Lewis acid catalysis of phosphate-modified CaNb2O6 for xylose dehydration to furfural

Zijian Wang; Ryota Osuga; Koichiro Endo; Daniele Padovan; Satoshi Suganuma; Atsushi Fukuoka; Hideki Kato; Kiyotaka Nakajima

doi:10.1039/D5CY00010F

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Lewis acid catalysis of phosphate-modified CaNb₂O₆ for xylose dehydration to furfural†

Zijian Wang,‡^ab Ryota Osuga,

‡^a Koichiro Endo,^a Daniele Padovan,^a Satoshi Suganuma,

^a Atsushi Fukuoka,

^a Hideki Kato

^c and Kiyotaka Nakajima

*^a

Author affiliations

* Corresponding authors

^a Institute for Catalysis, Hokkaido University, Kita 21 Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
E-mail: nakajima@cat.hokudai.ac.jp

^b Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan

^c Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Japan

Abstract

Phosphate-modified CaNb₂O₆ was prepared using the amorphous metal complex method and tested as a solid catalyst for xylose dehydration to furfural. The orthorhombic CaNb₂O₆ consists of octahedral NbO₆ and square antiprismatic CaO₈, providing unique Lewis and Brønsted acid sites. These active sites exhibited a higher furfural yield compared to orthorhombic Nb₂O₅.

This article is part of the themed collection: Catalysis Science & Technology Open Access Spotlight 2025

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Article information

DOI: https://doi.org/10.1039/D5CY00010F
Article type: Communication
Submitted: 04 ១ 2025
Accepted: 09 ៣ 2025
First published: 12 ៣ 2025
This article is Open Access

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Catal. Sci. Technol., 2025,15, 2665-2669

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Lewis acid catalysis of phosphate-modified CaNb₂O₆ for xylose dehydration to furfural

Z. Wang, R. Osuga, K. Endo, D. Padovan, S. Suganuma, A. Fukuoka, H. Kato and K. Nakajima, Catal. Sci. Technol., 2025, 15, 2665 DOI: 10.1039/D5CY00010F

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