Regioselection in 1,3-dipolar cycloadditions of 3-methylpyridine N-imide to aromatic carbonitriles.: Synthesis of 2-aryl-8-methyl[1,2,4]triazolo [1,5-a]pyridines

被引:0
|
作者
Zhang, GL [1 ]
Hu, YZ [1 ]
机构
[1] Zhejiang Univ, Coll Pharmaceut Sci, Dept Med Chem, Hangzhou 310031, Peoples R China
关键词
1,3-dipolar cycloaddition; pyridine N-imides; fused 1,2,4-triazoles; fused pyridines;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
1-Amino-3-methylpyridinium mesitylenesulfonate (3) reacts with aromatic nitriles in the presence of potassium hydroxide, undergoing 1,3-dipolar cycloaddition followed by elimination of H-2 to give 2-aryl-8-methyl[1,2,4]triazolo[1,5-a]pyridines as the major products, rather than the 6-methyl isomers.
引用
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页码:560 / 561
页数:2
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