Wacker Oxidation of Terminal Alkenes Over ZrO2-Supported Pd Nanoparticles Under Acid- and Cocatalyst-Free Conditions

Zhenzhong Zhang, Yuhya Kumamoto, Taishin Hashiguchi, Tetsuya Mamba, Haruno Murayama, Eiji Yamamoto, Tamao Ishida, Tetsuo Honma, Makoto Tokunaga

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Highly efficient Wacker oxidation of aromatic or aliphatic terminal alkenes into methyl ketones and benzofurans is developed by using reusable Pd0 nanoparticles (NPs) supported on ZrO2 under acid- and cocatalyst-free conditions. Molecular oxygen or air can be utilized as the terminal oxidant, which results in the formation of H2O as the only theoretical byproduct. The activation of the Pd NPs by O2 plays an important role in promoting this reaction. Interestingly, PdO supported on ZrO2 showed no activity. Additionally, the Pd particle size significantly affects the catalytic activity, with an apparent optimal diameter of 4–12 nm. In addition to the heterogeneous catalyst forms, the Pd NPs can be generated from a Pd0 complex during the reaction, and these particles are even recyclable.

Original languageEnglish
Pages (from-to)3482-3489
Number of pages8
JournalChemSusChem
Volume10
Issue number17
DOIs
Publication statusPublished - Jan 1 2017

Fingerprint

alkene
Alkenes
Olefins
Nanoparticles
oxidation
Oxidation
Acids
acid
Benzofurans
Molecular oxygen
ketone
Ketones
Oxidants
oxidant
Byproducts
Catalyst activity
Chemical activation
catalyst
Particle size
particle size

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Chemical Engineering(all)
  • Materials Science(all)
  • Energy(all)

Cite this

Wacker Oxidation of Terminal Alkenes Over ZrO2-Supported Pd Nanoparticles Under Acid- and Cocatalyst-Free Conditions. / Zhang, Zhenzhong; Kumamoto, Yuhya; Hashiguchi, Taishin; Mamba, Tetsuya; Murayama, Haruno; Yamamoto, Eiji; Ishida, Tamao; Honma, Tetsuo; Tokunaga, Makoto.

In: ChemSusChem, Vol. 10, No. 17, 01.01.2017, p. 3482-3489.

Research output: Contribution to journalArticle

Zhang, Zhenzhong ; Kumamoto, Yuhya ; Hashiguchi, Taishin ; Mamba, Tetsuya ; Murayama, Haruno ; Yamamoto, Eiji ; Ishida, Tamao ; Honma, Tetsuo ; Tokunaga, Makoto. / Wacker Oxidation of Terminal Alkenes Over ZrO2-Supported Pd Nanoparticles Under Acid- and Cocatalyst-Free Conditions. In: ChemSusChem. 2017 ; Vol. 10, No. 17. pp. 3482-3489.
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