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Preparation of silica-supported sulfate and its application as a stable and highly active solid acid catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
50808 46815 2011 5 PDF Available
Title
Preparation of silica-supported sulfate and its application as a stable and highly active solid acid catalyst
Abstract

Silica sulfate was prepared by a simple procedure, and proved to be an efficient and recyclable solid acid catalyst. SO3H groups were successfully introduced to silica surface while keeping its structure intact, as proved by XRD patterns and SEM images of the catalyst. With the catalysis of the supported sulfate materials, many of the ketones are efficiently transformed into the corresponding lactones with 30% hydrogen peroxide. In addition, the high performance of silica sulfate as a heterogeneous catalyst was further demonstrated for the esterification of varieties of carboxylic acid with ethanol.

Graphical AbstractThe catalytic Baeyer–Villiger oxidation of ketones and esterification of carboxylic acid with ethanol were performed by the catalysis of the synthesized silica sulfate with good performance.Figure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights►Silica sulfate is prepared by a simple method. ►Silica sulfate is efficient catalyst for Baeyer–Villiger oxidation of ketones and esterification of carboxylic acid with ethanol. ►Silica sulfate is highly active and stable heterogeneous solid acid catalyst. ►Silica sulfate can be reused at least for five cycles.

Keywords
Baeyer–Villiger oxidation; Esterification; Silica-supported sulfate; Recyclable; Heterogeneous
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Preparation of silica-supported sulfate and its application as a stable and highly active solid acid catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 9, 30 April 2011, Pages 798–802
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