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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Photochemical reactions of azo compounds. XV. Ortho/para substitution ratios in the photoinduced reactions of trans-azobenzene with acid chlorides

DPG Hamon, GE Lewis and RJ Mayfield

Australian Journal of Chemistry 21(4) 1053 - 1059
Published: 1968

Abstract

Irradiation of trans-azobenzene in acetyl chloride, and subsequent hydrolysis-oxidation of the photo product, has been shown to yield a small amount of 2-chloroazo-benzene in addition to 4-chloroazobenzene (main product). Analogous reaction sequences, starting with different acid chlorides, show marked variations in ortho/para substitution ratios; and correlations indicate that the relative extents of ortho and para substitution are associated with the ionizability of the acid chlorides.

https://doi.org/10.1071/CH9681053

© CSIRO 1968

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