Behaviour of Some Activated Nitriles Toward Barbituric Acid, Thiobarbituric Acid and 3-Methyl-1-Phenylpyrazol-5-one
Received: 6 September 1999 / Revised: 15 December 1999 / Accepted: 12 February 2000 / Published: 20 May 2000
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The effect of some active methylene containing heterocyclic compounds, namely barbituric acid, thiobarbituric acid and 3-methyl-1-phenylpyrazol-5-one on a-cyano-3,4,5-trimethoxycinnamonitrile and ethyl a-cyano-3,4,5-trimethoxycinnamate (1a,b) was investigated. The structure of the new products was substantiated by their IR,1
H-NMR and mass spectra.