title: Redox-induced change in the ligand coordination mode.
abstract: The reaction of cobalt(II) pivalate with a spin-labeled Schiff base (HL(1)) in organic solvents formed trinuclear complex [Co3(Piv)2L(1)2L(2)2]·Solv (Solv is Me2CO and/or C7H16 and CH3CN) containing both nitroxide L(1) and the product of its single-electron reduction, nitrone L(2). The formation of [Co3(Piv)2L(1)2L(2)2] was a consequence of an unusual phenomenon, which we called "redox-induced change in the ligand coordination mode". A reduction of L(1) to L(2) led to a change in the set of donor atoms and even in the size of the metallocycle. This phenomenon was also found for mononuclear [CrL(1)2L(2)] and [FeL(1)2L(2)]·Me2CO.
authors.affiliation: International Tomography Centre, Russian Academy of Sciences , 630090 Novosibirsk, Russian Federation.
authors.forename: Victor
authors.initials: V
authors.lastname: Ovcharenko
authors.forename: Olga
authors.initials: O
authors.lastname: Kuznetsova
authors.forename: Elena
authors.initials: E
authors.lastname: Fursova
authors.forename: Galina
authors.initials: G
authors.lastname: Romanenko
authors.forename: Alexey
authors.initials: A
authors.lastname: Polushkin
authors.forename: Renad
authors.initials: R
authors.lastname: Sagdeev