Process for producing a higher carbonyl compound
    1.
    发明授权
    Process for producing a higher carbonyl compound 失效
    制备高级羰基化合物的方法

    公开(公告)号:US4271320A

    公开(公告)日:1981-06-02

    申请号:US71670

    申请日:1979-08-31

    摘要: An industrially suitable process for producing a higher carbonyl compound by the oxidation of an olefinic compound having at least six carbon atoms is provided. Said improved process comprises oxidizing the olefinic compound in aqueous medium containing palladium or salt thereof and a copper salt in the presence of a specific water-soluble polyoxyalkylene compound in an amount of from about 1/4 to about 3 parts by weight per 1 part by weight of water contained in the reaction mixture. The improvement is demonstrated in terms of yield, selectivity, separation of the product, and recycle of the catalyst.

    摘要翻译: 提供了通过氧化具有至少6个碳原子的烯属化合物来生产高级羰基化合物的工业上合适的方法。 所述改进的方法包括在特定水溶性聚氧化烯化合物存在下,将含有钯或其盐和铜盐的水性介质中的烯烃化合物氧化为约1/3〜3重量份/ 1份/ 包含在反应混合物中的水的重量。 在产率,选择性,产物分离和催化剂循环方面证明了改进。

    Method for production of .alpha.,.omega.-dialdehydes
    6.
    发明授权
    Method for production of .alpha.,.omega.-dialdehydes 失效
    生产α,ω-二醛的方法

    公开(公告)号:US4808756A

    公开(公告)日:1989-02-28

    申请号:US104988

    申请日:1987-10-06

    IPC分类号: C07C45/49 C07C45/50

    CPC分类号: C07C45/49 C07C45/50

    摘要: The method for producing .alpha.,.omega.-dialdehydes from .alpha.,.omega.-diolefins or .alpha.,.omega.-alkenals in good yield and with high efficiency. The expensive rhodium catalyst for hydroformylation can be reused without any substantial attrition of activity. Moreover, since the loses of the catalyst, monodentate phosphine and sulfolane used in the hydroformylation reaction are minimal, the method is commercially advantageous.

    摘要翻译: 从α,ω-二烯烃或α,ω-链烷醇生产α,ω-二醛的方法,产率高,效率高。 用于加氢甲酰化的昂贵的铑催化剂可以重复使用而没有任何实质性的活性消耗。 此外,由于催化剂的损失,加氢甲酰化反应中使用的单齿膦和环丁砜是最小的,所以该方法在商业上是有利的。