Mild oxidation of 1,3,5-trisubstituted pyrazolines with N-bromo-sulphonamides

被引：24

作者：

Ghorbani-Vaghei, R ^{[1
]}

Azarifar, D ^{[1
]}

Maleki, B ^{[1
]}

机构：

[1] Bu Ali Sina Univ, Fac Sci, Dept Chem, Hamadan, Iran

来源：

JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2004年 / 51卷 / 06期

关键词：

pyrazolines; oxidation; aromatization; BNBTS; TBBDA;

D O I：

10.1002/jccs.200400200

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

1,3,5-Trisubstituted pyrazolines to pyrazoles are carried out efficiently in the presence of new reagents N,N,N',N'-tetrabromo-benzene-1,3-disulfonylamine [TBBDA] and N,-dibromo-N,N'-1,2-etbanediylbis-(p-toluenesulphonamide) [BNBTS] in solvent-free conditions with catalytic amounts of SiO2 under microwave irradiation in high yields.

引用

页码：1373 / 1376

页数：4

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