Synthesis and Antibacterial Evaluation of Substituted 3-methyl-2-pyrazolin-5-ones
Arshi Naqvi, Mohd. Shahnawaaz , Arikatla V. Rao and Daya S. Seth

School of Chemical Sciences, Chemistry Department, St. John’s College, Agra

Abstract: Nitrogen containing heterocycles are frequently found in privileged pharmacophores. Pyrazolin-5-ones are important nitrogen-containing five-membered heterocyclic compounds and have been found to be associated with a broad spectrum of bioactivities. The present work is directed towards the synthesis of some substituted-3-methyl-2-pyrazolin-5-ones. The synthesis of title compounds was achieved by the reaction of substituted ²-keto ester with substituted thiosemicarbazides and the synthesized compounds were screened for their antibacterial activity.

Keywords: Ethyl-2-substituted phenyl hydrazono-oxobutyrate; Substituted thiosemicarbazides;  Pyrazolin-5-one

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