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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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Supplementary files

Article information


Submitted
28 Aug 2007
Accepted
01 Nov 2007
First published
29 Nov 2007

Dalton Trans., 2008, 699-706
Article type
Paper

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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