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Synthesis and evaluation of anti-inflammatory and antimicrobial activity of 2,5-disubstituted-1,3,4-oxadiazoles | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X
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Abstract

Synthesis and evaluation of anti-inflammatory and antimicrobial activity of 2,5-disubstituted-1,3,4-oxadiazoles

Author(s): Pooja Chawla, Radhika Maheshwari and Shubhini A. Saraf

In the present study two new series of [5-(4-substituted-phenyl)-[1,3,4]oxadiazol-2-yl]-pyridine (1a-1d) and 2-(4-substituted phenyl)-5-(2-aminophenyl)-1,3,4-oxadiazole (2a-2e) were synthesized from esters and hydrazine hydrate in the presence of ethanol through isonicotinic acid hydrazide and 2-aminobenzohydrazide respectively followed by reaction with phosphorus oxychloride and various aromatic acids. Synthesized compounds were subjected to antiinflammatory and antimicrobial activity. A fair number of compounds were found to have good anti-inflammatory activity in carrageenan-induced rat paw oedema test, while all the compounds showed significant antibacterial activity.


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