[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.
LanguageEnglish
Pages4518-4523
Number of pages6
JournalDalton Transactions
Volume47
Issue number13
Early online date21 Feb 2018
DOIs
StatusPublished - 7 Apr 2018

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Ruthenium
Carbon Monoxide
Electrons
Acylation
Salts
Derivatives
Degradation
carbene
Temperature

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@article{3664de2bc2de47d18b2caacb1ca4d873,
title = "[Ru3(6-NHC)(CO)10]: Synthesis, Characterization and Reactivity of Rare 46-Electron Tri-ruthenium Clusters",
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.",
author = "Charles Ellul and John Lowe and Mary Mahon and Paul Raithby and Michael Whittlesey",
year = "2018",
month = "4",
day = "7",
doi = "10.1039/C8DT00189H",
language = "English",
volume = "47",
pages = "4518--4523",
journal = "Dalton Transactions",
issn = "1477-9226",
publisher = "Royal Society of Chemistry",
number = "13",

}

TY - JOUR

T1 - [Ru3(6-NHC)(CO)10]: Synthesis, Characterization and Reactivity of Rare 46-Electron Tri-ruthenium Clusters

AU - Ellul, Charles

AU - Lowe, John

AU - Mahon, Mary

AU - Raithby, Paul

AU - Whittlesey, Michael

PY - 2018/4/7

Y1 - 2018/4/7

N2 - [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.

AB - [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.

U2 - 10.1039/C8DT00189H

DO - 10.1039/C8DT00189H

M3 - Article

VL - 47

SP - 4518

EP - 4523

JO - Dalton Transactions

T2 - Dalton Transactions

JF - Dalton Transactions

SN - 1477-9226

IS - 13

ER -