Thermomorphic Polyethylene‐Supported Organocatalysts for the Valorization of Vegetable Oils and CO 2

A range of thermomorphic polyethylene‐supported organocatalysts is prepared from N ‐alkyl imidazoles and polyethylene iodide (PEI) with good yields (85–92%) and high funtionality (98–99%). The catalytic activity of these species is studied for the ring opening of epoxidized methyl oleate with CO 2...

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Bibliographic Details
Published in:Advanced sustainable systems (Online) 2021-02, Vol.5 (2)
Main Authors: Akhdar, Ayman, Onida, Killian, Vu, Nam Duc, Grollier, Kevin, Norsic, Sébastien, Boisson, Christophe, D'Agosto, Franck, Duguet, Nicolas
Format: Article
Language:English
Subjects:
Catalysis
Chemical Sciences
Organic chemistry
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Summary:A range of thermomorphic polyethylene‐supported organocatalysts is prepared from N ‐alkyl imidazoles and polyethylene iodide (PEI) with good yields (85–92%) and high funtionality (98–99%). The catalytic activity of these species is studied for the ring opening of epoxidized methyl oleate with CO 2 to give the corresponding cyclic carbonate. The reaction is carried out at 100 °C to fully exploit the thermomorphic behavior of the organocatalysts. The optimized conditions (neat, 100 °C, and 20 bar of CO 2 ) are applied to a range of epoxidized fatty acids, including an epoxidized rapeseed oil, to give the corresponding carbonates with good yields (75–96%). The catalyst recycling is also studied, and no significant loss of activity is observed after ten runs. The fatty carbonates are important intermediates for the preparation of non‐isocyanate polyurethanes (NIPUs).
ISSN:2366-7486
2366-7486
DOI:10.1002/adsu.202000218