Solvent free regioselective cyclization of 3-allylmercapto-1,2,4-triazoles to thiazolo[3,2-b]1,2,4-triazoles over sulfuric acid adsorbed on silica gel

被引:8
作者
Heravi, MM [1 ]
Khademalfoghara, HR
Sadeghi, MM
Khaleghi, S
Ghassemzadeh, M
机构
[1] Alzahra Univ, Dept Chem, Sch Sci, Tehran, Iran
[2] Quaid I Azam Univ, Dept Chem, Yazd, Iran
[3] Chem & Chem Engn Res Ctr Iran, Tehran, Iran
关键词
1,2,4-triazole; microwave irradiation; silica gel; sulfuric acid; thiazole; thiazolotriazole;
D O I
10.1080/104265091000624
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
3-mercapto-1,2,4-triazoles were condensed with allyl bromide in the presence of a base to afford the corresponding 3-allyl compounds 2. The latter were cyclized regioselectively to give 2,3-dihydro-3-methylthiazolo[3,2-b]1,2,4-triazoles 3.
引用
收藏
页码:377 / 380
页数:4
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