Detection of platinum dihydride bisphosphine complexes and studies of their reactivity through para-hydrogen-enhanced NMR methods

In‐situ NMR studies on the reactions of Pt{CH2 = CHSi(Me)2}2O)(PCy3) with phosphines, HSiEt3 and ‐ hydrogen or Pt(L)(L′)(Me)2 alone enable the detection of cis‐Pt(L)(L′)(H)2 [L = PCy3 and L′ = PCy2H, PPh3 or PCy3] which then undergo hydride site interchange and H2 reductive elimination on the NMR ti...

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Bibliographic Details
Published in:Magnetic resonance in chemistry 2008, Vol.46 (S1), p.S107-S114
Main Authors: Godard, Cyril, López-Serrano, Joaquín, Gálvez-López, María-Dolores, Roselló-Merino, Marta, Duckett, Simon B., Khazal, Iman, Lledós, Agustí, Whitwood, Adrian C.
Format: Article
Language:English
Subjects:
EXSY
Hydrogen - chemistry
Magnetic Resonance Spectroscopy - methods
mechanism
NMR
para-hydrogen
PHIP-NMR
Phosphines - chemistry
Platinum Compounds - chemistry
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Summary:In‐situ NMR studies on the reactions of Pt{CH2 = CHSi(Me)2}2O)(PCy3) with phosphines, HSiEt3 and ‐ hydrogen or Pt(L)(L′)(Me)2 alone enable the detection of cis‐Pt(L)(L′)(H)2 [L = PCy3 and L′ = PCy2H, PPh3 or PCy3] which then undergo hydride site interchange and H2 reductive elimination on the NMR timescale. Copyright © 2008 John Wiley & Sons, Ltd.
ISSN:0749-1581
1097-458X
DOI:10.1002/mrc.2342