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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/127/05/0879-0884

    • Keywords

       

      Carbene; Imidazolium salt; Suzuki-Miyaura coupling; Mizoroki-Heck coupling; Palladium (II).

    • 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.

    • Author Affiliations

       

      Mujahuddin M Siddiqui1 Mohammed Waheed1 Sajad A Bhat1 Maravanji S Balakrishna1

      1. Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India

    • Dates

       
      Published
      May 2015
      Manuscript received
      1 November 2014
      Manuscript revised
      22 January 2015
      Accepted
      24 January 2015

    • Supplementary Material

       

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