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Synthesis and biological activity of new 1,3,4-thiadiazole derivatives

A. A. Aly and R. El-Sayed

Department of Chemistry, Faculty of Science, Benha University, Benha, Egypt

 

E-mail: ref_at@hotmail.com

Received: 5 October 2004  Revised: 8 August 2005  Accepted: 15 August 2005

Abstract: The aminothiadiazole (II) on treatment with aromatic aldehydes yielded Schiff bases, which cyclized to thiazolidinone derivatives by reaction with thioglycolic acid. Reaction of II with phenyl isocyanate and phenyl isothiocyanate afforded the carbamide and carbothiamide derivatives, respectively, which on reaction with malonic acid in acetyl chloride gave barbituric and thiobarbituric acid derivatives. However, reaction of carbon disulfide and methyl iodide with II gave dithiocarbamidate derivative which on treatment with ethylenediamine or o-phenylenediamine gave the condensed N-imidazolylthiadiazolylamine derivatives.

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-006-0010-3

 

Chemical Papers 60 (1) 56–60 (2006)

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