Heteropolymetallic complexes containing 1,1′-diphenylphosphino-ferrocene |
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Authors: | Santo Lanza Federique Loiseau |
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Affiliation: | Dipartimento di Chimica Inorganica, Chimica Fisica e Chimica Analitica, Università di Messina, Salita Sperone 31, 98166, Messina, Italy |
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Abstract: | The paper explores the capability of [(dppf)Pt(H-nbu2-DTO)]Cl (2) (dppf = 1,1′-diphenylphosphinoferrocene; H-nbu2-DTO = di-nbutyl-dithioxamidate) to act as a starting module for heterometallic linear chains. Actually, the reaction of 2 with [RuCl2(p-cymene)]2 affords the heterotrimetallic complex [Cl(p-cymene) Ru(μ-nbu2-DTO κ-N,N Ru κ-S,S Pt)Pt(dppf κ-P,P Pt) ]2 (4). However 2, allowed to stand, provides a blue compound of formula [(dppf)Pt(H-nbu2-DTO)]nCln (3), the most reliable value of n being 6. The oxidation behavior of the new species 2-4 has also been investigated. In particular, the oxidation behavior of cyclic compound 3 is quite unusual, and suggests a large delocalization of the HOMO over the whole multicomponent molecule. |
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Keywords: | Heteropolymetallic complexes Diphenylphosphinoferrocene (ddpf) Platinum complexes Ruthenium complexes Cyclic voltammetry |
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