Highly active and recyclable silica gel-supported palladium catalyst for mild cross-coupling reactions of unactivated heteroaryl chlorides

Silica gel-supported [small beta]-ketoiminatophosphane-Pd complex (Pd[at]SiO2) was shown to be a highly active and long-lived catalyst for aqueous Suzuki, Stille and Sonogashira coupling reactions of heteroaryl chlorides. A wide range of heteroaryl chlorides could be efficiently coupled with differe...

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Bibliographic Details
Published in:Green chemistry : an international journal and green chemistry resource : GC 2010-01, Vol.12 (11), p.2024-2029
Main Authors: LEE, Dong-Hwan, JUNG, Ji-Young, JIN, Myung-Jong
Format: Article
Language:English
Subjects:
Catalysis
Catalysts: preparations and properties
Chemistry
Exact sciences and technology
General and physical chemistry
Kinetics and mechanisms
Organic chemistry
Reactivity and mechanisms
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:Silica gel-supported [small beta]-ketoiminatophosphane-Pd complex (Pd[at]SiO2) was shown to be a highly active and long-lived catalyst for aqueous Suzuki, Stille and Sonogashira coupling reactions of heteroaryl chlorides. A wide range of heteroaryl chlorides could be efficiently coupled with different nucleophilic partners in the presence of only 0.5 mol% catalyst and under mild conditions. This is one of the most powerful heterogeneous catalysts for the couplings of diverse heteroaryl chlorides. Furthermore, the catalyst could be reused with almost consistent activity.
ISSN:1463-9262
1463-9270
DOI:10.1039/c0gc00251h