Journal
SCIENCE CHINA-MATERIALS
Volume 63, Issue 6, Pages 959-964Publisher
SCIENCE PRESS
DOI: 10.1007/s40843-019-1204-y
Keywords
single-atom catalyst; alkoxycarbonylation; Pd-1; CeO2; heterogenization; base-free
Categories
Funding
- National Natural Science Foundation of China [21776270]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB17020100]
- China Postdoctoral Science Foundation [2017M621170]
- DICP Outstanding Postdoctoral Foundation [2017YB02]
- Liaoning Revitalization Talents Program
- DICP
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Heterogenization of the homogeneous catalysis has been studied for almost 50 years. Single-atom catalysis has the advantages of both homo- and heterogeneous catalysis. It has been proposed, and subsequently experimentally verified that single-atom catalysis is able to bridge homo- and heterogeneous catalysis, thus providing a new avenue to realize the heterogenization of homogeneous catalysis. Alkoxycarbonylation of aryl halides is an effective method for the direct synthesis of carboxylic acid derivatives, and is commonly catalyzed by Pd-based homogeneous complexes with N/P-containing ligands and organic/inorganic base. Herein, we firstly reported that Pd-1/CeO2 single-atom catalyst showed good performance in the alkoxycarbonylation of aryl iodides reaction. Under base-free and ligand-free conditions, Pd-1/CeO2 single-atom catalyst can transfer different aryl iodides to corresponding products. The catalyst can be easily recovered and reused four times without significant loss of reactivity.
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