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SYNTHESIS OF SCHIFF BASES 5-ARYL-2-AMINO-1,3,4-THIADIAZOLES

2-(R-phenyl)hydrazine-1-carbothioamides, 5-(R-phenyl)-2-amino-1,3,4-thiadiazoles and azomethines (Schiff bases), synthesis, IR spectra, 1H NMR, 13C NMR

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Optimal conditions for reactions of 5-(phenyl, 2,4-dichlorophenyl)-2-amino-1,3,4-thiadiazoles with aromatic aldehydes were found. The structure of the synthesized 5-(R-phenyl)-2-amino1,3,4-thiadiazoles and azomethine (Schiff bases) derivatives was confirmed by spectral (IR, 1H NMR, 13C NMR) methods, the physicochemical constants of the substances were determined.