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Heterogeneous Epoxidation of n-octene, Cyclooctene and Styrene Using a Chitosan 4-Salicyledinepalladium (II) Catalyst under Aerobic Conditions

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Title: Heterogeneous Epoxidation of n-octene, Cyclooctene and Styrene Using a Chitosan 4-Salicyledinepalladium (II) Catalyst under Aerobic Conditions

Authors: Neveen A. Anan, Ian Ian S. Butler Butler, Sahar I. Mostafa

Journal: Journal of advanced catalysis science and technology

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Publisher: Cosmos Scholars Publishing House

Year: 2015

Volume: 2

Issue: 2

Language: en

Keywords: ChitosanHeterogeneousSchiff-basen-octeneCycloctene

Categories
Catalysis (222) Organic Chemistry (862) Green Chemistry (86) Materials Science (8025) Polymer Science (396)

Abstract

Chitosan (CS) has been condensed with 4-salicylidene to form a 2CS-Hdhba Schiff-base. The heterogeneous catalytic epoxidations of n-octene, cyclooctene and styrene have been achieved by employing a [Pd(dhba(H2O)Cl] complex as a catalyst in the presence of oxygen at atmospheric pressure at 358 K. The influence of reaction temperature, reaction time and amount of catalyst on the epoxidation processes has also been investigated. The catalyst is easily recovered from the epoxidation reaction mixtures even after 10 catalytic cycles.

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