KF/Al2O3: an efficient solid heterogeneous base catalyst in one-pot synthesis of benzimidazoles and bis-benzimidazoles at room temperature

被引:26
|
作者
Khalili, Saeed Bahadori [1 ]
Sardarian, Ali Reza [1 ]
机构
[1] Shiraz Univ, Dept Chem, Coll Sci, Shiraz 71454, Iran
来源
MONATSHEFTE FUR CHEMIE | 2012年 / 143卷 / 05期
关键词
Benzimidazole; Bis-benzimidazole; Potassium fluoride; 1,2-Phenylenediamine; 3,3 '-Diaminobenzidine; MICROWAVE-ASSISTED SYNTHESIS; 2-SUBSTITUTED BENZIMIDAZOLES; CONVENIENT SYNTHESIS; POTASSIUM FLUORIDE; MEDIATED SYNTHESIS; BENZOXAZOLES; BENZOTHIAZOLES; DERIVATIVES; ALUMINA; 2-ARYLBENZIMIDAZOLES;
D O I
10.1007/s00706-011-0647-7
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
KF/Al2O3 is an efficient solid heterogeneous base catalyst in the one-pot synthesis of 2-substituted benzimidazoles and 2,2'-disubstituted bis-benzimidazoles from 1,2-phenylenediamines or 3,3'-diaminobenzidines and acid chlorides, anhydrides, and esters at room temperature.
引用
收藏
页码:841 / 846
页数:6
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