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

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Title Application of quinoxaline based diimidazolium salt in palladium catalyzed cross-coupling reactions
 
Creator SIDDIQUI, MM
WAHEED, M
BHAT, SA
BALAKRISHNA, MS
 
Subject HETEROCYCLIC-CARBENE COMPLEXES
C-C
LIGANDS
CHEMISTRY
GROUP-10
Carbene
Imidazolium salt
Suzuki-Miyaura coupling
Mizoroki-Heck coupling
Palladium (II)
 
Description 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.
 
Publisher INDIAN ACAD SCIENCES
 
Date 2016-01-14T12:32:48Z
2016-01-14T12:32:48Z
2015
 
Type Article
 
Identifier JOURNAL OF CHEMICAL SCIENCES, 127(5)879-884
0974-3626
0973-7103
http://dx.doi.org/10.1007/s12039-015-0844-8
http://dspace.library.iitb.ac.in/jspui/handle/100/17506
 
Language en