Application of quinoxaline based diimidazolium salt in palladium catalyzed cross-coupling reactions / created by Mujahuddin M. Siddiqui, Mohammed Waheed, Sajad A. Bhat and Maravanji S. Balakrishna

By:

Siddiqui, Mujahuddin M [author]

Contributor(s):

Material type: Text

TextSeries: Journal of chemical sciences ; Volume 127, number 5,Bangalore : Springer, 2015Content type:

text

Media type:

unmediated

Carrier type:

volume

ISSN:

09743626

Subject(s):

Carbene -- Imidazolium salt -- Suzuki-Miyaura coupling

LOC classification:

QD31 JOU

Online resources:

Click here to access online

Abstract: 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.

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Item type	Current library	Call number	Vol info	Status	Notes	Date due	Barcode
Journal Article	Main Library - Special Collections	QD31 JOU (Browse shelf(Opens below))	Vol. 127, no.5 (pages 879-884)	Not for loan	For in house use only

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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.

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