Research on arylhydrazones of substituted glyoxylic acids |
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| Authors: | R. G. Dubenko E. F. Gorbenko |
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| Affiliation: | (1) Institute of Organic Chemistry AS UkrSSR, Kiev |
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| Abstract: | Reaction of the hydrazides and acetylhydrazides of cyanoacetic acid with aryldiazonium chlorides gives arylhydrazones of the hydrazide and acetylhydrazide of cyanoglyoxylic acid. 2-Acetyl-3-imino-4-arylpyrazol-5-ones and 3-imino-4-arylazopyrazol-5-ones are obtained by cyclizing the arylhydrazones.For Part IX see [1]. |
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