Synthesis and investigation of mononuclear and binuclear cyano-bridged complexes of rhodium, ruthenium, and palladiumстатья
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Аннотация:Binuclear Rh-III and Ru-II complexes of the [M(1)-CN-M(2)](BF4-)-B-+ (M(1) and/or M(2) are (eta(5)-Cp)(eta(3)-C3H5)Rh and (eta(6)-C6H6)(eta(3)-C3H5)Ru) type, heteronuclear organometallic compound (eta(5)-CP)(eta(3)-C3H5)RhCNPd(eta(3)-C3H5)Cl, and mononuclear Rh-III and Ru-II complexes [(eta(3)-C3H5)LM(MeCN)](BF4-)-B-+ (M = Rh, L = eta(5)-Cp; M = Ru, L = eta(6)-C6H6) were synthesized. An electrochemical study of these compounds in solutions demonstrates that the bond between the bridged CN ligand and the metal atoms is rather strong, and there is no dissociation into mononuclear fragments in solutions. The kinetics of the reaction of [(eta(5)-Cp)(eta(3)-C3H5)Rh(MeCN)](BF4-)-B-+ with halide ions was studied by electrochemical methods. The ligand exchange proceeds by a bimolecular dissociative-exchange mechanism.