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Multigram Scale-up of the Selective Hydrogenation of alpha-Pinene with Ruthenium Nanoparticles in Water

Abstract : This paper presents the successful use of ruthenium nanoparticles, stabilized in water by ammonium surfactants, in the selective hydrogenation of a-pinene and the first industrially reported scale-up of this catalyst on a multigram-scale. After designing the nanocatalyst at the lab scale, operational parameters (substrate/metal ratio, pressure, and temperature) were identified and optimized in the scale-up. The alpha-pinene hydrogenation process was operated with a 200 g batch, under 30 bar H-2 and at 110 degrees C, with a complete conversion and a selectivity of 98% into cis-pinane within 4 h. The catalyst was easily recycled through a liquid-liquid biphasic approach for 5 reaction cycles to achieve a total turnover number (TTON) of 14000.
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Submitted on : Monday, June 15, 2020 - 11:27:07 AM
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Marion Duval, Sebastien Navarre, Gilles Sagorin, Audrey Denicourt-Nowicki, Alain Roucoux. Multigram Scale-up of the Selective Hydrogenation of alpha-Pinene with Ruthenium Nanoparticles in Water. ACS Sustainable Chemistry & Engineering, American Chemical Society, 2020, 8 (15), pp.5985-5993. ⟨10.1021/acssuschemeng.0c00650⟩. ⟨hal-02797046⟩

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