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    • 4. 发明授权
    • Methods of producing epoxides from alkenes using a two-component catalyst system
    • 使用双组分催化剂体系从烯烃生产环氧化物的方法
    • US08481766B2
    • 2013-07-09
    • US12943138
    • 2010-11-10
    • Mayfair C. KungHarold H. KungJian Jiang
    • Mayfair C. KungHarold H. KungJian Jiang
    • C07D301/06
    • C07D301/06
    • Methods for the epoxidation of alkenes are provided. The methods include the steps of exposing the alkene to a two-component catalyst system in an aqueous solution in the presence of carbon monoxide and molecular oxygen under conditions in which the alkene is epoxidized. The two-component catalyst system comprises a first catalyst that generates peroxides or peroxy intermediates during oxidation of CO with molecular oxygen and a second catalyst that catalyzes the epoxidation of the alkene using the peroxides or peroxy intermediates. A catalyst system composed of particles of suspended gold and titanium silicalite is one example of a suitable two-component catalyst system.
    • 提供烯烃环氧化方法。 所述方法包括在烯烃被环氧化的条件下,在一氧化碳和分子氧的存在下,在水溶液中将烯烃暴露于双组分催化剂体系的步骤。 双组分催化剂体系包括在分子氧氧化CO期间产生过氧化物或过氧化物中间体的第一催化剂和使用过氧化物或过氧化物中间体催化烯烃的环氧化的第二催化剂。 由悬浮金和钛硅沸石的颗粒组成的催化剂体系是合适的双组分催化剂体系的一个实例。