Telomerization of 1,3-Butadiene with Carbon Dioxide: A Highly Efficient Process for δ-Lactone Generation

João M. Balbino, Jairton Dupont, J. Carles Bayón

Producción científica: Contribución a una revistaArtículoInvestigaciónrevisión exhaustiva

17 Citas (Scopus)

Resumen

© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim A very efficient and selective telomerization of 1,3-butadiene with CO2 that leads to the δ-lactone (3-ethylidene-6-vinyltetrahydro-2H-pyran-2-one) was obtained using palladium acetate and tris(p-methoxyphenyl)phosphine as a catalyst in the presence of p-hydroquinone, N,N-diisopropylethylamine, and acetonitrile. A high turnover number of 4500 with 96 % selectivity to the δ-lactone was obtained after 5 h reaction at 70 °C. The reaction was deactivated by the presence of different 1,3-dialkylimidazolium ionic liquids, possibly by the formation of stable and inactive palladium-imidazole-2-ylidene carbenes.
Idioma originalInglés
Páginas (desde-hasta)206-210
PublicaciónChemCatChem
Volumen10
N.º1
DOI
EstadoPublicada - 9 ene 2018

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