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022 _a09743626
040 _aMSU
_bEnglish
_cMSU
_erda
050 0 0 _aQD31 JOU
100 1 _aSiddiqui, Mujahuddin M.
_eauthor
245 1 0 _aApplication of quinoxaline based diimidazolium salt in palladium catalyzed cross-coupling reactions /
_ccreated by Mujahuddin M. Siddiqui, Mohammed Waheed, Sajad A. Bhat and Maravanji S. Balakrishna
264 1 _aBangalore :
_bSpringer,
_c2015.
336 _2rdacontent
_atext
_btxt
337 _2rdamedia
_aunmediated
_bn
338 _2rdacarrier
_avolume
_bnc
440 _aJournal of chemical sciences
_vVolume 127, number 5,
520 3 _aThe 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.
650 _aCarbene
_vImidazolium salt
_xSuzuki-Miyaura coupling
700 1 _aWaheed, Mohammed
_eco author
700 1 _aBhat, Sajad A.
_eco author
700 1 _aBalakrishna, Maravanji S.
_eco author
856 _uhttps://doi.org/10.1007/s12039-015-0844-8
942 _2lcc
_cJA
999 _c169326
_d169326