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Microwave-assisted Heterocyclic Dicarboxylic Acids as Potential Antifungal and Antibacterial Drugs

Author(s): VV Dabholkar, SD Parab

A series of new dicarboxylic acid derivatives of 1,3,4-thiadiazines, 1,4-benzopiperizines, 1,4-thiazines, 1,3-thiazoles, 1,3-oxazoles and 1,3-imidazoles have been synthesized in 80-87% yield by the environmentally benign microwave induced technique involving the cyclocondensation of 2,3-dibromosuccinic acid with 2-aminothiophenol, o-phenylene diamine, 1,2,4-triazole, amidinothiocarbamide, amidinocarbamide and guanidine hydrochloride. The structures of all newly synthesized compounds have been established on the basis of analytical and spectral data. Evaluation of antibacterial and antifungal activity showed that almost all compounds exhibited better results than reference drugs thus they could be promising candidates for novel drugs.

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