title: Triruthenium and triosmium carbonyl clusters containing chiral bidentate NHC-thiolate ligands derived from levamisole.
abstract: The trinuclear complexes [M3(mu-Cl)(mu-S approximately CH)(CO)9] (M=Ru, Os; S approximately CH=1-ethylenethiolate-3-H-4-(S)-phenylimidazolin-2-ylidene) and [M3(mu-H)(mu-S approximately CMe)(CO)9] (M=Ru, Os; S approximately CMe=1-ethylenethiolate-3-methyl-4-(S)-phenylimidazolin-2-ylidene) have been prepared by treating [Ru3(CO)12] and [Os3(CO)10(MeCN)2] with levamisolium chloride or [M3(mu-H)(CO)11]- with methyl levamisolium triflate, respectively. The chiral N-heterocyclic carbene-thiolate ligands S approximately CH and S approximately CMe arise from the oxidative addition of the C-S bond of levamisolium or methyl levamisolium cations to anionic trinuclear clusters.
authors.affiliation: Departamento de Química Orgánica e Inorgánica, Instituto de Química Organometálica Enrique Moles, Universidad de Oviedo-CSIC, E-33071, Oviedo, Spain. jac@fq.uniovi.es
authors.forename: Javier A
authors.initials: JA
authors.lastname: Cabeza
authors.forename: Iván
authors.initials: I
authors.lastname: da Silva
authors.forename: Ignacio
authors.initials: I
authors.lastname: del Río
authors.forename: M Gabriela
authors.initials: MG
authors.lastname: Sánchez-Vega