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Magnetically separable carbon nanocomposite catalysts for efficient nitroarene reduction and Suzuki reactions

Paper ID Volume ID Publish Year Pages File Format Full-Text
39773 45835 2014 7 PDF Available
Title
Magnetically separable carbon nanocomposite catalysts for efficient nitroarene reduction and Suzuki reactions
Abstract

•Highly active magnetically separable nanocomposite catalysts.•A general platform to load variable nanocatalysts such as Pd or Pt.•Efficient reduction of nitroarenes and Suzuki cross-coupling reactions.•Large scale synthesis using a simple and economical process.•Catalysts recycling for five consecutive reactions.

Novel magnetically recyclable carbon nanocomposites were synthesized to support various nanocatalysts using a simple, economical and scalable method. The designed nanocomposites, which are composed of porous carbon and Fe3O4 nanocrystals, can be used as an expandable platform to load versatile nanoparticle catalysts such as Pd and Pt. These nanocomposites with high surface area and permeable porous structure can contain abundant and accessible small-sized catalyst nanoparticles. These characteristics led to efficient catalytic reactions and enhanced catalytic activity, which were verified in selective reduction of nitroarenes and Suzuki cross-coupling reactions. The nanocomposite catalysts provided excellent catalytic activities to yield the desired products in short reaction time and mild reaction conditions. The catalysts could be easily separated from the reaction mixture by a magnet, and recycled five consecutive cycles in reduction of nitrobenzene and Suzuki cross-coupling of bromobenzene without losing significant activities.

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Keywords
Palladium nanoparticles; Heterogeneous catalysis; Magnetic separation; Suzuki cross-coupling; Reduction; Nanocomposite; Carbon materials
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Magnetically separable carbon nanocomposite catalysts for efficient nitroarene reduction and Suzuki reactions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 476, 22 April 2014, Pages 133–139
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us