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Methyltrioxorhenium-catalyzed epoxidation of alkenes with hydrogen peroxide as an oxidant and 1-methyl-3-(butyl-4-sulfonate) imidazolium betaine as an additive

Paper ID Volume ID Publish Year Pages File Format Full-Text
50369 46793 2011 4 PDF Available
Title
Methyltrioxorhenium-catalyzed epoxidation of alkenes with hydrogen peroxide as an oxidant and 1-methyl-3-(butyl-4-sulfonate) imidazolium betaine as an additive
Abstract

In the methyltrioxorhenium-catalyzed epoxidation of alkenes, 1-methyl-3-(butyl-4-sulfonate) imidazolium betaine (MBSIB) was used as an additive, and 30% H2O2 was used as an oxidant. The introduction of 10-fold excess MBSIB improved the selectivity of epoxide formation without reducing the reaction rate by increasing the polarity of the catalytic system. Furthermore, the MTO–MBSIB system was stable throughout the entire catalytic run and increased the TON of the epoxidation of alkenes.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch highlights► The introduction of MBSIB improved the selectivity in the MTO catalyzed epoxidation. ► The reaction rate does not decrease concomitantly. ► The catalytic system is stable in the catalytic runs and can increase the TON largely.

Keywords
Methyltrioxorhenium; MBSIB; Cyclohexene; Epoxidation; Hydrogen peroxide
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Methyltrioxorhenium-catalyzed epoxidation of alkenes with hydrogen peroxide as an oxidant and 1-methyl-3-(butyl-4-sulfonate) imidazolium betaine as an additive
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 11, 10 June 2011, Pages 923–926
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