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Sulfonic acid supported on hydroxyapatite-encapsulated-γ-Fe2O3 nanocrystallites as a magnetically Brønsted acid for N-formylation of amines

Paper ID Volume ID Publish Year Pages File Format Full-Text
42341 45921 2010 6 PDF Available
Title
Sulfonic acid supported on hydroxyapatite-encapsulated-γ-Fe2O3 nanocrystallites as a magnetically Brønsted acid for N-formylation of amines
Abstract

Treatment of aqueous formic acid (85%) with structurally diverse amines in the presence of a catalytic amount of sulfonic acid supported on hydroxyapatite-encapsulated-γ-Fe2O3 [HAp@-γ-Fe2O3] (0.9 mol.%) as a heterogeneous, reusable and highly efficient catalyst gave the corresponding formamides in good to excellent yields at room temperature. The magnetically catalytic system was recovered by-passing time consuming filtration operation by using an external magnet device. In addition to facility, this methodology, it also enhances product purity and promises economic as well as environmental benefits.

Graphical abstractTreatment of aqueous formic acid with structurally diverse amines in the presence of a catalytic amount of sulfonic acid supported on HAp-encapsulated-γ-Fe2O3 as a heterogeneous, reusable and highly efficient catalyst gave the corresponding formamides. The magnetically catalytic system was recovered by-passing time consuming filtration operation by using an external magnet device.Figure optionsDownload full-size imageDownload high-quality image (45 K)Download as PowerPoint slide

Keywords
Magnetically catalytic system; Sulfonic acid; Hydroxyapatite-encapsulated-γ-Fe2O3; Formylation
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Sulfonic acid supported on hydroxyapatite-encapsulated-γ-Fe2O3 nanocrystallites as a magnetically Brønsted acid for N-formylation of amines
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 377, Issues 1–2, 1 April 2010, Pages 64–69
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us