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Open AccessArticle

Iridium-Catalyzed Transfer Hydrogenation of Ketones and Aldehydes Using Glucose as a Sustainable Hydrogen Donor

Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan
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Catalysts 2019, 9(6), 503; https://doi.org/10.3390/catal9060503
Received: 14 May 2019 / Revised: 26 May 2019 / Accepted: 27 May 2019 / Published: 31 May 2019
(This article belongs to the Special Issue Catalysis and Fine Chemicals)
A new catalytic system for transfer hydrogenation of carbonyl compounds using glucose as a hydrogen donor was developed. Various ketones and aldehydes were efficiently converted to corresponding alcohols with two equivalents of glucose in the presence of a small amount (0.1 to 1.0 mol%) of iridium catalyst that had a functional ligand. In this catalytic system, transfer hydrogenation reactions proceeded based on the cooperativity of iridium and a functional ligand. It should be noted that environmentally benign water could have been used as a solvent in the present catalytic system for the reduction of various carbonyl substrates. Furthermore, the reaction scope could be extended by using N,N-dimethylacetamide as a reaction solvent. View Full-Text
Keywords: transfer hydrogenation; iridium catalyst; functional ligand; glucose; ketone; aldehyde; alcohol; water solvent transfer hydrogenation; iridium catalyst; functional ligand; glucose; ketone; aldehyde; alcohol; water solvent
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MDPI and ACS Style

Yoshida, M.; Hirahata, R.; Inoue, T.; Shimbayashi, T.; Fujita, K.-I. Iridium-Catalyzed Transfer Hydrogenation of Ketones and Aldehydes Using Glucose as a Sustainable Hydrogen Donor. Catalysts 2019, 9, 503.

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