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Open AccessCommunication

Ir-Catalyzed Reduction of Carbonyl Compounds Using Biogenetic Alcohols

by Yuta Nishina 1,2
1
Research Core for Interdisciplinary Sciences, Okayama University, Okayama 700-8530, Japan
2
Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan
Inorganics 2019, 7(9), 114; https://doi.org/10.3390/inorganics7090114
Received: 6 May 2019 / Revised: 1 September 2019 / Accepted: 2 September 2019 / Published: 12 September 2019
(This article belongs to the Special Issue Iridium Complexes)
Biomass has gained great attention as an alternative to fuel-derived chemicals. This report concerns new catalytic systems consisting of [IrCp*Cl2]2 (Cp*: Pentamethylcyclopentadienyl) for the reduction of aldehyde and biogenetic alcohols as hydrogen sources. [IrCp*Cl2]2 has been used as a transfer hydrogenation catalyst using fossil fuel-derived alcohols as hydrogen sources in the presence of a base. In contrast, our system does not require any base, and the reaction can proceed in water. Various types of biogenetic alcohols can be used as hydrogen sources, such as monosaccharides, oligosaccharides, and glycerol. Aromatic and aliphatic aldehydes, as well as ketones, were successfully reduced to the corresponding alcohols in the present system. View Full-Text
Keywords: iridium; aldehyde; ketone; sugar; glycerol; biogenetic; biomass; reduction; hydrogenation; hydrogen transfer iridium; aldehyde; ketone; sugar; glycerol; biogenetic; biomass; reduction; hydrogenation; hydrogen transfer
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Nishina, Y. Ir-Catalyzed Reduction of Carbonyl Compounds Using Biogenetic Alcohols. Inorganics 2019, 7, 114.

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