Synthesis and biological evaluation of some novel furan derivatives
Journal Title: Pakistan Journal of Pharmaceutical Sciences - Year 2014, Vol 27, Issue 6
Abstract
The present work involved cyclization of Schiff bases to azetidine-2-one and thiazolidine 4-one derivatives. The schiff bases (IIIa-j) were obtained upon reaction between electrophillic carbon atom of furfuraldehyde and nucleophillic nitrogen atom of amines. Azetidine-2-one derivatives (IVa-j) were obtained by reaction between imines and monochloro acetyl chloride in the presence of triethyl amine and 1, 4 dioxan. On the other hand, preparations of thiazolidine-4-ones (Va-j) were preceded by nucleophilic attack of sulphur of thioglycolic acid on imine carbon followed by intramolecular cyclization in the presence of SnCl2. The structures of the compounds were confirmed by spectral and elemental analysis. The biological evaluation of the compounds like anti-microbial, antioxidant, analgesic, CNS depressant and anti-diabetic activity were determined. From the pharmacological investigation it was found that out of all the compounds IVa, IVb, IVe, IVf, IVh,Va, Vb, Ve, Vf, Vh had shown more potent activity.
Authors and Affiliations
Sandip Sen , Biplab De , TS Easwari
Keywords
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