ChemInform Abstract: Synthesis and Pharm
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T. N. YANBORISOV; I. A. ZHIKINA; YU. S. ANDREICHIKOV; A. V. MILYUTIN; A. N. PLAK
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Article
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2010
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John Wiley and Sons
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Synthesis and Pharmacological Activity of Hetaroylpyruvic Acids and Their Derivatives. -Claisen condensation of acetylheterocycles (I) with diethyl oxalate (II) affords hetaroylpyruvic acids (III) which contain a fully enolized ฮฑ-carbonyl group. On reaction with hydrazines, they undergo cycloconden