Selective aerobic oxidation of cyclic ethers to lactones over Au/CeO2 without any additives

Shulin Liu; Shaopeng Li; Xiaojun Shen; Yanyan Wang; Juan Du; Bingfeng Chen; Buxing Han; Huizhen Liu

doi:10.1039/C9CC09480F

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Selective aerobic oxidation of cyclic ethers to lactones over Au/CeO₂ without any additives†

Shulin Liu,^ab Shaopeng Li,^ab Xiaojun Shen,

^ab Yanyan Wang,^ab Juan Du,^ab Bingfeng Chen,

*^a Buxing Han

^ab and Huizhen Liu

*^ab

Author affiliations

* Corresponding authors

^a Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
E-mail: chenbf@iccas.ac.cn, liuhz@iccas.ac.cn

^b University of Chinese Academy of Sciences, Beijing 100149, P. R. China

Abstract

Selective oxidation of ethers to lactones with O₂ as a benign oxidant using Au/CeO₂ as the catalyst has been developed. The oxygen vacancies and Au⁰ species on the surface of CeO₂ contribute to the activation of O₂. The excellent selectivity of lactones is due to the adsorption of ethers and activation of the C(sp³)–H bond on Au/CeO₂.

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Article information

DOI: https://doi.org/10.1039/C9CC09480F
Article type: Communication
Submitted: 06 Dec 2019
Accepted: 22 Jan 2020
First published: 22 Jan 2020

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Chem. Commun., 2020,56, 2638-2641

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Selective aerobic oxidation of cyclic ethers to lactones over Au/CeO₂ without any additives

S. Liu, S. Li, X. Shen, Y. Wang, J. Du, B. Chen, B. Han and H. Liu, Chem. Commun., 2020, 56, 2638 DOI: 10.1039/C9CC09480F

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