Abstract
dc:description.abstractThe chemistry of systems containing the 1,2,5-thia;diazole The nitration of 1,2,5-henzothiadiazole and the chlorination, iodination, diazo-coupling, and nitration of the four amino-l,2,3--henzothiadia2oles and some of their N~acyl derivatives have been studied. Differences in the 300-350 region of the spectra of 2- and 4-phenylazo-l-naphthylamines are found in analogous derivatives of 1,2,3-benzotEiadiazole and are used to orientate products of diazo-coupling. The reasons for believing that 1,2,3-benzothiadiazole is a cyclic ring compound are reviewed. Its pKa and ultraviolet spectrum are discussed. Evidence that the -NsN- group in 1,2,3-benzothiadiazole resembles a nitro-group is quoted and this fact together with the suggestion that there is partial bond fixation in the benzene ring is used to explain the products of electrophilic substitution. Much of the work described in this thesis has already been published 1,2 and the remainder is largely incorporated in a third paper. The latter has recently been recommended for publication in the Journal of The Chemical Society.
Degree
thesis:*- Name dc:type.qualificationname
- PhD
- Level dc:type.qualificationlevel
- Doctoral
- Grantor dc:publisher.institution
- De Montfort University
- Year dc:date.issued
- 1964
Author and committee
dc:creator, dc:contributor.*- Advisor dc:contributor.advisor
-
- Heard, David Dunn