机构地区: 郧阳师范专科学校化学系
出 处: 《精细化工中间体》 2004年第1期35-37,共3页
摘 要: 以5 氯基 1H 1,2,4 三氮唑 3 羧酸乙酯为原料,经Sandmeyer反应合成了5 取代 1H 1,2,4 三氮唑 3 羧酸乙酯,其中取代基为氯、溴、碘、氰基等。并通过UV,IR,1HNMR和元素分析对所有产物的结构进行了表征。 1H-1,2,4-triazole derivatives,owing to their extensive uses in pharmaceutical synthesis,in an effort to search for more useful reaction intermediates containing 1H-1,2,4-triazole, four new 5-substituted-1H-1,2,4-triazoles were synthesized from 5-amino-1H-1,2,4-triazole-3-carboxylic acid ethyl ester by Sandmeyer reaction. Their structures were confirmed by elementl analysis, IR, UV and ~1 HNM.
领 域: [化学工程]