Selective conversion of various monosaccharaides into sugar acids by additive‐free dehydrogenation in water
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comunitat-uji-handle2:10234/160292
comunitat-uji-handle3:10234/160293
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Title
Selective conversion of various monosaccharaides into sugar acids by additive‐free dehydrogenation in waterAuthor (s)
Date
2020Publisher
WileyISSN
1867-3880; 1867-3899Bibliographic citation
Mata, J..A., Mollar-Cuni, A., Byrne, J..P., Borja, P., Vicent, C. and Albrecht, M. (2020), Selective conversion of various monosaccharaides into sugar acids by additive‐free dehydrogenation in water. ChemCatChem. Accepted Author Manuscript. doi:10.1002/cctc.202000544Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/submittedVersionSubject
Abstract
Abundant sugars of five and six carbon atoms are promising candidates for the production of valuable platform chemicals. Here, we describe the catalytic dehydrogenation of several pentoses and hexoses into their ... [+]
Abundant sugars of five and six carbon atoms are promising candidates for the production of valuable platform chemicals. Here, we describe the catalytic dehydrogenation of several pentoses and hexoses into their corresponding sugar acids with the concomitant formation of molecular hydrogen. This biomass transformation is promoted by highly active and selective catalysts based on iridium‐(III) complexes containing a triazolylidene as mesoionic carbene ligand (MIC). Monosaccharides are converted into sugar acids in an easy and sustainable manner using only catalyst and water, and in contrast to previously reported procedures, in the absence of any additive. The reaction is therefore very clean, and moreover highly selective, which avoids the tedious purification and product separation. Mechanistic investigations using 1 H NMR and UV‐vis spectroscopies and ESI mass spectrometry (ESI‐MS) indicates the formation of an unprecedented diiridium‐hydride as dormant species that correspond to the catalyst resting state. [-]
Description
This is the pre-peer reviewed version of the following article: Selective conversion of various monosaccharaides into sugar acids by additive‐free dehydrogenation in water, which has been published in final form at ... [+]
This is the pre-peer reviewed version of the following article: Selective conversion of various monosaccharaides into sugar acids by additive‐free dehydrogenation in water, which has been published in final form at https://doi.org/10.1002/cctc.202000544. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. [-]
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Copyright © John Wiley & Sons, Inc.
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