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Revista de la Sociedad Química de México
versión impresa ISSN 0583-7693
Resumen
BAUTISTA, Jorge et al. Compuestos perazufrados de platino(II) con ditioéteres y tiolatos fluorados: Estructuras cristalinas de [Pt(SC6F5)2(p-C6H4FSCH2CH2-p-SC6H4F)], [Pt(p-SC6HF4)2(o-C6H4FSCH2CH2-o-SC6H4F)] Y [Pt(p-SC6HF4)2(p-C6H4FSCH2CH2-p-SC6H4F)]. Rev. Soc. Quím. Méx [online]. 2003, vol.47, n.1, pp.44-52. ISSN 0583-7693.
This paper describes the synthesis and characterization of compounds cis-[PtCl2(RfSCH2CH2SRf)], Rf = C6F5, p-SC6HF4, o-SC6H4F, m-SC6H4F, p-SC6H4F, m-SC6H4(CF3), and the reactions of these compounds with (SC6F5)- and (p-SC6HF4)- yielding cis-[Pt(SC6F5)2(RfSCH2CH2SRf)] and cis-[Pt(p-SC6HF4) 2(RfSCH2CH2 SRf)], Rf = o-SC6H4F, m-SC6H4F, p-SC6H4F, m-SC6H4(CF3). Variable temperature 19F RMN of these complexes, show the presence and interconversion of syn and anti isomers, consistent with a fast flipping of the metalocycle ring and a slow inversion of configuration at the sulfur atoms of the dithioeter. The molecular and crystalline structures of compounds [Pt(SC6F5)2(p-C6H4FSCH2CH2-p-SC6H4F)], [Pt(p-SC6HF4)2(o-C6H4FSCH2CH2-o-SC6H4F)] and [Pt(p-SC6HF4)2(p-C6H4FSCH2CH2-p-SC6H4F)], solved by X-ray diffraction are also described.
Palabras llave : Fluorothioles; fluorothioethers; platinum; VTNMR; X-ray.