Perfluoroalkylphosphine coordination chemistry of platinum: synthesis of (C2F5)2PPh and (C2F5)PPh2 complexes of platinum(II)

Dalton Transactions : an International Journal of Inorganic Chemistry
Jason D PalcicR Gregory Peters

Abstract

A 1:1 addition of Ph2PCl to an ethereal solution of C2F5Li (formed from the reaction of BuLi with C2F5Cl) yields Ph2P(C2F5)(abbreviated pfepp) (1). The introduction of a fluoroethyl group results in a phosphine with electronic characteristics that approximate phosphites, bridging the electronic gap between traditional donor phosphine ligands and more electrophilic phosphine ligands like PhP(C2F5)2 (2). The pfepp ligand 1 is isolated as a high boiling liquid, which crystallizes upon standing at room temperature in an inert atmosphere. A series of Pt(II) complexes of the type trans-L2PtCl2 (L = pfepp 3; PhP(C2F5)2 4) have been prepared and structurally characterized by multinuclear NMR, IR and X-ray crystallography. The crystal structure of is the first example of a structurally characterized monodentate phosphine with a pentafluoroethyl pendant group.

Citations

Sep 2, 2005·Chemical Communications : Chem Comm·Makeba B Murphy-JollyAndrew J M Caffyn
Oct 30, 2009·Chemical Communications : Chem Comm·Alan K Brisdon, Christopher J Herbert
Jan 1, 2010·Acta Crystallographica. Section E, Structure Reports Online·Michelle M ChoateRussell G Baughman
Jan 17, 2015·Chemical Reviews·Valentine G NenajdenkoAleksey V Shastin
Jul 28, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Alan K BrisdonRobin G Pritchard
Jan 28, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Lesley C Lewis-AlleyneAndrew J M Caffyn

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