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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 41, 2011 - Issue 22
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Original Articles

Epoxidation of Monomaleate with Hydrogen Peroxide Catalyzed by [π-C5H5N(CH2)15CH3]3PO4(WO3)4

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Pages 3417-3423 | Received 18 May 2010, Published online: 26 Jul 2011
 

Abstract

In the study, epoxidation of dodecanol monomaleate, hexadecanol monomaleate, and octadecanol monomaleate were carried out using [π-C5H5N(CH2)15CH3]3PO4(WO3)4 as phase-transfer catalyst with 30% hydrogen peroxide as oxidant. The experimental results showed that [π-C5H5N(CH2)15CH3]3PO4(WO3)4 had excellent catalytic effect on translating C=C double-bond into an epoxy group and had a good yield rate. The synthesized epoxides of decanol monomaleate, hexadecanol monomaleate, and octadecanol monomaleate have enormous potential application in organic synthesis, and they could be readily transformed into various synthetically useful intermediates or final products in many fields of chemistry.

ACKNOWLEDGMENT

Financial support from the Shandong Province Municipal Major Science and Technology Special Project (2006GG1108097-10) is gratefully acknowledged.

Notes

Note: Reaction condition: pH 5.0, 60 °C, reation time 2 h, and the amount of 2a–c was 1.0 mmol respectively.

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