Highly efficient catalytic production of oximes from ketones using in situ–generated H <sub>2</sub> O <sub>2</sub>-Reference-Cited by-同舟云学术

Highly efficient catalytic production of oximes from ketones using in situ–generated H ₂ O ₂

Published:2022-05-06 Issue:6593 Volume:376 Page:615-620
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Lewis Richard J.¹^ORCID,Ueura Kenji²,Liu Xi³⁴^ORCID,Fukuta Yukimasa²^ORCID,Davies Thomas E.¹^ORCID,Morgan David J.¹⁵^ORCID,Chen Liwei³⁶^ORCID,Qi Jizhen⁷^ORCID,Singleton James¹,Edwards Jennifer. K.¹,Freakley Simon J.⁸^ORCID,Kiely Christopher J.⁹^ORCID,Yamamoto Yasushi²,Hutchings Graham J.¹^ORCID

Affiliation:

1. Max Planck–Cardiff Centre on the Fundamentals of Heterogeneous Catalysis FUNCAT, Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.

2. UBE Corporation, 1978-5, Kogushi, Ube, Yamaguchi 755-8633, Japan.

3. School of Chemistry and Chemical, In-situ Centre for Physical Sciences, Shanghai Jiao Tong University, Shanghai 200240, P.R. China.

4. SynCat@Beijing, Synfuels China Technology Co. Ltd., Beijing 101407, P.R. China.

5. Harwell XPS, Research Complex at Harwell (RCaH), Didcot OX11 0FA, UK.

6. School of Chemistry and Chemical Engineering, Frontiers Science Centre for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, P.R. China.

7. i-Lab, CAS Centre for Excellence in Nanoscience, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, P.R. China.

8. Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK.

9. Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA 18015, USA.

Abstract

The ammoximation of cyclohexanone using preformed hydrogen peroxide (H 2 O 2 ) is currently applied commercially to produce cyclohexanone oxime, an important feedstock in nylon-6 production. We demonstrate that by using supported gold-palladium (AuPd) alloyed nanoparticles in conjunction with a titanium silicate-1 (TS-1) catalyst, H 2 O 2 can be generated in situ as needed, producing cyclohexanone oxime with >95% selectivity, comparable to the current industrial route. The ammoximation of several additional simple ketones is also demonstrated. Our approach eliminates the need to transport and store highly concentrated, stabilized H 2 O 2 , potentially achieving substantial environmental and economic savings. This approach could form the basis of an alternative route to numerous chemical transformations that are currently dependent on a combination of preformed H 2 O 2 and TS-1, while allowing for considerable process intensification.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference80 articles.

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