Synthesis of representative 10-aryl-, 10-aralkyl- and 10-heteraryl-9<i>H</i>-naphtho[1′,2′:4,5]thiazolo[3,2-<i>b</i>]- [1,2,4]triazin-9-ones as potential anti-HIV agents
作者:Kang-Chien Liu、Bi-Jane Shih、Chuen-Hsiang Lee
DOI:10.1002/jhet.5570300525
日期:1993.10
treatment of 2 with benzyl-, 2-furyl- and 2-thienylgly-oxylic acids 3b-d gave the corresponding 10-benzyl-, 10-(2-furyl)- and 10-(2-thienyl)-9H-naphtho[1′,2′:4,5]thi-azolo[3,2-b][1,2,4]triazin-9-ones 5b-d in 48–67% yields. As by-products, 9-benzoyl- and 9-(2-thenoyl)naphtho-[1′,2′:4,5]thiazolo[3,2-b][1,2,4]triazoles 6a,d were also isolated. Compound 5a was selected for in vitro anti-HIV evaluation but
为了制备标题化合物,研究了1-氨基-2-亚氨基萘并[1,2- d ]噻唑(2)与一些代表性的乙醛酸衍生物的环缩合。在甲醇中与苯基乙醛酸甲酯(3a)加热2仅得到开链中间体4a,b。然而,当该反应在回流的冰醋酸中进行时,所需的化合物10-苯基-9 H-萘[1',2':4,5]噻唑并[3,2- b ] [1,2 ,以27%的产率生产了,4]-三嗪-9-一(5a)。用苄基,2-呋喃基和2-噻吩基乙醛酸3b-d相似地处理2得到相应的10-苄基-,10-(2-呋喃基)-和10-(2-噻吩基)-9 H-萘[1',2':4,5]噻唑[3,2- b ] [1,2,4] triazin-9-ones 5b-d,收率48-67%。作为副产物,9-苯甲酰基和9-(2-噻吩甲酰)萘并[1',2':4,5]噻唑并[3,2- b ] [1,2,4]三唑6a中,d是也孤立。选择化合物5a用于体外抗HIV评估,但发现该化合物无活性。