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Issue 1, 2009
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Reactions of R2P–P(SiMe3)Li with [(R′3P)2PtCl2]. A general and efficient entry to phosphanylphosphinidene complexes of platinum. Syntheses and structures of [(η2-P[double bond, length as m-dash]PiPr2)Pt(p-Tol3P)2], [(η2-P[double bond, length as m-dash]PtBu2)Pt(p-Tol3P)2], [{η2-P[double bond, length as m-dash]P(NiPr2)2}Pt(p-Tol3P)2] and [{(Et2PhP)2Pt}2P2]

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Abstract

The reactions of lithium derivatives of diphosphanes R2P–P(SiMe3)Li (R = tBu, iPr, Et2N and iPr2N) with [(R′3P)2PtCl2] (R′3P = Et3P, Et2PhP, EtPh2P and p-Tol3P) proceed in a facile manner to afford side-on bonded phosphanylphosphinidene complexes of platinum [(η2-P[double bond, length as m-dash]PR2)Pt(PR′3)2]. The related reactions of Ph2P–P(SiMe3)Li with [(R′3P)2PtCl2] did not yield [(η2-P[double bond, length as m-dash]PPh2)Pt(PR′3)2] and resulted mainly in the formation of [{(R′3P)2Pt}2P2], Ph2P–PLi–PPh2, (Me3Si)2PLi and (Me3Si)3P. Crystallographic data are reported for the compounds [(η2-P[double bond, length as m-dash]PR2)Pt(p-Tol3P)2] (R = tBu, iPr, (iPr2N)2P) and for [{(Et2PhP)2Pt}2P2].

Graphical abstract: Reactions of R2P–P(SiMe3)Li with [(R′3P)2PtCl2]. A general and efficient entry to phosphanylphosphinidene complexes of platinum. Syntheses and structures of [(η2-P [[double bond, length as m-dash]] PiPr2)Pt(p-Tol3P)2], [(η2-P [[double bond, length as m-dash]] PtBu2)Pt(p-Tol3P)2], [{η2-P [[double bond, length as m-dash]] P(NiPr2)2}Pt(p-Tol3P)2] and [{(Et2PhP)2Pt}2P2]

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Publication details

The article was received on 08 May 2008, accepted on 12 Sep 2008 and first published on 03 Nov 2008


Article type: Paper
DOI: 10.1039/B807811D
Citation: Dalton Trans., 2009,0, 146-151
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    Reactions of R2P–P(SiMe3)Li with [(R′3P)2PtCl2]. A general and efficient entry to phosphanylphosphinidene complexes of platinum. Syntheses and structures of [(η2-P[double bond, length as m-dash]PiPr2)Pt(p-Tol3P)2], [(η2-P[double bond, length as m-dash]PtBu2)Pt(p-Tol3P)2], [{η2-P[double bond, length as m-dash]P(NiPr2)2}Pt(p-Tol3P)2] and [{(Et2PhP)2Pt}2P2]

    W. Domańska-Babul, J. Chojnacki, E. Matern and J. Pikies, Dalton Trans., 2009, 0, 146
    DOI: 10.1039/B807811D

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