Method for producing alcohols containing cycloaliphatic groups
    3.
    发明授权
    Method for producing alcohols containing cycloaliphatic groups 失效
    含有脂环族基团的醇的制备方法

    公开(公告)号:US06284932B1

    公开(公告)日:2001-09-04

    申请号:US09423754

    申请日:1999-11-15

    IPC分类号: C07C3113

    摘要: In a process for preparing alcohols containing cycloaliphatic groups by hydrogenation of carboxylic acids containing aromatic nuclei, or anhydrides or esters thereof, in the presence of a catalyst, the hydrogenation is carried out in one stage, and the catalyst contains at least one element from groups 8 to 10 and at least one element from group 7 of the Periodic Table of the Elements, in the form of the metal or an oxide in each case.

    摘要翻译: 在通过氢化含有芳香核的羧酸或其酸酐或其酸酯制备含脂环族基团的醇的方法中,在催化剂存在下,在一个阶段中进行氢化,催化剂含有至少一种元素 8至10和元素周期表第7族中的至少一种元素,在每种情况下为金属或氧化物的形式。

    Method for producing aliphatic alcohols
    7.
    发明授权
    Method for producing aliphatic alcohols 有权
    生产脂肪醇的方法

    公开(公告)号:US06204417B1

    公开(公告)日:2001-03-20

    申请号:US09423876

    申请日:1999-11-15

    IPC分类号: C07C3118

    摘要: In a process for preparing aliphatic alcohols by hydrogenating aliphatic carboxylic acids or anhydrides or esters thereof or lactones in the presence of a catalyst comprising Pt and Re, in the form of the metal or an oxide in each case, the catalyst further comprises at least one further element from the groups 5 to 12 and 14 and the lanthanides of the Periodic Table of the Elements in the form of the metal or an oxide.

    摘要翻译: 在通过在包含Pt和Re的催化剂的存在下,在每种情况下以金属或氧化物的形式加氢脂族羧酸或其酸酐或其酯或内酯的方法中,催化剂还包含至少一种 第5〜12和14族的元素,元素周期表的镧系元素为金属或氧化物。

    Method for producing cyclopentanone
    9.
    发明授权
    Method for producing cyclopentanone 失效
    环戊酮生产方法

    公开(公告)号:US06429339B1

    公开(公告)日:2002-08-06

    申请号:US09700365

    申请日:2000-11-15

    IPC分类号: C07C4500

    摘要: A process for preparing cyclopentanone by reacting adipic esters of the formula R1OOC—(CH2)4—COOR2  I where R1 and R2 are each alkyl having from 1 to 12 carbon atoms, cycloalkyl having 5 or 6 carbon atoms, aralkyl or aryl and R2 may additionally be hydrogen, in the presence of oxidic catalysts comprises reacting adipic esters of the formula I having less than 5% by weight of by-products other than adipic esters in the gas phase in the presence of water, a carrier gas and a) from 0.01 to 10% by weight of at least one metal oxide selected from the first or second main group of the periodic table or from the group of the rare earth metals on titanium dioxide or zirconium dioxide as catalyst support, or b) from 0.01 to 50% by weight of at least one metal oxide selected from the second main group of the periodic table on zink oxide as catalyst support.

    摘要翻译: 通过使式R 1和R 2的己二酸酯反应制备环戊酮的方法各自是在氧化催化剂存在的情况下,可以另外为氢,其中R 1和R 2各自为具有1至12个碳原子的烷基,具有5或6个碳原子的环烷基或芳基, 包括使式I的己二酸酯在水,载气的存在下,在气相中具有小于5重量%的除己二酸酯之外的副产物,和(ii)0.01至10重量%的至少一种金属 氧化物,其选自周期表的第一或第二主族,或者来自稀土金属的二氧化钛或二氧化锆的组,作为催化剂载体,orb)为0.01至50重量%的至少一种选自 氧化锌作为催化剂载体的周期表第二主要组。