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Electronic effects in mixed N-heterocyclic carbene/phosphite indenylidene ruthenium metathesis catalysts

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Bidal_2019_DT_Electroniceffects_AAM.pdf (906.7Kb)
Date
14/08/2019
Author
Bidal, Yannick D.
Urbina-Blanco, César A.
Poater, Albert
Cordes, David B.
Slawin, Alexandra M. Z.
Cavallo, Luigi
Cazin, Catherine S. J.
Keywords
QD Chemistry
DAS
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Abstract
Five new complexes [RuCl2(SIMes)(Ind)(O-pXC5H4)] bearing different para-substituted triphenylphosphites (X = H, OCH3, CF3, Cl, SF5 and CN) were synthesised and used to study the effect of the electronic properties of the phosphite on olefin metathesis activity. Investigations of the physical properties of the new ligands and complexes were performed using physicochemical and DFT calculations. The catalytic activity of the complexes was benchmarked in challenging ring closing metathesis transformations featuring the formation of tetra-substituted double bonds. Complex [RuCl2(SIMes)(Ind)P(O-pCF3C5H4)3] (3c) exhibited a particularly high catalytic activity, superior to state-of-the-art catalysts, and was further tested on a wide range of substrates.
Citation
Bidal , Y D , Urbina-Blanco , C A , Poater , A , Cordes , D B , Slawin , A M Z , Cavallo , L & Cazin , C S J 2019 , ' Electronic effects in mixed N-heterocyclic carbene/phosphite indenylidene ruthenium metathesis catalysts ' , Dalton Transactions , vol. 48 , no. 30 , pp. 11326-11337 . https://doi.org/10.1039/C9DT01811E
Publication
Dalton Transactions
Status
Peer reviewed
DOI
https://doi.org/10.1039/C9DT01811E
ISSN
1477-9226
Type
Journal article
Rights
Copyright © 2019 The Author(s). This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1039/C9DT01811E
Description
The authors gratefully acknowledge the Royal Society (University Research Fellowship to CSJC), the EC (CP-FP 211468-2 EUMET and CIG09-GA-2011-293900) and the MICINN (PGC2018-097722-B-I00 to AP) for funding.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/20208

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