Conveniently accessible 4‐[(2‐(3,4‐dimethoxyphenyl)ethyl]‐3‐thiosemicarbazide (2) was converted to new 1‐substituted benzylidene/furfurylidene‐4‐[2‐(3,4‐dimethoxyphenyl)ethyl]‐3‐thiosemicarbazides (3) which furnished 2‐(substituted benzylidene/furfurylidene)hydrazono‐3‐[2‐(3,4‐dimethoxyphenyl)ethyl]thiaz‐olidin‐4‐ones (4) and 1‐(substituted benzylidene/furfurylidene)‐amino‐3‐[2‐(3,4‐dimethoxyphenyl)ethyl]‐2‐thioxo‐4,5‐imidazol‐idinediones (5) on reaction with chloroacetic acid and oxalyl chloride, respectively. The structure of 5 was confirmed by X‐ray diffraction studies performed on 5a. 4 and 5 were evaluated for their potentiating effects on pentobarbital induced hypnosis. Most of the compounds caused remarkable increases in pentobarbital sleeping time.

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N,N-Dialkylditihiocarbamate derivatives have been well known as broad-range fungicides. In this study, the triazole derivatives of ten new N,N-disubstituted dithiocarbamates (3a-j) were synthesized and their structures were identified by spectral and elemental analysis. Results of the antifungal activity studies showed that some of the compounds tested were active against M. canis, M. gypseum, and T. rubrum at the concentration of 12.5 microg/mL when clotrimazol was used as a standard.

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A new series of 3-(1,2,4-triazol-3-yl)-4-thiazolidinone derivatives has been synthesized by the reaction of Schiff bases of 3-amino-1,2,4-triazoles with mercaptoacetic acid and 2-mercaptopropionic acid. Their antibacterial and antifungal activities were evaluated against S. aureus, S. epidermidis, C. albicans and C. glabrata