Synthesis of Thiazole-2(3<i>H</i>)-ones via [3,3]-Sigmatropic Rearrangement/5-<i>exo</i>-dig Cyclization of <i>N</i>-Propargylamines
作者:Bipin Kumar Behera、Sudip Shit、Subhamoy Biswas、Anil K. Saikia
DOI:10.1021/acs.joc.2c00991
日期:2022.7.15
An efficient methodology has been developed for the synthesis of both di- and trisubstituted thiazol-2(3H)-ones from N-propargylamines and silver(I) trifluoromethanethiolate (AgSCF3) in good yields. The reaction proceeds via [3,3]-sigmatropic rearrangement/5-exo-dig cyclization of N-propargylamines. The starting material can be easily prepared from the A3-coupling reaction of amines, aldehydes, and
已经开发出一种有效的方法,用于从N-炔丙基胺和三氟甲硫醇银 (I) (AgSCF 3 ) 以良好的收率合成二取代和三取代的 thiazol-2(3 H )-ones。该反应通过N-炔丙基胺的 [3,3]-σ 重排/5- exo -dig 环化进行。起始材料可以很容易地由胺、醛和炔烃的 A 3 -偶联反应制备。该方法可以扩展到噻唑-2(3 H )-硫酮衍生物的合成,并对一些合成化合物的光物理性质进行了研究。