H3PMo12O40 Immobilized on Amine Functionalized SBA-15 as a Catalyst for Aldose Epimerization

Hui Wang; Meiyin Wang; Jining Shang; Yuanhang Ren; Bin Yue; Heyong He

doi:10.3390/ma13030507

H₃PMo₁₂O₄₀ Immobilized on Amine Functionalized SBA-15 as a Catalyst for Aldose Epimerization

Materials (Basel). 2020 Jan 21;13(3):507. doi: 10.3390/ma13030507.

Authors

Hui Wang¹, Meiyin Wang¹, Jining Shang¹, Yuanhang Ren¹, Bin Yue¹, Heyong He¹

Affiliation

¹ Department of Chemistry and Shanghai key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, Shanghai 200438, China.

Abstract

In this work various amount of phosphomolybdic acid (PMo) were immobilized on amine functionalized SBA-15 and used as heterogeneous catalysts in the epimerization of glucose in aqueous solution. 13.3PMo/NH₂-SBA-15 exhibited the best catalytic performance with a glucose conversion of 34.8% and mannose selectivity of 85.6% within two hours at 120 °C. The activation energy of 80.1 ± 0.1 kJ·mol^-¹ was lower than that of 96 kJ·mol^-¹ over the homogeneous H₃PMo₁₂O₄₀ catalyst. The catalytic activities of 13.3PMo/NH₂-SBA-15 for the transformation of some other aldoses including mannose, arabinose and xylose were also investigated.

Keywords: SBA-15; aldose epimerization; amino-silanization; phosphomolybdic acid.

Abstract

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