首页> 外文OA文献 >Epoxidation of cyclooctene and cyclohexene with hydrogen peroxide catalyzed by bis[3,5-bis(trifluoromethyl)-diphenyl] diselenide: Recyclable catalyst-containing phases through the use of glycerol-derived solvents
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Epoxidation of cyclooctene and cyclohexene with hydrogen peroxide catalyzed by bis[3,5-bis(trifluoromethyl)-diphenyl] diselenide: Recyclable catalyst-containing phases through the use of glycerol-derived solvents

机译:双[3,5-双(三氟甲基)-二苯基]二硒化物催化的过氧化氢环辛烯和环己烯的环氧化反应:通过使用甘油衍生的溶剂,可回收的含催化剂的相

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摘要

A green strategy has been explored for olefin epoxidation which combines renewable solvents (derived from glycerol), aqueous hydrogen peroxide, and catalyst recycling (a seleninic acid derivative). The use of fluorinated glycerol derivatives allows good catalytic activity in the epoxidation of cyclooctene and cyclohexene with aqueous hydrogen peroxide, preventing epoxide hydrolysis to a great extent, which is particularly remarkable in the case of cyclohexene. Furthermore, recycling of the catalytically active phase is possible through distillation of the cyclohexene oxide from the reaction mixture, which can be subsequently recharged with fresh oxidant and substrate. © 2010 Elsevier B.V. All rights reserved.
机译:对于烯烃环氧化,已探索出一种绿色策略,该策略将可再生溶剂(衍生自甘油),过氧化氢水溶液和催化剂循环利用(硒酸衍生物)相结合。氟化甘油衍生物的使用在环辛烯和环己烯与过氧化氢水溶液的环氧化中具有良好的催化活性,在很大程度上防止了环氧化物的水解,这在环己烯的情况下尤其显着。此外,可以通过从反应混合物中蒸馏出环己烯氧化物来回收催化活性相,然后可以将其与新鲜的氧化剂和底物一起加入。 ©2010 Elsevier B.V.保留所有权利。

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