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Towards Sustainable Catalysis – Highly Efficient Olefin Metathesis in Protic Media Using Phase Labelled Cyclic Alkyl Amino Carbene (CAAC) Ruthenium Catalysts

New generations of Hoveyda and bis‐carbene type of ruthenium‐based olefin metathesis catalysts (10 and 12), containing cationic cyclic alkyl amino carbene (CAAC) ligands, have been synthetized. The catalysts show exceptional stability and activity in environmentally benign, protic media. Various ole...

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Published in:ChemCatChem 2020-04, Vol.12 (7), p.1953-1957
Main Authors: Nagyházi, Márton, Turczel, Gábor, Balla, Áron, Szálas, Gábor, Tóth, Imre, Gál, Gyula Tamás, Petra, Bombicz, Anastas, Paul T., Tuba, Róbert
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cited_by cdi_FETCH-LOGICAL-c3578-b3d0e22373dec32d8251bf4c543468cb42a185fc72f3202f3114971106fdd30c3
cites cdi_FETCH-LOGICAL-c3578-b3d0e22373dec32d8251bf4c543468cb42a185fc72f3202f3114971106fdd30c3
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container_issue 7
container_start_page 1953
container_title ChemCatChem
container_volume 12
creator Nagyházi, Márton
Turczel, Gábor
Balla, Áron
Szálas, Gábor
Tóth, Imre
Gál, Gyula Tamás
Petra, Bombicz
Anastas, Paul T.
Tuba, Róbert
description New generations of Hoveyda and bis‐carbene type of ruthenium‐based olefin metathesis catalysts (10 and 12), containing cationic cyclic alkyl amino carbene (CAAC) ligands, have been synthetized. The catalysts show exceptional stability and activity in environmentally benign, protic media. Various olefin metatheses reactions of OH functionalized feedstock (e. g. RCM, ROMP CM) can be carried out at as low as 0.05 mol % catalyst loading in methanol, isopropanol, water or methanol/water solvent mixture, accomplishing the lowest applied catalyst loading reported so far in these media. The facile olefin metathesis of renewable feedstocks including phospholipids (23) and vegetable oils (20) in protic media has also been demonstrated. Towards Sustainable Catalysis – Conversion of olefins including renewable materials in environmental benign, protic media at low catalyst loading using highly stable, phase labelled cyclic alkyl amino carbene (CAAC) ruthenium complexes rendering exceptional catalytic activity.
doi_str_mv 10.1002/cctc.201902258
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subjects CAAC ligand
Catalysis
Catalysts
Metathesis
Methanol
Olefin metathesis
Phospholipids
protic media
Raw materials
Ruthenium
sustainable catalysis
Vegetable oils
title Towards Sustainable Catalysis – Highly Efficient Olefin Metathesis in Protic Media Using Phase Labelled Cyclic Alkyl Amino Carbene (CAAC) Ruthenium Catalysts
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