Synthesis of a new series of angiotensin II receptor antagonists and antibacterial agents
作者:Thoraya A. Farghaly、Sobhi M. Gomha、Mohamed M. Abdalla
DOI:10.1007/s12272-013-0159-6
日期:2014.3
2-(Arylmethylenehydrazono)-4,4-diphenyl-1H-imidazol-5(4H)-one 3 underwent regioselective cyclization upon treatment with bromine in acetic acid containing sodium acetate to give the respective 3-substituted-6,6-diphenyl-6,7-dihydro-imidazo[2,1-c][1,2,4]triazole-5-one 4 in overall good yields and not the isomeric structure 5. In addition, compound 4 was synthesized by alternative method via reaction of compound 1 with different acids in acetic acid. The synthesized hydrazone derivatives were screened for their angiotensin II receptor antagonists activity and the results showed promising activity. Also, imidazo[2,1-c][1,2,4]triazole-5-ones 4 were screened for the antibacterial activity and the result revealed that two derivatives have excellent activity.
2- (芳基亚甲基肼基)-4,4-二苯基-1H-咪唑-5(4H)-酮 3 在含有乙酸钠的乙酸中用溴处理后发生了区域选择性环化,得到了相应的 3-取代-6,6-二苯基-6,7-二氢咪唑并[2,1-c][1,2,4]三唑-5-酮 4,总体收率良好,但没有得到异构结构 5。此外,化合物 4 是通过化合物 1 与不同的酸在乙酸中反应的替代方法合成的。对合成的腙衍生物进行了血管紧张素 II 受体拮抗剂活性筛选,结果表明它们具有良好的活性。此外,还对咪唑并[2,1-c][1,2,4]三唑-5-酮 4 进行了抗菌活性筛选,结果表明两种衍生物具有很好的活性。