✦ LIBER ✦

Rapid synthesis of 2,5-disubtituted 1,3,4-thiadiazoles under microwave irradiation

✍ Scribed by Mounim Lebrini; Fouad Bentiss; Michel Lagrenée

Publisher: Journal of Heterocyclic Chemistry
Year: 2005
Tongue: English
Weight: 60 KB
Volume: 42
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570420538

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✦ Synopsis

Abstract

The one pot, three‐components condensation of aromatic aldehydes, hydrazine and sulfur in ethanol under microwave irradiation provided symmetrically 3,5‐disubstituted 1,3,4‐thiadiazoles in high yields and good purity. This reaction must be conducted under pressure of hydrogen sulfide produced in‐situ. The structure of the compounds was confirmed by ^1^H, ^13^C NMR, MS and elemental analysis.

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