Efficient and Convenient Protocol for the Synthesis of Novel 1,2,4-Triazolo[3,4-b][1,3,4]Thiadiazines

被引:12
|
作者
Foroughifar, Naser [1 ,2 ]
Mobinikhaledi, Akbar [2 ]
Ebrahimi, Sattar [2 ]
机构
[1] Islamic Azad Univ, Fac Chem, N Tehran Branch, Tehran, Iran
[2] Arak Univ, Dept Chem, Fac Sci, Arak, Iran
关键词
Schiff-base; 1; 2; 4-triazole; triazolothiadiazine; ANTIBACTERIAL; DERIVATIVES;
D O I
10.1080/00397910903261387
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The novel triazolothiadiazine analogs 5a-p were obtained via a multistep synthetic sequence beginning with 5-substituted 4-amino-1,2,4-triazole-3-thiols 1. Compound 1, in reaction with various aromatic aldehydes 2 in acetic acid, afforded Schiff bases 3a-p. Cyclization of 3a-p with ethyl chloroacetate 4 in the presence of sodium hydride at room temperature gave triazolothiadiazines 5a-p in good yields.
引用
收藏
页码:2421 / 2428
页数:8
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