Abstract

ABSTRACTThis review reports the reactivity of dehydroacetic acid, which considered to be a very reactive organic compound. The structure of the title compound was investigated. The condensation reactions with primary amines led to the preparation of a variety of heterocyclic ring systems, including bispyran, pyrazole, thiazole, pyridine, pyrimidine, thiazine, thiazepine, and diazepine ring systems. On the other hand, the condensation reaction with aldehydes led to the formation of 1,5-benzodiazepines, pyran, and pyranopyran heterocyclic ring systems. The reaction mechanisms were discussed. The bibliography includes 130 references.

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