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Ortho effects in organic molecules on electron‐impact I—Oxidation of olefinic double bond by the ortho nitro group in stilbazoles
Author(s) -
Ramana D. V.,
Vairamani M.
Publication year - 1974
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210091113
Subject(s) - nitro , chemistry , fragmentation (computing) , double bond , molecule , group (periodic table) , medicinal chemistry , ion , stereochemistry , organic chemistry , alkyl , computer science , operating system
The electron‐impact‐induced fragmentation in 2′‐nitro‐4‐stilbazole is triggered by the oxidation of the olefinic double bond by the ortho nitro group in the initial step, while such an interaction under the same condition is totally absent in the meta and para isomers. The important fragmentation in 2′‐nitro‐2‐stilbazole is the formation of a cyclised ion with the elimination of the nitro group.