•Journal of Heterocyclic ChemistryRequires access

Mass spectral fragmentation pattern of 2,3‐dimethyl‐ and 2‐methyl‐3‐phenyl‐4‐arylazoisoxazol‐5‐ones

N. G. Keats, Shyam Singh, L. A. SUMMERS

Abstract

Abstract 2,3‐Dimethyl‐4‐arylazoisoxazol‐5‐ones and 2‐methyl‐3‐phenyl‐4‐aryiazoisoxazol‐5‐ones undergo considerable fragmentation on electron impact. The base peaks in the mass spectra are at mass 56 and 118 respectively attributed to the N‐methylacetonitrile cation and the N‐methylbenzonitrile cation.

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Key concepts: Chemistry, Fragmentation (computing), Electron ionization, Mass spectrum, Medicinal chemistry, Mass spectrometry, Analytical Chemistry (journal), Ion