Facile insertion and halogen migration reactions of the hexaphosphapentaprismane cage P6C4tBu4 with zerovalent and divalent platinum complexes

Mahmoud M. Al-Ktaifani; Peter B. Hitchcock; John F. Nixon

doi:10.1039/B719064F

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Facile insertion and halogen migration reactions of the hexaphosphapentaprismane cage P₆C₄^tBu₄ with zerovalent and divalent platinum complexes†

Mahmoud M. Al-Ktaifani,^a Peter B. Hitchcock^a and John F. Nixon*^a

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* Corresponding authors

^a Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton, Sussex, UK

Abstract

The hexaphosphapentaprismane P₆C₄^tBu₄ undergoes specific insertion of the zerovalent platinum fragment [Pt(PPh₃)₂] into the unique P–P bond between the 5-membered rings to afford [Pt(PPh₃)₂P₆C₄^tBu₄]. A similar reaction with the Pt(II) complexes [{PtCl₂(PMe₃)}₂] and [PtCl₂(η⁴-COD)] results in both insertion and chlorine migration reactions. The complexes [Pt(PPh₃)₂P₆C₄^tBu₄], trans-[PtCl(PMe₃)P₆C₄^tBu₄Cl], cis-,trans-[{PtCl₂(PMe₃)}µ-{P₆C₄^tBu₄}{PtCl₂(PMe₃)}], [{PtClP₆C₄^tBu₄Cl}₂] and cis-[PtClP₆C₄^tBu₄Cl(P₆C₄^tBu₄)] have been structurally characterized by single crystal X-ray diffraction and multinuclear NMR studies.

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Supplementary files

Crystal structure data TXT (114K)

Article information

DOI: https://doi.org/10.1039/B719064F
Article type: Communication
Submitted: 10 Dec 2007
Accepted: 14 Dec 2007
First published: 18 Jan 2008

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Dalton Trans., 2008, 1132-1135

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Facile insertion and halogen migration reactions of the hexaphosphapentaprismane cage P₆C₄^tBu₄ with zerovalent and divalent platinum complexes

M. M. Al-Ktaifani, P. B. Hitchcock and J. F. Nixon, Dalton Trans., 2008, 1132 DOI: 10.1039/B719064F

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Dalton Transactions