Synthesis of 1,3,5-trisubstituted-1,2,4-triazoles by microwave-assisted N-acylation of amide derivatives and the consecutive reaction with hydrazine hydrochlorides
作者:Jongbok Lee、Myengchan Hong、Yoonchul Jung、Eun Jin Cho、Hakjune Rhee
DOI:10.1016/j.tet.2012.01.003
日期:2012.2
Facile and efficient procedures for the N-acylation reaction of amide derivatives with various acid anhydrides and the cyclization reaction of N-acylated amide derivatives with various hydrazine hydrochlorides were described. The reactions were carried out under microwave irradiation to give products in good yields in a few minutes. The synthesis of 1,3,5-trisubstituted-1,2,4-triazoles from benzamides
描述了酰胺衍生物与各种酸酐的N-酰化反应以及N-酰化的酰胺衍生物与各种肼盐酸盐的环化反应的简便有效的方法。反应在微波辐射下进行,在几分钟内以高收率得到产物。由苯甲酰胺合成1,3,5-三取代-1,2,4-三唑也可以通过简单的一锅顺序反应来完成。