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Chinese Journal of Organic Chemistry >

2013 , Vol. 33 >Issue 03: 611 - 614

DOI: https://doi.org/10.6023/cjoc201211002

Articles

Suzuki Cross-Coupling Reactions in Dicationic Room Temperature Ionic Liquid

  • Zhang Chuanyue ,
  • Shi Ruobing ,
  • Chen Caiyuan ,
  • Jin Chuanming
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  • Hubei Normal University, Hubei Province Key Laboratory of Pollutant Analysis and Reuse Technology, Huangshi 435002

Received date: 2012-11-01

  Revised date: 2012-11-22

  Online published: 2012-11-26

Supported by

Project supported by the National Natural Science Foundation of China (No. 21171053) and the Science Foundation of Hubei Provincial Department of Education (No. Z20102501).

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Abstract

Room temperature ionic liquid (RTIL) 2 with pincer bisimidazole cationic nuclei was prepared. Its phase transition and thermal decomposition temperature are -51 and 412 ℃, respectively. Suzuki reactions have been studied when different catalyst PdCl2, Pd(OAc)2, Pd-N-heterocyclic carbene complex 3 were used in RTIL 2. The results indicate that aryl bromide can react with phenylboronic acid in the yield of over 85% in the presence of NaOAc and 0.5 mol% Pd-NHC 3, and the loading capability of Pd-NHC 3 in RTIL 2 is best. This high efficient catalytic system is environmentally benign, recoverable and easily separated with products.

Key words： room temperature ionic liquids; Suzuki cross-coupling reactions; N-heterocyclic carbene complex; palladium

Cite this article

Zhang Chuanyue , Shi Ruobing , Chen Caiyuan , Jin Chuanming . Suzuki Cross-Coupling Reactions in Dicationic Room Temperature Ionic Liquid[J]. Chinese Journal of Organic Chemistry, 2013 , 33(03) : 611 -614 . DOI: 10.6023/cjoc201211002

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