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Efficient dehydration of cinnamaldoxime to cinnamonitrile over H3PO4/Al-MCM-41

Paper ID Volume ID Publish Year Pages File Format Full-Text
51429 46843 2009 4 PDF Available
Title
Efficient dehydration of cinnamaldoxime to cinnamonitrile over H3PO4/Al-MCM-41
Abstract

Cinnamonitrile was synthesized via the environmentally benign liquid-phase dehydration of cinnamaldoxime over Al-MCM-41 modified with H3PO4. FT-IR experiments with pyridine have indicated that these mesostructured aluminosilicates contain both Brönsted and Lewis acid sites. The catalytic properties of their H3PO4 treated derivatives for dehydration of cinnamaldoxime have been evaluated. An aprotic solvent with a higher dielectric constant was preferred for this transformation. The conversion of cinnamaldoxime to cinnamonitrile increased with increasing the H3PO4 content in the catalysts up to a maximum value of 30% and decreasing if H3PO4 content was higher. The influence of other operating parameters was also investigated.

Keywords
Cinnamonitrile; Cinnamaldoxime; Dehydration; Liquid-phase reaction; H3PO4/Al-MCM-41
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Efficient dehydration of cinnamaldoxime to cinnamonitrile over H3PO4/Al-MCM-41
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 6, 15 February 2009, Pages 777–780
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