Kinetic study of the phase-transfer catalytic epoxidation of 1,4-bis(allyloxy)butane

Add time:08/26/2019    Source:sciencedirect.com

The epoxidation of 1,4-bis(allyloxy)butane (DiBan) with hydrogen peroxide as an oxidant in the presence of o-phosphoric acid and sodium tungstate as an epoxidation catalyst was carried out in an organic solvent/aqueous solution two-phase medium. A few different phase-transfer catalysts were used in the process. The effect of the stirring speed, nature of solvent, the type of PT catalyst and molar ratio of H2O2:DiBan, DiBan:Na2WO4:H3PO4 on the DiBan conversion as the function of time was studied.Based on the experimental results, a pseudo-first-order expression for the reaction rate was applied and most efficient conditions epoxidation were developed.

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