[Ru3(6-NHC)(CO)10]: Synthesis, Characterization and Reactivity of Rare 46-Electron Tri-ruthenium Clusters

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Abstract

[Ru3(CO)12] reacts at room temperature with N-alkyl substituted 6-membered ring N-heterocyclic carbenes (6-NHC) to form [Ru3(6-NHC)(CO)10] (6-NHC = 6-iPr 1, 6-Et 2 and 6-Me 4), rare examples of coordinatively unsaturated (46-electron) ruthenium clusters. Complexes 1, 2 and 4 have been structurally characterised, along with the tetranuclear ruthenium cluster [Ru4(6-Et)2(CO)11] 3 that is formed along with 2. The degradation of the 6-iPr derivative 1 by pyrimidinium salt elimination helped to explain the poor activity of the complex in the catalytic acylation of pyridine.
Original languageEnglish
Pages (from-to)4518-4523
Number of pages6
JournalDalton Transactions
Volume47
Issue number13
Early online date21 Feb 2018
DOIs
Publication statusPublished - 7 Apr 2018

ASJC Scopus subject areas

  • Inorganic Chemistry

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