Convenient synthesis of benzo[4,5]thiazolo[2,3-c][1,2,4]triazoles with 1 mol% CuCl<sub>2</sub>·2H<sub>2</sub>O as catalyst in water
作者:Li-Rong Wen、Shou-Lei Li、Jian Zhang、Ming Li
DOI:10.1039/c4gc02156h
日期:——
A convenient and efficient procedure for the synthesis of benzo[4,5]thiazolo [2,3-c][1,2,4]triazoles has been developed via a tandem intermolecular C–N bond and intramolecular C–S bond formation sequence from o-bromo-arylisothiocyanates and aroylhydrazides. A series of benzo[4,5]thiazolo[2,3-c][1,2,4]triazoles were provided in excellent overall yields with 1 mol% CuCl2·2H2O/1 mol% 1,10-phenanthroline
通过串联分子间C–N键和分子内CS键形成序列,开发了一种便捷高效的合成苯并[4,5]噻唑并[2,3- c ] [1,2,4]三唑的方法由邻-溴-芳基异硫氰酸酯和芳酰肼得到。以1 mol%CuCl 2 ·2H 2 O / 1 mol%1,10-菲咯啉提供了一系列优异的总收率的一系列苯并[4,5]噻唑并[2,3- c ] [1,2,4]三唑作为催化剂,水作为溶剂。