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Journal of the Mexican Chemical Society
versión impresa ISSN 1870-249X
Resumen
CERVANTES, Ruy; DURAN, Ubaldo; BERNES, Sylvain y TORRENS, Hugo. CF3S-Platinum(II) Complexes with Fluorinated Dithioethers: Molecular Structures of [Pt(SCF3)2(RfSCH2CH2SRf)] Rf = C6H4F-2 and C6H4F-3. J. Mex. Chem. Soc [online]. 2007, vol.51, n.1, pp.20-26. ISSN 1870-249X.
This paper describes the synthesis and characterization of the platinum(II) compounds cis-[Pt(SCF3)2(RfSCH2CH2SRf)] Rf = C6F5 1, C6HF4-4 2, C6H4F-2 3, C6H4F-3 4, C6H4F-4 5 and C6H4(CF3)-3 6. Variable temperature 19F NMR spectra of these complexes, show the presence and interconvertion of syn and anti isomers, consistent with a fast flipping of the metalocycle ring and a slow inversion of configuration at the dithioether sulfur atoms. The molecular and crystalline structures of the compounds [Pt(SCF3)2(2-C6H4FSCH2CH2SC6H4F-2)] 3 and [Pt(SCF3)2(3-C6H4FSCH2CH2SC6H4F-3)] 4, solved by X-ray diffraction are also described.
Palabras llave : fluorothiols; fluorothioetheres; platinum; VT-NMR; X-ray.