Premium
ESR study of the free radical intermediates formed during the electrolytic process: III. Electrooxidation of substituted anilines
Author(s) -
Liu Yang,
Xu GuangZhi,
Sha JingGui,
Guo JinLiang,
Tang YouQi
Publication year - 1989
Publication title -
acta chimica sinica english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 0256-7660
DOI - 10.1002/cjoc.19890070412
Subject(s) - chemistry , aniline , adduct , radical , electron paramagnetic resonance , medicinal chemistry , free radical addition , electrolyte , nitroso , inorganic chemistry , photochemistry , organic chemistry , electrode , nuclear magnetic resonance , physics
Active free radicals formed by the electrooxidation of substituted anilines RC 6 H 4 NH 2 (R = H, p ‐Br, p ‐Cl, p ‐I, p ‐Me, p ‐COOH, p ‐MeCO, p ‐NO 2 , m ‐CO 2 H, and m ‐Cl) are trapped by spin trap 2‐methyl‐2‐nitroso propane (MNP). A multiple ESR signal of the solution containing electrolytic aniline and MNP is identified with the spin adduct of MNP and radical cation 1 by theoretical simulation of observed spectrum. Furthermore, ESR spectra of para ‐ or meta ‐substituted anilines give a reasonable explanation about spin adducts of MNP and the cation 2 or 3 by the same method.