Diborolyl triple-decker complexes with carbonyl ligands: Synthesis, structures and electrochemistry

A.S. Romanov, D.V. Muratov, E.A. Petrovskaya, F. Fabrizi De Biani, M. Corsini, A.R. Kudinov

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract
Triple-decker complexes with a bridging diborolyl ligand CpCo(μ-1,3-C3B2Me5)M(CO)3 (M = Mn, 2; Re, 3), CpCo(μ-1,3-C3B2Me5)Ru(CO)2Cl (4) and CpCo(μ-1,3-C3B2Me5)Ru(CO)(μ-CO)2Ru(CO)Cp (5) were synthesized by reaction of the sandwich anion [CpCo(1,3-C3B2Me5)]– (1) with [(naphthalene)Mn(CO)3]+, [Re(CO)3(THF)2Br]2, or [Ru(CO)3Cl2]2. Structures of 4 and 5 were determined by X-ray diffraction. The spectroelectrochemical behaviour of compounds 2 and 3 was studied. IR-spectroscopical and computational data suggest that anion 1 is significantly stronger donor than Cp− but slightly weaker than Cp*–.

Graphical abstract
The synthesis, structures, spectroelectrochemical behaviour as well as bonding of carbonyl-containing triple-decker complexes is described. IR-spectroscopical and computational data suggest that anion [CpCo(C3B2Me5)]− is stronger donor than Cp− but weaker than Cp*−.
Original languageEnglish
Pages (from-to)177-184
Number of pages8
JournalJournal of Organometallic Chemistry
Volume767
DOIs
Publication statusPublished - 2014

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