Selective epoxidation of 1,4-bis(allyloxy)butane to 1-allyloxy-glycidoloxybutane in the presence of ionic liquids
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Add time:08/25/2019 Source:sciencedirect.com
The course of epoxidation of 1,4-bis(allyloxy)butane with hydrogen peroxide in the presence of H3PO4/Na2WO4·2H2O or heteropolyacids: H3PW12O40 and H3PMo12O40 as the catalysts and the ionic liquids as the phase transfer catalysts (cocatalysts) has been investigated. Imidazolium lactates and salicylates with N-alkyl or alkoxy substitute with different length were used as the cocatalysts. The influence of the kind and amount of catalyst on the yield of 1-allyloxy-4-glycidoloxybutane has been determined.
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