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Colloidal nickel(0)-carboxymethyl cellulose particles: A biopolymer-inorganic catalyst for hydrogenation of nitro-aromatics and carbonyl compounds

Paper ID Volume ID Publish Year Pages File Format Full-Text
50348 46790 2013 9 PDF Available
Title
Colloidal nickel(0)-carboxymethyl cellulose particles: A biopolymer-inorganic catalyst for hydrogenation of nitro-aromatics and carbonyl compounds
Abstract

Colloidal solution of nickel(0) in carboxymethyl cellulose showed good catalytic efficiency in hydrogenation of aromatic nitro compounds, as well as aliphatic and aromatic ketones in aqueous medium yielding the respective aromatic amines and alcohols in excellent yield along with moderate to good reusability of the catalyst. The catalyst was isolated and characterized by powder XRD, EDX, SEM and TEM studies. The active phase of the catalyst consists of nickel nanoparticles entrapped in carboxymethyl cellulose (Col-Ni-CMC Nps). The ecofriendly synthesis was performed in water at room temperature by NaBH4 reduction of nickel chloride in the presence of sodium carboxymethyl cellulose (CMC).

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Colloidal Ni synthesized from NiCl2 and stabilized by sodium carboxy-methyl cellulose ► Col-Ni-CMC nanoparticles with diameter range of 89.5 nm ► Catalyst for hydrogenation of aromatic nitro groups and aromatic ketones in aqueous medium ► Synthesis of aromatic amines and aromatic alcohols in good to excellent yields ► Catalyst acts with moderate to good reusability in both cases.

Keywords
Biopolymer; Colloidal Ni-CMC Nps; Hydrogenation; Nitroaromatics; Carbonyl compounds; Reusability
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Colloidal nickel(0)-carboxymethyl cellulose particles: A biopolymer-inorganic catalyst for hydrogenation of nitro-aromatics and carbonyl compounds
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 32, 5 February 2013, Pages 92–100
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
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Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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