A Pt/Nb 2 O 5 catalyst for oxidative conversion of 1,5-pentanediol into 5-hydroxypentanal and δ-valerolactone under ambient conditions
Source abstract
Abstract
Hydroxyaldehydes and lactones such as 5-hydroxypentanal (5-HP) and δ-valerolactone (DVL) are important value-added feedstocks for organic synthesis and biomedical production. Usually, high temperature, organic solvents or toxic oxidants are involved in the selective oxidation of 1,5-pentanediol (1,5-PDO) to 5-HP and DVL. Here, an environmentally friendly strategy for the simultaneous synthesis of 5-HP and DVL via the efficient oxidation of 1,5-PDO using an aqueous suspension of Pt-loaded Nb2O5 nanoparticles under ambient conditions is proposed. The characterization results indicate that the positively charged Ptδ+ species formed due to electronic metal-support interactions between Pt and Nb2O5 are beneficial for the primary dehydrogenation of 1,5-PDO to 5-HP on Pt, while the strong Lewis acid sites on Nb2O5 are able to improve aldol condensation and intramolecular cyclization of 5-HP to DVL.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Catalysis and Oxidation Reactions · Oxidative Organic Chemistry Reactions · Mesoporous Materials and Catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Environmental Science and Engineering, North China Electric Power University, 102206 Beijing, P. R. China
Key Laboratory of Development and Application of Rural Renewable Energy, Ministry of Agriculture and Rural Affairs, Biogas Institute of Ministry of Agriculture and Rural Affairs (BIOMA), 610041, Chengdu, China
Laboratory of Industrial Chemistry, Faculty of Chemistry and Biochemistry, Ruhr-University Bochum, 44780 Bochum, Germany
Beijing Key Laboratory of Function Materials for Molecule & Structure Construction, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
Funding
National Natural Science Foundation of China · China Postdoctoral Science Foundation
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