Novel One-Step Synthesis of Thiazolo[3,2-<i>b</i>]1,2,4-triazoles
作者:Alan R. Katritzky、Alfredo Pastor、Michael Voronkov、Peter J. Steel
DOI:10.1021/ol990370w
日期:2000.2.1
[reaction: see text] Reactions of chalcones 3a-f with bis(1H-1,2,4-triazolyl) sulfoxide 4 formed the thiazolo[3,2-b]1,2,4-triazoles 5a-f, which resemble closely some previously prepared COX-2 inhibitors. The structure of 5a was confirmed by X-ray analysis.