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Aminocarbonyl arylvinylbenzamides as gastric sparing anti-inflammatory agents
Saurabh C Khadse1, Gokul S Talele, Surendra S Agrawal
1Department of Pharmaceutical Chemistry, R.C. Patel Institute of Pharmaceutical, Education and Research, Maharashtra, India. khadse_s@rediffmail.com
Abstract:
Some (E/Z)-aminocarbonyl arylvinylbenzamides (B1-B15) were synthesized, evaluated for anti-inflammatory activity and ulcerogenic tendency, and their effect on gastro-intestinal motility in the rats was studied. These benzamides comprising of aliphatic unsaturated region situated between two amide linkages were synthesized by nucleophilic ring opening of appropriate azlactones (AZ1-AZ4) by suitable amines. The characterization of newly synthesized benzamides was performed by IR, (1)H- and (13)C-NMR, mass and elemental analysis. Amongst the tested compounds, benzamide B1, B2, B4, B5, and B13 were able to produce comparable or superior anti-inflammatory activity at 10 and 20 mg/kg p.o. dose with respect to standard diclofenac in carrageenan induced rat paw edema model with lessened propensity to cause gastro-intestinal hypermotility and were found to have nil tendencies to generate gastric ulcers.
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