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Palladium supported on zinc ferrite: A highly active, magnetically separable catalyst for ligand free Suzuki and Heck coupling

Paper ID Volume ID Publish Year Pages File Format Full-Text
50123 46781 2013 6 PDF Available
Title
Palladium supported on zinc ferrite: A highly active, magnetically separable catalyst for ligand free Suzuki and Heck coupling
Abstract

An efficient superparamagnetic solid catalyst has been synthesized by loading Pd(0) species during synthesis of zinc ferrite nanoparticles by ultrasound assisted co-precipitation in the absence of surface stabilizer or capping agent. Various techniques were employed to characterize the as-synthesized Pd–ZnFe2O4 magnetic nanoparticles. The catalyst showed excellent performance for Suzuki and Heck coupling reactions under ligand free condition. The catalyst being super paramagnetic was separated by using an external magnet and reused for five cycles without any appreciable loss in the activity.

Graphical abstractAn efficient superparamagnetic Pd–ZnFe2O4 nanoparticle has been synthesized by ultrasound assisted co-precipitation in the absence of surface stabilizer or capping agent. The catalyst showed excellent performance for Suzuki and Heck coupling reactions under ligand free condition. The recyclability of the catalyst was tested for five consecutive cycles.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► A highly efficient Pd–ZnFe2O4 magnetic nanoparticle were synthesized and used for ligand free Suzuki and Heck cross coupling reactions. ► The magnetic nanoparticles were synthesized by ultrasound assisted co-precipitation method in the absence of any surface stabilizers or capping agent. ► General applicability of the developed protocol was investigated. ► The catalyst exhibited remarkable recyclability for five consecutive cycles.

Keywords
Magnetic nanoparticle; Pd–zinc ferrite; Heterogeneous catalyst; Co-precipitation; CC coupling reaction
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Palladium supported on zinc ferrite: A highly active, magnetically separable catalyst for ligand free Suzuki and Heck coupling
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 35, 5 May 2013, Pages 11–16
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
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Online Support
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