Catalyst for transesterification
    1.
    发明授权
    Catalyst for transesterification 有权
    酯交换催化剂

    公开(公告)号:US06407269B2

    公开(公告)日:2002-06-18

    申请号:US09885962

    申请日:2001-06-22

    IPC分类号: C11C100

    摘要: The present invention provides a heterogeneous catalyst which is highly active, excellent in selectivity and free from elution of its catalyst-components during reaction and which has long lifetime. That is, a phosphate of a metal selected from the group consisting of aluminum, gallium and iron is used as the catalyst for transesterification of the present invention.

    摘要翻译: 本发明提供了一种非均相催化剂,它具有高活性,选择性优异,反应期间催化剂组分不溶解,寿命长。 也就是说,使用选自铝,镓和铁的金属的磷酸盐作为本发明的酯交换反应的催化剂。

    Solid acid catalyst
    2.
    发明授权
    Solid acid catalyst 有权
    固体酸催化剂

    公开(公告)号:US06383970B1

    公开(公告)日:2002-05-07

    申请号:US09597536

    申请日:2000-06-19

    IPC分类号: B01J3100

    摘要: The present invention provides a solid acid catalyst developing high activity and exhibiting high durability in various organic reactions. That is, the present invention provides a solid acid catalyst having the structure (A) in which a hydrogen atom is eliminated from at least one of OH groups contained in an inorganic phosphorus acid, the structure (B) in which a hydrogen atom is eliminated from at least one of OH groups contained in an organic phosphorus acid represented by the formula (1) or (2) and at least one metal atom (C) selected from aluminum, gallium and iron and a method for producing an ester, a ketal or an acetal by using the solid acid catalyst; wherein each of —R1 and —R2 is selected from —R, —OR, —OH and —H in which at least one of —R1 and —R2 is —R or —OR, given that —R is an organic group having 1-22 carbon atoms.

    摘要翻译: 本发明提供一种在各种有机反应中显示出高活性和显示高耐久性的固体酸催化剂。 也就是说,本发明提供具有结构(A)的固体酸催化剂,其中从无机磷酸中所含的OH基中的至少一个除去氢原子,其中消除氢原子的结构(B) 由式(1)或(2)表示的有机磷酸中的至少一个OH基和选自铝,镓和铁中的至少一种金属原子(C)和酯的制备方法,缩酮 或通过使用固体酸催化剂的缩醛;其中-R1和-R2各自选自-R,-OR,-OH和-H,其中-R1和-R2中的至少一个是-R或-OR, 假定-R是具有1-22个碳原子的有机基团。