The oxidation mechanism of a series of mixed-ligand five-coordinate cobalt(I) complexes of the type [Co(CNR)3L2]+ (R = C6H5, 4-CH3C6H4, 4-CH3OC6H4, 4-NO2C6H4, and 2,6-(CH3)2C6H3; L = P(OCH3)3 and P(C6H5)(OC2H5)2) on mercury and platinum electrodes in dichloromethane is described. The primary reversible electron transfer between electrode and depolarizer is followed by a fast chemical reaction which brings about a change in configuration (and a dimerization). Correlations between redox properties of the species and their structural features are discussed. © 1980.
Redox behaviour of mixed-ligand five-coordinate cobalt(I) complexes with isocyanides and phosphines
ALBERTIN, Gabriele;BORDIGNON, Emilio;ORIO, Angelo Antonio
1980-01-01
Abstract
The oxidation mechanism of a series of mixed-ligand five-coordinate cobalt(I) complexes of the type [Co(CNR)3L2]+ (R = C6H5, 4-CH3C6H4, 4-CH3OC6H4, 4-NO2C6H4, and 2,6-(CH3)2C6H3; L = P(OCH3)3 and P(C6H5)(OC2H5)2) on mercury and platinum electrodes in dichloromethane is described. The primary reversible electron transfer between electrode and depolarizer is followed by a fast chemical reaction which brings about a change in configuration (and a dimerization). Correlations between redox properties of the species and their structural features are discussed. © 1980.
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