Abstract
Triazenido-bridged binuclear palladium(II) and platinum(II) complexes of the type [M 2X 2(μ-ArNNNAr) 2(PR 3 2 (where M = Pd or Pt; X = Cl, Me, p-tol; Ar = Ph, p-tol or p-C 6H 4F; PR 3 = PEt 3, PEt 3, PBu 3, PMe 2Ph or PMePh 2 have been prepared by the reaction of [M 2X 2(μ-Cl) 2(PR 3) 2] with free triazene in the presence of NaOH. These complexes were characterised by elemental analyses, IR and NMR ( 1H, 31P, 195Pt) spectroscopy. Variable temperature NMR data reveal that the eight-membered metallocyclic ring has a rigid conformation. 195Pt NMR data showed the existence of significant metal-metal interaction. A few reactions of these complexes have also been investigated by NMR spectroscopy.
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