Application of dimeric and monomeric ortho-palladated complexes as an efficient catalysts for Heck cross-coupling reaction

Authors

  • Ali Naghipour Department of Chemistry, Faculty of science, Ilam University, Ilam, 69315-516, Iran
  • Mohsen Sayadi Department of Chemistry, Faculty of science, Ilam University, Ilam, 69315-516, Iran
  • Mojdeh Hashemi Department of Chemistry, Faculty of science, Ilam University, Ilam, 69315-516, Iran
  • Mosstafa Kazemi Bashgah Pajouheshgaran Javan, Islamic Azad University of Ilam, P.O. Box 447, Ilam, Iran
Abstract:

The catalytic acvtivity of dimeric and monomeric ortho-palladated complexes [Pd{C6H2(CH2NH2-(OMe)2,3,4}(µ-Cl)]2)2) and [Pd{C6H2(CH2NH2-(OMe)2,3,4}Cl(PPh3)](3), was investigated in Heck cross-coupling reaction. These complexes are more active and efficient catalysts for Heck cross-coupling reaction. The palladium complexes 2 and 3 is employed in the Heck cross-coupling reaction between styrene and acrylate with several aryl halides. High yields of corresponding C–C products, low catalyst loadings, mild reaction conditions and short reaction times are important features of these homogeneous reactions. The cross-coupled products were produced in high yields using catalytic amounts of [Pd{C6H2(CH2NH2-(OMe)2,3,4}(µ-Cl)]2 or [Pd{C6H2(CH2NH2-(OMe)2,3,4}Cl(PPh3)] as a thermally stable and oxygen insensitive complexes in NMP at 130 ºC.

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Journal title

volume 1  issue Issue 1 (pp. 1-82)

pages  69- 82

publication date 2013-11-09

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