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THE EFFECT OF LIGHT ON HALOGENATED SALICYLANILIDE IONS
Author(s) -
Coxon J. A.,
Jenkins F. P.,
Welti D.
Publication year - 1965
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1965.tb07913.x
Subject(s) - substituent , halogen , chemistry , medicinal chemistry , ion , photochemistry , bromine , ultraviolet light , organic chemistry , alkyl
— Irradiation of the anions of halogenated salicylanilides with near ultraviolet light causes the halogen atoms substituted in the 3– or 5– positions to be replaced by hydrogen. With 3, 5 substituted salicylanilides the halogen substituted on the 3 position is lost; 5‐substituted bromosalicylanilides lose the 5‐bromo substituent. 5‐substituted chlorosali‐cylanilides do not lose the 5‐chloro substituent. A free radical mechanism for the reaction is suggested.