Oxidation of aliphatic alcohols by using precious metals supported on hydrotalcite under solvent- and base-free conditions

He, Y, Feng, J, Brett, Gemma Louise, Edwards, Jennifer Kelly ORCID: https://orcid.org/0000-0003-4089-2827 and Hutchings, Graham John ORCID: https://orcid.org/0000-0001-8885-1560 2015. Oxidation of aliphatic alcohols by using precious metals supported on hydrotalcite under solvent- and base-free conditions. ChemSusChem 8 (19) , pp. 3314-3322. 10.1002/cssc.201500503

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Abstract

Precious metal nanoparticles supported on magnesium–aluminum hydrotalcite (HT), TiO2, and MgO were prepared by sol immobilization and assessed for the catalytic oxidation of octanol, which is a relatively unreactive aliphatic alcohol, with molecular oxygen as the oxidant under solvent- and base-free conditions. Compared with the TiO2- and MgO-supported catalysts, platinum HT gave the highest activity and selectivity towards the aldehyde. The turnover number achieved for the platinum HT catalyst was >3700 after 180 min under mild reaction conditions. Moreover, the results for the oxidation of different substrates indicate that a specific interaction of octanal with the platinum HT catalyst could lead to deactivation of the catalyst.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	Wiley-VCH Verlag
Last Modified:	31 Oct 2022 11:00
URI:	https://orca.cardiff.ac.uk/id/eprint/86987

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