Application of quinoxaline based diimidazolium salt in palladium catalyzed cross-coupling reactions

被引：7
|
作者：
Siddiqui, Mujahuddin M. [1 ]
Waheed, Mohammed [1 ]
Bhat, Sajad A. [1 ]
Balakrishna, Maravanji S. [1 ]
机构：
[1] Indian Inst Technol, Dept Chem, Phosphorus Lab, Bombay 400076, Maharashtra, India
来源：
JOURNAL OF CHEMICAL SCIENCES | 2015年 / 127卷 / 05期
关键词：
Carbene; Imidazolium salt; Suzuki-Miyaura coupling; Mizoroki-Heck coupling; Palladium (II); HETEROCYCLIC-CARBENE COMPLEXES; C-C; LIGANDS; GROUP-10;
D O I：
10.1007/s12039-015-0844-8
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The reaction of 2,3-bis(bromomethyl)quinoxaline with imidazole afforded the quinoxaline bridged diimidazolium salt (1) in good yield. Diimidazolium salt (1) in conjunction with Pd(OAc)(2) was employed as a catalyst for C-C cross-coupling reactions. The diimidazolium salt was found to be efficient in catalyzing Suzuki-Miyaura cross-coupling reaction in ethanol under ambient conditions. Moderate to good selectivity of the trans product was observed in the Heck cross-coupling reaction. The molecular structure of 1 was confirmed by single crystal X-ray diffraction study.
引用
收藏
页码：879 / 884
页数：6
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