Highly Controllable Hydrogenative Ring Rearrangement and Complete Hydrogenation Of Biobased Furfurals over Pd/La2B2O7 (B=Ti, Zr, Ce)

Zhikun Tong, Rui Gao, Xiang Li, Lingyun Guo, Jun Wang, Zheling Zeng, Qiang Deng, Shuguang Deng

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Developing a highly selective catalyst to upgrade furfurals (5-hydroxymethyl furfural and furfural) to cyclopentanones (3-hydroxymethyl cyclopentanone and cyclopentanone) and tetrahydrofuran alcohols (2,5-bishydroxymethyl tetrahydrofuran and tetrahydrofuran alcohol) is highly significant for biobased fine chemical synthesis. Here, a series of La2B2O7 (B=Ti, Zr, Ce) metal oxides, featuring the same chemical formula but different topological structures are fabricated. After Pd loading, the Lewis acidity and metal-support interaction are well governed by the support type, which further affects the hydrogenation and acid-catalyzed ability. A greater than 82 % yield of cyclopentanones is obtained via a hydrogenative ring rearrangement route over Pd/La2Ti2O7. However, Pd/La2Ce2O7 shows high catalytic efficiency for tetrahydrofuran alcohols with an approximately 80 % yield via a complete hydrogenation route. Additionally, the catalyst exhibits outstanding recycling performance and structural stability. This study presents an interesting design strategy for the selective preparation of cyclopentanones and tetrahydrofuran alcohols through the regulation of the adsorption mechanism.

Original languageEnglish (US)
Pages (from-to)4549-4556
Number of pages8
JournalChemCatChem
Volume13
Issue number21
DOIs
StatePublished - Nov 8 2021

Keywords

  • Pd/LaBO
  • adsorption configuration
  • complete hydrogenation
  • furfurals
  • hydrogenative ring rearrangement

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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