Eleonora Caronia

University of Palermo

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Iveta Tichá

University of West Bohemia

Sébastien Noël

Unité de catalyse et de chimie du solide de Lille

Stéphane Menuel

Université d'Artois

ÉM

Éric Monflier

Centre National de la Recherche Scientifique

Anne Ponchel

Université de Lille

Sébastien Tilloy

Unité de catalyse et de chimie du solide de Lille

Hervé Bricout

Université d'Artois

Bastien Léger

Université d'Artois

Alessandro Galia

University of Palermo

Jindřich Jindřich

Charles University

Cooperative Institutions

Université d'Artois

Centre National de la Recherche Scientifique

Unité de catalyse et de chimie du solide de Lille

Catalyse

École Centrale de Lille

Université de Lille

École Nationale Supérieure de Chimie de Lille

Université Lille Nord de France

Laboratoire Jean Perrin

Centre Hospitalier de Lens

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Asymmetric hydrogenation of ethyl pyruvate over aqueous dispersed Pt nanoparticles stabilized by a cinchonidine-functionalized β-cyclodextrin

Catalysis Communications (2020)

Sébastien Noël Eleonora Caronia Hervé Bricout Iveta Tichá Stéphane Menuel

Cinchonidine-functionalized β-cyclodextrin was used as stabilizing agent for platinum nanoparticles dispersed in water, but also as chiral modifier for the asymmetric hydrogenation of ethyl pyruvate at 30 °C under 40 bar of hydrogen. This functionalized cyclodextrin allowed getting more stable, more catalytically active and also more enantioselective Pt nanoparticles compared to control catalytic systems. NMR and MALDI-MS analyses clearly showed the reduction of the vinyl group of the cinchonidine graft during the nanoparticles preparation. Under hydrogen pressure, the hydrogenation of the quinolinic moiety was also proven and can be responsible for the difficulties encountered during the recycling study.

Cinchonidine

Asymmetric hydrogenation

Moiety

Platinum nanoparticles

Noyori asymmetric hydrogenation

Ethyl lactate

Transfer hydrogenation

10.1016/j.catcom.2020.106272

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Citations (3)