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Issue 44, 2015
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Coinage metal complexes supported by a “PN3P” scaffold

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A series of monovalent group 11 complexes, [2,6-{Ph2PNMe}2(NC5H3)]CuBr 1, [2,6-{Ph2PNMe}2(NC5H3)]CuOTf 2, [2,6-{Ph2PNMe}2(NC5H3)]AgOTf 3, and [2,6-{Ph2PNMe}2(NC5H3)](AuCl)24, supported by a neutral PN3P ligand have been synthesized and characterized by multinuclear NMR and single crystal X-ray diffraction studies. The variation of the coordination properties were analyzed and electronic structure calculations have been carried out to provide insight on the bonding details in these complexes. The Cu(I) complexes displayed an unusual coordination geometry with a tridentate pincer ligand and an overall four coordinate trigonal pyramidal geometry. In contrast the Ag(I) analogue displayed a bidentate κ2-P,P′ ligation leaving the pyridyl-N atom uncoordinated and yielding a pyramidalized trigonal planar geometry around Ag. The bimetallic Au(I) complex completed the series and displayed a monodentate P-bonded ligand and a linear coordination geometry.

Graphical abstract: Coinage metal complexes supported by a “PN3P” scaffold

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Publication details

The article was received on 09 Sep 2015, accepted on 06 Oct 2015 and first published on 09 Oct 2015

Article type: Paper
DOI: 10.1039/C5DT03515E
Author version available: Download Author version (PDF)
Citation: Dalton Trans., 2015,44, 19153-19162
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    Coinage metal complexes supported by a “PN3P” scaffold

    G. K. Rao, S. I. Gorelsky, I. Korobkov and D. Richeson, Dalton Trans., 2015, 44, 19153
    DOI: 10.1039/C5DT03515E

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