Alkylsulphinylpyridine ligands containing three potential donor centres: N, S and O atoms and two complexes of general formula trans-[PtCl2(PEt3)PySOR)] (R = Me and nPr) were prepared and characterized by elemental analysis, i.r. spectroscopy, 1H- and 31P-n.m.r. and X-ray crystallography. The ambidentate ligands act in both situations as monodentate ligands, bonded to the metal exclusively through the nitrogen atom. The crystal structures revealed the occurrence of discrete molecules and, in both complexes, the Pt atoms are coordinated in square planar arrangements by two chloride ions, in a trans configuration, by the pyridine nitrogen atom, and by the phosphine P atom. The oxygen atoms do not take part in the complexation scheme.
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de Sousa, G.F., Filgueiras, C.A., Mascarenhas, Y.P. et al. Synthesis, spectroscopic characterization and X-ray crystallographic studies of trans-[PtCl2(PEt3)(PySOR)] complexes, where PySOR = (2-methylsulphinyl)-pyridine and (2-n-propylsulphinyl)pyridine. Transition Metal Chemistry 27, 433–436 (2002). https://doi.org/10.1023/A:1015040116062
- Oxygen Atom
- Nitrogen Atom
- Donor Centre