SYNTHESIS OF 3-SUBSTITUTEDIMINO-5-(4-PYRIDINEIMINO) -AMINO-1,2,4- DITHIAZOLES
D. T. Tayade and M. S. Lunge*
ABSTRACT
A novel series of 3-substitutedimino-5-(4-pyridineimino)amino-1,2,4-dithiazoles (VIa-h) was synthesized by the oxidative cyclisation of 1-(4-pyridineimino)-5-substituteddithiobiurets (Va-h) in chloroform medium by making use of liquid bromine as oxidizing agent. The products which were isolated in these reactions were characterized and justified on the basis of elemental analysis, chemical characteristics and spectral data.
Keywords: Bromine, chloroform, 1-(4-pyridineimino)-5-substituteddithiobiurets, etc.
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