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Issue 14, 2014
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Platinacycloalkane complexes containing [P,N] bidentate ligands: synthesis and decomposition studies

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Abstract

A new series of platinacyclopentanes (2a–2f) and platinacycloheptanes (3a–3f) of the type [Pt(N^P)(CH2)n] (n = 4, 6) were obtained by the reaction of [Pt(COD)(CH2)n] with the appropriate iminophosphine ligand (1a–1f). These complexes were characterised using a variety of spectroscopic and analytical techniques. X-ray structure analysis of complex 2a revealed a slightly distorted square planar geometry around platinum as a consequence of the ring strain imposed by the [P,N] chelate ring formed and the metallocycloalkane. Thermal decomposition analyses of the platinacycloalkanes revealed that the platinacyclopentanes are markedly stable, with the decomposition reaction requiring temperatures higher than 100 °C to occur. The major products obtained from the thermal decomposition reactions were 1-butene (for platinacyclopentanes) and 1-hexene (for platinacycloheptanes).

Graphical abstract: Platinacycloalkane complexes containing [P,N] bidentate ligands: synthesis and decomposition studies

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Publication details

The article was received on 07 Oct 2013, accepted on 03 Feb 2014 and first published on 18 Feb 2014


Article type: Paper
DOI: 10.1039/C3DT52798K
Citation: Dalton Trans., 2014,43, 5546-5557
  • Open access: Creative Commons BY-NC license
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    Platinacycloalkane complexes containing [P,N] bidentate ligands: synthesis and decomposition studies

    T. Mahamo, J. R. Moss, S. F. Mapolie, G. S. Smith, J. C. Slootweg and K. Lammertsma, Dalton Trans., 2014, 43, 5546
    DOI: 10.1039/C3DT52798K

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