A Bio‐Inspired Magnetically Recoverable Palladium Nanocatalyst for the Ullmann Coupling reaction of Aryl halides and Arylboronic acids In Aqueous Media

Palladium nanoparticles supported on polydopamine‐coated iron oxide nanoparticles (Pd/Fe3O4@PDA) were found to catalyze the Ullmann homocoupling of a wide variety of aryl halides, arylboronic acids and aryldiazonium salts in aqueous media in the presence of randomly methylated β‐cyclodextrin (RM‐β‐C...

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Bibliographic Details
Published in:Applied organometallic chemistry 2020-05, Vol.34 (5), p.n/a
Main Authors: Dubey, Abhishek V., Kumar, A. Vijay
Format: Article
Language:English
Subjects:
Aqueous solutions
Aromatic compounds
biomimetic catalysis
Catalysts
Chemical synthesis
Chemistry
Cyclodextrins
Halides
Homocoupling
Iron oxides
Nanoparticles
Palladium
Polydopamine
water
X ray photoelectron spectroscopy
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Summary:Palladium nanoparticles supported on polydopamine‐coated iron oxide nanoparticles (Pd/Fe3O4@PDA) were found to catalyze the Ullmann homocoupling of a wide variety of aryl halides, arylboronic acids and aryldiazonium salts in aqueous media in the presence of randomly methylated β‐cyclodextrin (RM‐β‐CD). The synthesized nanoparticles were characterized by techniques such as TEM, SEM, EDX, XPS, ICP‐AES and XRD. The synthesized catalyst can be easily recovered magnetically and reused up to five cycles without any significant loss of activity. This is the first report demonstrating the use of magnetically recoverable catalyst for Ullmann homocoupling reactions of aryl halides, arylboronic acids and aryldiazonium salts in water. On water nano palladium catalyzed for the Ullmann Coupling reaction of aryl halides and arylboronic acids was demonstrated in aqueous media.
ISSN:0268-2605
1099-0739
DOI:10.1002/aoc.5570