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Portugaliae Electrochimica Acta
versión impresa ISSN 0872-1904
Resumen
MARTINS, Luisa M.D.R.S. et al. Electrochemical Properties of (η5-C5Me5)-Rhodium and - Iridium Complexes Containing Bis(pyrazolyl)alkane Ligands. Port. Electrochim. Acta [online]. 2014, vol.32, n.4, pp.253-257. ISSN 0872-1904. https://doi.org/10.4152/pea.201404253.
The electrochemical properties of rhodium(III) 1-3 and iridium(III) 4-6 complexes containing bis(pyrazolyl)alkane ligands [MCp*Cl(R2C(3,5-R'2pz)2)]X (M = Rh (1) or Ir (4), R = R' = H, X = Cl; M = Rh (2) or Ir (5), R=H,R'=Me,X=Cl;M=Rh(3) or Ir (6), R=Me,R'=H,X=OTf;pz=pyrazolyl;Cp*=η5-C5Me5) were investigated by cyclic voltammetry and controlled potential electrolysis. They exhibit two sequential irreversible reductions assigned to the MIII → MII and MII → MI reductions, which are dependent on the methylation of the bis(pyrazolyl)alkane ligands.
Palabras clave : bis(pyrazolyl)alkane; rhodium(III) and iridium(III) complexes; cyclic voltammetry; controlled potential electrolysis.