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Synthesis and Characterisation of Bis(diphenylphosphino)amine Complexes of Platinum(II)

DOI: 10.1039/DT9930002393

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 2393 - 2400 (1993)

Update date:2022-08-05

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Authors:

Bhattacharyya, PravatBhattacharyya, Pravat

Sheppard, Richard N.Sheppard, Richard N.

Slawin, Alexandra M. Z.Slawin, Alexandra M. Z.

Williams, David J.Williams, David J.

Woollins, J. DerekWoollins, J. Derek

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Article abstract of DOI:10.1039/DT9930002393

The complexes Cl (PR3 = PMe3, PMe2Ph, PMePh2, P(n-Bu)3, PPh3 or PEt3) have been prepared by the reaction of bis(diphenylphosphino)amine, dppa(Ph2PNHPPh2), with cis- in CH2Cl2.With (dppe = Ph2PCH2CH2PPh2), Cl2 is formed.The PEt3 complex undergoes halide exchange with excess of Br(1-) or I(1-) to give X.The compound has been prepared from (cod = cycloocta-1,5-diene).The products have been characterised by (31)P-<(1)H>, (195)Pt and (1)H NMR spectroscopy, microanalysis and FAB mass spectrometry.The molecular structures of Cl*1.5CHCl3. Cl and Cl2*CH2Cl2 have been determined by single-crystal X-ray diffraction, and show a square-planar arrangement around the platinum with the dppa acting as a chelate through both phosphorus atoms to give a four-membered PtP2N ring whose geometry is distinctly different from that of the deprotonated systems.All of the dppa NH groups hydrogen bond to an adjacent Cl(1-) in the solid state.

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Product name:{PtCl(P(C4H9)3)((C6H5)2PNHP(C6H5)2)}(1+)*Cl(1-)={PtCl(P(C4H9)3)((C6H5)2PNHP(C6H5)2)}Cl

Cas No:151301-44-9

151301-44-9

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