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    • 4. 发明授权
    • Production of epoxides such as propylene oxide using packed catalytic
bed containing moist resting cells exhibiting oxygenase activity
    • 使用包含显示加氧酶活性的潮湿静息细胞的填充催化床生产环氧化物如环氧丙烷
    • US4348476A
    • 1982-09-07
    • US227135
    • 1981-01-22
    • Ching T. Hou
    • Ching T. Hou
    • C07D301/02C07D301/04C12M1/40C12P17/02
    • C07D301/02C07D301/04C12M21/18C12M25/18C12M29/24C12M41/22C12P17/02
    • Process and equipment for advancing the oxidation state of a gaseous oxidizable organic substrate through contact with oxygen and a solid state biocatalyst. The process comprises passing through a stationary catalytic bed comprising moist, resting cells exhibiting oxygenase activity, a gaseous, oxidizable organic substrate and a gaseous source of oxygen, until the oxidative state of at least a portion of said substrate is increased, while maintaining the relative humidity in said bed at such a level that said cells remain moist and viable, and while maintaining the temperature in the vapor state. The process uses an oxygenase enzyme as a catalyst, for the incorporation of molecular oxygen directly into a specific organic molecule. The invention is of particular interest for the conversion of propylene to propylene oxide, and similar reactions that are catalyzed by mono-oxygenase enzymes.
    • 用于通过与氧和固态生物催化剂接触来促进气态可氧化有机基质的氧化态的方法和设备。 该方法包括通过包含显示加氧酶活性的潮湿静息细胞的固定催化床,气态可氧化有机底物和气态氧源,直到所述底物的至少一部分的氧化状态增加,同时保持相对 在所述床中的湿度以使得所述细胞保持潮湿和活力并且同时将温度保持在蒸汽状态的水平。 该方法使用加氧酶作为催化剂,用于将分子氧直接引入特定有机分子中。 本发明特别令人感兴趣的是将丙烯转化为环氧丙烷,以及由单加氧酶催化的类似反应。