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Issue 5, 2008
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Pd(II) complexes with mixed benzothiazolin-2-ylidene and phosphine ligands and their catalytic activities toward C–C coupling reactions

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Abstract

Novel Pd(II) mixed N,S-heterocyclic carbene (NSHC)-phosphine complexes of the general formula [PdBr2(NSHC)(PR3)] were obtained from bridge cleavage of dinuclear NSHC complexes of type [PdBr2(NSHC)]2 [NSHC = 3-benzylbenzothiazolin-2-ylidene and 3-propylbenzothiazolin-2-ylidene] with triphenylphosphine, tricyclohexylphosphine and 2-diphenylphosphanyl-pyridine. All complexes have been fully characterized by 1H and 13C NMR spectroscopy, ESI mass spectrometry and elemental analysis. The X-ray crystal structures of complexes 3–8 are reported. The complexes exhibit moderate to good catalytic activity in the Suzuki–Miyaura coupling reaction of aryl bromides and chlorides.

Graphical abstract: Pd(ii) complexes with mixed benzothiazolin-2-ylidene and phosphine ligands and their catalytic activities toward C–C coupling reactions

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Publication details

The article was received on 28 Aug 2007, accepted on 01 Nov 2007 and first published on 29 Nov 2007


Article type: Paper
DOI: 10.1039/B713152F
Dalton Trans., 2008, 699-706

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    Pd(II) complexes with mixed benzothiazolin-2-ylidene and phosphine ligands and their catalytic activities toward C–C coupling reactions

    S. K. Yen, L. L. Koh, H. V. Huynh and T. S. A. Hor, Dalton Trans., 2008, 699
    DOI: 10.1039/B713152F

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