A facile microwave-assisted synthesis of 8,9-cycloalkathieno[3,2-e] [1,2,4]triazolo[1,5-c]pyrimidin-5(6H)-ones
作者:RAJWINDER KAUR、D PRAN KISHORE、B LAKSHMI NARAYANA、K VENKAT RAO、C BALAKUMAR、V RAJKUMAR、A RAGHURAM RAO
DOI:10.1007/s12039-011-0067-6
日期:2011.1
A new series of fused thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidinones was synthesized by condensation of ethyl-3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophene-2-yl carbamate with aryl acid hydrazides in quantitative yields using a facile, one-pot procedure under microwave-assisted conditions. A facile one-pot microwave-assisted synthesis of 8,9-cycloalkathieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-5(6H)-ones
通过乙基-3-氰基-4,5,6,7-四氢苯并[的缩合反应]合成了一系列新的稠合噻吩并[3,2- e ] [1,2,4]三唑并[1,5- c ]嘧啶酮。b)在微波辅助条件下,使用简便的一锅法,可以定量收率得到噻吩-2-基氨基甲酸酯与氨基甲酸酰肼。 报道了一种简便的一锅微波辅助合成8,9-cycloalkathieno [3,2-e] [1,2,4]三唑并[1,5-c]嘧啶-5(6H)-的方法。