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Temperature-controlled selectivity in oxidation of 1-octene by using aqueous hydrogen peroxide in phase-boundary catalytic system

Paper ID Volume ID Publish Year Pages File Format Full-Text
40213 45846 2013 5 PDF Available
Title
Temperature-controlled selectivity in oxidation of 1-octene by using aqueous hydrogen peroxide in phase-boundary catalytic system
Abstract

•Alkylsilylated-titanium(IV) salicylaldimine complex as phase-boundary catalyst.•Temperature-controlled selectivity in oxidation of 1-octene by aqueous H2O2.•High selectivity in oxidation of 1-octene by aqueous H2O2 at low temperature.•Partitioning of catalyst in immiscible liquid–liquid phase boundary.•Effect of consolute boundary of the liquid–liquid phase to catalytic selectivity.

Temperature-controlled selectivity in oxidation of 1-octene by using aqueous hydrogen peroxide in phase-boundary catalytic system was demonstrated by using alkylsilylated-Ti(IV) salicylaldimine complex at a series of temperature (25–90 °C). The catalyst was synthesized by titanium(IV) sulfate solution, salicylaldehyde, and 3-aminopropyltrimethoxysilane as the precursors and followed by the attachment of octadecyltrimethoxysilane. It was found that the reaction system resulted in high selectivity at low temperature. One suggests that the high selectivity in the oxidation of 1-octene by aqueous hydrogen peroxide was related to partitioning of alkylsilylated-titanium(IV) salicylaldimine complex in immiscible liquid–liquid phase boundary which is temperature dependent.

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Keywords
Phase-boundary catalysis; Oxidation; Immiscible liquid–liquid; Temperature-controlled selectivity; Alkylsilylated-Ti(IV) salicylaldimine complex
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 460–461, 10 June 2013, Pages 21–25
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
Online Support
Any Questions? feel free to contact us