Synthesis and characterization of monomeric palladium(II) pyridine-2-chalcogenolate complexes
作者： Sanjay Narayan , Vimal K. Jain , K. Panneerselvam , Tian Huey Lu , Shu-Fang Tung
DOI: 10.1016/S0277-5387(98)00426-4
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摘要: Abstract Mononuclear palladium(II) complexes of the type [Pd(Epy)(S∩S)(PPh3)] [E=S or Se; S∩S=S2CNEt2, S2P(OR)2 (R=Et, Prn, Pri)] have been prepared. All characterized by elemental analysis and NMR (1H, 31P{1H}, 77Se{1H}) spectral data. The data indicate that there are two species in solution, i.e. one with chelating S∩S ligand predominates (∼95%) while other Epy monodentate existing ∼5% concentration. X-ray crystal structure [Pd(Spy){S2P(OPri)2}(PPh3)] has determined. square planar palladium atom is coordinated to asymmetrically chelated (PriO)2PS2− ligand, PPh3 pyS− groups.
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