Abstract
AbstractMonothiomalonamides (1a, b) coupled with arenediazonium salts yield the α‐arylhydrazone derivatives (2a—c), Reaction of 1a, b with α‐haloketones afforded polysubstituted thiazoles 6a—c. Compounds 6 condensed with p‐nitrosodimethylaniline and coupled with arenediazonium salts yield the azomethine derivatives 7a—d and the arylhydrazones 8a—h, respectively.Compounds 1a, b behave differently towards hydrazonyl chlorides, they yielded arylazodimethylthiazoles 13a—c and thiazolylacetanilides 12a—c respectively.
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