title: Heterobimetallic complexes of cobalt(IV) porphyrin-corrole dyads. Synthesis, physicochemical properties, and X-ray structural characterization.
abstract: The synthesis of a novel family of heterobinuclear cofacial biphenylene (B), anthracene (A), 9,9-dimethylxanthene (X), or dibenzofuran (O) bridged porphyrin-corrole complexes, (PCY)MClCoCl, is reported, M being either an iron(III) or manganese(III) ion. Each complex was characterized by electrochemistry, mass spectrometry, UV-vis, IR, and electron spin resonance spectroscopy. Unlike previously examined biscobalt porphyrin-corrole dyads, the cobalt ion of the corrole moiety is present in a high-valence +4 oxidation state, as proven by electrochemistry, spectroelectrochemistry, and an X-ray diffraction study of (PCB)FeClCoCl, which shows the presence of a bound Cl- anion on the cobalt corrole. Structural data: (PCB)FeClCoCl x 0.5(C7H16) x 0.5(CH2Cl2) x 2H2O, triclinic, space group P1, a = 13.8463(3) A, b = 16.8164(5) A, c = 17.9072(6) A, alpha = 93.780(1) degrees, beta = 111.143(1) degrees, gamma = 97.463(2) degrees, Z = 2.
authors.affiliation: Faculté des Sciences Gabriel, Université de Bourgogne, LIMSAG UMR 5633, 6 Boulevard Gabriel, 21000 Dijon, France. Roger/Guilard@u-bourgogne.fr
authors.forename: Roger
authors.initials: R
authors.lastname: Guilard
authors.forename: Fabien
authors.initials: F
authors.lastname: Burdet
authors.forename: Jean-Michel
authors.initials: JM
authors.lastname: Barbe
authors.forename: Claude P
authors.initials: CP
authors.lastname: Gros
authors.forename: Enrique
authors.initials: E
authors.lastname: Espinosa
authors.forename: Jianguo
authors.initials: J
authors.lastname: Shao
authors.forename: Zhongping
authors.initials: Z
authors.lastname: Ou
authors.forename: Riqiang
authors.initials: R
authors.lastname: Zhan
authors.forename: Karl M
authors.initials: KM
authors.lastname: Kadish