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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/15371

Title: Direct Hydroxymethylation of Furaldehydes with Aqueous Formaldehyde over a Reusable Sulfuric Functionalized Resin Catalyst
Authors: Nishimura, Shun
Shibata, Atsuki
Ebitani, Kohki
Keywords: 2-furaldehyde
formaldehyde
hydroxymethylation
5-hydroxymethyl-2-furaldehyde
Amberlyst-15
Issue Date: 2018-06-04
Publisher: American Chemical Society
Magazine name: ACS Omega
Volume: 3
Number: 6
Start page: 5988
End page: 5993
DOI: 10.1021/acsomega.8b00120
Abstract: Transformation of C5 furaldehydes to the corresponding C6 furaldehydes over a heterogeneous catalyst is a versatile but demanding reaction process. This report describes our discovery that Amberlyst-15, a conventional sulfuric functionalized resin, affords a 43.1% yield for 5-hydroxymethyl-2-furaldehyde (HMF) production with 57.5% selectivity via direct hydroxymethylation of 2-furaldehyde (furfural) with an aqueous formaldehyde reagent. This report is the first to describe an important achievement on the heterogeneous acid catalyst-assisted HMF production from furfural via direct hydroxymethylation in a batch reactor system. The Amberlyst-15 was also reusable and applicable for C5 furaldehyde upgrading of various types: furfuryl alcohol, furfurylamine, and furoic acid toward the corresponding C6 furaldehydes. Results show that a liquid flow system becomes an advanced tool for the continuous production of upgrading furaldehydes through a fixed Amberlyst-15 catalyst bed. Accordingly, the sulfuric functionalized resin-catalyzed direct hydroxymethylation of furaldehydes with aqueous formaldehyde in both batch and flow reactor systems is worthwhile and opens up new avenues for biomass transformations in particles, an important area of inedible biomass utilization.
Rights: This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html), which permits copying and redistribution of the article or any adaptations for non-commercial purposes. Shun Nishimura, Atsuki Shibata and Kohki Ebitani, ACS Omega, 3(6), 2018, 5988-5993. DOI:10.1021/acsomega.8b00120
URI: http://hdl.handle.net/10119/15371
Material Type: publisher
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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