B(C6F5)3-catalyzed metal-free hydrogenation of 2-oxazolones

Guangyu Cui; Xiangqing Feng; Haifeng Du

doi:10.1039/D2OB01950G

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B(C₆F₅)₃-catalyzed metal-free hydrogenation of 2-oxazolones†

Guangyu Cui,^ab Xiangqing Feng

*^ab and Haifeng Du

*^ab

Author affiliations

* Corresponding authors

^a Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
E-mail: fxq@iccas.ac.cn, haifengdu@iccas.ac.cn

^b University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

A metal-free hydrogenation of 2-oxazolones was successfully realized by using 10 mol% of B(C₆F₅)₃ as the catalyst, giving a variety of 2-oxazolidinones in 70–98% yields. An enamine to imine process was believed to be involved in this reaction.

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Article information

DOI: https://doi.org/10.1039/D2OB01950G
Article type: Communication
Submitted: 25 Oct 2022
Accepted: 07 Dec 2022
First published: 08 Dec 2022

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Org. Biomol. Chem., 2023,21, 499-502

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B(C₆F₅)₃-catalyzed metal-free hydrogenation of 2-oxazolones

G. Cui, X. Feng and H. Du, Org. Biomol. Chem., 2023, 21, 499 DOI: 10.1039/D2OB01950G

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Organic & Biomolecular Chemistry