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    • 7. 发明授权
    • Aluminum compounds and use thereof
    • 铝化合物及其用途
    • US06207845B1
    • 2001-03-27
    • US09403765
    • 1999-11-01
    • Munehisa OkutsuTomohito KitsukiKatsumi Kita
    • Munehisa OkutsuTomohito KitsukiKatsumi Kita
    • C07F506
    • B01J31/143B01J31/0212B01J31/0225B01J2231/40B01J2231/48C07C41/03C07C309/04C07C309/30C07C309/31C07C309/35C07C309/42C07F5/061C07F5/069C07C43/135C07C43/137C07C43/13
    • An aluminum compounds represented by the following general formula (1): Al(R1—SO3)1(R2)m(R3)n   (1) wherein R1 is a hydrocarbon group which may be substituted, R2 is a hydrocarbon group which may be substituted, an aliphatic hydrocarbonoxy group which may be substituted, or a halogen atom, R3 is an aromatic hydrocarbonoxy group which may be substituted, and 1, m and n are independently a number of 0 to 3, with the proviso that 1+m+n equals 3, and 1 is not 0, an acid catalyst comprising the aluminum compound, and a process for producing an ester, acetal, ketal, ether or alkyl glycoside making use of the catalyst. The catalyst is suitable for use in a variety of acid-catalyzed reactions of alcohols, i.e., reactions with carbonyl compounds, such as esterification, transesterification, acetalization and ketalization, etherification, ring-opening reactions of epoxy compounds, etc. in addition to the above-described respective reactions, is not deactivated by alcoholysis, has a sufficient activity, can easily control a reaction catalyzed thereby and scarcely causes side reactions. Consequently, the use of the catalyst permits the production of the intended product at a high yield from starting materials used in an almost equimolar proportion.
    • 由以下通式(1)表示的铝化合物:其中R1是可被取代的烃基,R2是可被取代的烃基,可被取代的脂族烃氧基或卤素原子,R3是 可以被取代的芳族烃氧基,并且1,m和n独立地为0-3的数,条件是1 + m + n等于3,并且1不为0,包含铝化合物的酸催化剂, 以及利用催化剂生产酯,缩醛,缩酮,醚或烷基糖苷的方法。该催化剂适用于各种酸催化的醇反应,即与羰基化合物的反应,如酯化, 酯交换,缩醛化和缩酮化,醚化,环氧化合物的开环反应等除了上述各自的反应之外,不通过醇解使其失活,具有足够的活性,可以容易地控制ar 因此催化,并且几乎不引起副反应。 因此,使用催化剂允许以几乎等摩尔比例使用的起始材料从高产率生产所需产品。