4-Phenyl- and 4-methylthiazolylhydrazones were brominated in chloroform and acetic acid.The use of 1.5 equivalents of bromine led to the exclusive formation of the 5-halo derivatives.Effects of substituents on the thiazole ring and of the hydrazone fragme
Denisova, A. B.,Andronnikova, G. P.
p. 863 - 867
(2007/10/03)
Nitrosation and Hydrolysis Studies of some Thiazole-4-acetic Esters
Nitrosation of hydrazino substituted thiazole-4-acetates has been shown to occur on the ring, rather than the α-methylene carbon, as previously reported.Thus nitrosation of ethyl 2-isopropylidenehydrazono-, 2-benzylidenehydrazono-, 2-(2-benzoylhydrazino)-
Campaigne, E.,Selby, T. P.
p. 1249 - 1253
(2007/10/02)
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