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Environmentally friendly and highly efficient alkenes epoxidation system consisting of [π-C5H5N(CH2)11CH3]3PW4O32/H2O2/ethyl acetate/olefin

Paper ID Volume ID Publish Year Pages File Format Full-Text
51781 46853 2008 5 PDF Available
Title
Environmentally friendly and highly efficient alkenes epoxidation system consisting of [π-C5H5N(CH2)11CH3]3PW4O32/H2O2/ethyl acetate/olefin
Abstract

The epoxidation of alkenes was successfully catalyzed by a recyclable and environmentally benign catalytic system: [π-C5H5N(CH2)11CH3]3[PW4O32]/H2O2/ethyl acetate/olefin. This new catalytic system not only capable of catalyzing homogeneous epoxidation of alkenes with unique reaction-controlled phase transfer characters, but also avoids the use of chlorinated solvents. The reactions were conducted in a biphasic mixture of aqueous H2O2/ethyl acetate, and many kinds of alkenes can be efficiently converted to the corresponding epoxides in high yields. The catalyst could be easily recovered and reused after reaction without loss activity. The fresh catalyst, used one and catalytically active species were characterized by 31P NMR.

Keywords
Epoxidation; Heteropolyoxotungstate; Recyclable; Ethyl acetate; 31P NMR
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Environmentally friendly and highly efficient alkenes epoxidation system consisting of [π-C5H5N(CH2)11CH3]3PW4O32/H2O2/ethyl acetate/olefin
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 14, 30 August 2008, Pages 2455–2459
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