Facile synthesis of novel carbothioylbis[1,2,4]triazolo [4,3-<i>a</i>]pyrimidine and carbothioylbispyrimido[2,1-<i>c</i>] [1,2,4]triazine derivatives
作者:Kamelia M. El-Mahdy
DOI:10.1080/17415993.2013.765431
日期:2013.10.1
6-dihydropyrimidin-2-yl)thio]acetate with thiocarbohydrazide. Condensation of pyrimidinyl thiocarbohydrazide with carbon disulfide gave carbothioylbis[1,2,4]triazolo[4,3-a]pyrimidine. Several new heterocycles namely carbothioylbispyrimido[2,1-c][1,2,4]triazine derivatives have been synthesized by the reactions of pyrimidinyl thiocarbohydrazide with 1,2-dibromoethane, chloroacetyl chloride and diethyl oxalate.
迄今为止尚未报道的多功能多功能 N',N"-bis(5-cyano-6-oxo-4-phenyl-1,6-dihydropyrimidin-2-yl)thiocarbohydrazide 是通过乙基 [(5-cyano -6-oxo-4-phenyl-1, 6-dihydropyrimidin-2-yl)thio]acetate 与硫代碳酰肼。嘧啶基硫代碳酰肼与二硫化碳缩合得到硫代碳酰双[1,2,4]三唑并[4,3-a]嘧啶。通过嘧啶基硫代碳酰肼与 1,2-二溴乙烷、氯乙酰氯和草酸二乙酯的反应合成了几种新的杂环,即硫代双嘧啶并 [2,1-c][1,2,4] 三嗪衍生物。讨论了形成新合成化合物的机制方面。