AbstractA series of 1-(pyrimidin-2-yl)hydrazine-1-carbonitriles was synthesized by base-catalyzed condensation of 3,4-diamino-1,2,4-triazole hydrobromide with several 1,3-dinucleophilic compounds. These final products were formed by ring opening of the 1,2,4-triazolium ring via intermediate 3-amino[1,2,4]triazolo[1,5-a]pyrimidinium bromides. Graphical Abstract
摘要通过3,4-二
氨基-
1,2,4-三唑氢溴酸盐与几种1,3-二亲核化合物的碱催化缩合反应,合成了一系列1-(
嘧啶-2-基)
肼-1-腈。这些最终产物是通过中间体3-
氨基[1,2,4]三唑并[1,5- a ]
嘧啶溴化物开环
1,2,4-三唑鎓环而形成的。 图形概要