Transition-Metal-Free Synthesis of Benzimidazoles Mediated by KOH/DMSO

被引:98
作者
Baars, Hannah [1 ]
Beyer, Astrid [1 ]
Kohlhepp, Stefanie V. [1 ]
Bolm, Carsten [1 ]
机构
[1] Rhein Westfal TH Aachen, Inst Organ Chem, D-52074 Aachen, Germany
关键词
C-H ACTIVATION; CATALYZED SYNTHESIS; BUTOXIDE; SUBSTITUTION; CYCLIZATION; HYDROXIDE;
D O I
10.1021/ol403414v
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Benzimidazoles are prepared by intramolecular N-arylations of amidines mediated by potassium hydroxide in DMSO at 120 degrees C. In this manner, diversely substituted products have been obtained in moderate to very good yields.
引用
收藏
页码:536 / 539
页数:4
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