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Dalton Trans. 2009 Feb 21;(7):1206-13. doi: 10.1039/b813125b. Epub 2008 Dec 12.

Cis influence in trans-Pt(PPh3)2 complexes.

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  • 1Dipartimento di Chimica Inorganica, Metallorganica e Analitica "L. Malatesta", Universit√† degli Studi di Milano, via Venezian 21, 20133 Milano, Italy.

Abstract

The cis influence of a series of anionic ligands X and Y has been evaluated through the magnitude of the Pt-P coupling constants for compounds of formula trans-[PtXY(PPh(3))(2)]. The order of decreasing cis influence was found to be I > Cl > SePh approximately SPh approximately SEt > NO(3) > AcO approximately NO(2) > H > Me > Ph > mtc (mtc = N,N-dimethylmonothiocarbamato-S); moreover, the cis influences of the various ligands was found to be additive. The X-ray structures of three representative compounds (t-: X = Cl, Y = NO(3); t-: X = Cl, Y = AcO and t-: X = Y = NO(2)) have also been determined.

PMID:
19322493
[PubMed]
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