An efficient and eco-friendly synthesis of 1,5-benzothiazepines has been developed by the reaction of various 2-propen-1-ones with 2-aminothiophenol using microwave irradiation in greener reaction medium, glycerol. The clean reaction conditions, shorter reaction time, high yields and non-toxic, biodegradable reaction medium manufactured from renewable sources are unique features of this method.

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This research work describes the synthesis of a new series of heterocyclic compounds, namely sulfonamide derivatives. Sulfonamides are a diverse class of organic compounds having significant and potent biological activities. Diverse synthetic methods have been engaged to build up its various derivatives for different biological functions. In this study, the production of novel pyridine-based heterocyclic compounds having sulfonamide moieties has been elaborated. The obtained sulfonamide-based pyridine scaffold was used to investigate their alpha-amylase inhibition activity. The structures of freshly prepared compounds were described using 1H NMR, 13C NMR, and IR spectroscopic techniques. The molecular docking of sulfonamides performed against porcine pancreatic alpha-amylase using PDB file 1LP was used for generation of grid. All the new synthesized compounds were shown notable anti-diabetic activity.

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An efficient synthesis of fluorinated [1,2,4]triazolo [3,4-b][1,3,4]thiadiazole derivatives has been achieved by cyclocondensation of 5-substituted 4-amino-1,2,4-triazole-3-thiols with fluoro-substituted aromatic acids using phosphoryl chloride as a cyclizing agent. The synthesized compounds were characterized by spectroscopic techniques, including IR, 1 H NMR, and mass spectra.