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Scheme1: Scheme of tetrazole derivatives MATERIAL AND METHODS All chemicals used were of synthetic grade. Melting points were determined with open capillary method and were uncorrected. FT-IR spectra were recorded on a JASCO-FT-IR model 400 spectrophotometer, 1 H-NMR spectra were recorded in deuterated DMSO on a Varian mercury FT-NMR model 'Avance-II(Bruker) instrument, using TMS as internal standard.
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In the present study a series of novel 6-(4-nitrophenyl)-4-substituted-3-(1H-tetrazol-5-yl)pyridin-2(1H)-one derivatives(3a-3j) by conventional, microwave and ultrasound assisted synthesis method. Advantages of the ultra sound effect were observed and high yields of the products were obtained after20-45 min ultrasonication. Characterization and str...
