Preparation of cyclopentenones
    2.
    发明授权
    Preparation of cyclopentenones 失效
    环戊烯酮的制备

    公开(公告)号:US06828464B2

    公开(公告)日:2004-12-07

    申请号:US10718795

    申请日:2003-11-24

    IPC分类号: C07C4554

    摘要: The present invention provides a process for preparing 2-cyclopentenones of the general formula: where R1 to R4 are each hydrogen atoms or are alkyl or alkenyl radicals having from 1 to 12 carbon atoms, cycloalkyl or cycloalkenyl radicals having from 5 to 7 carbon atoms, aralkylene or aryl radicals, by converting hexenedioic acids and/or their esters of the general formulae where R1 to R4 are each as defined above and R5 and R6 are each hydrogen atoms or are alkyl radicals having from 1 to 12 carbon atoms, cycloalkyl radicals having 5 or 6 carbon atoms, aralkyl or aryl radicals, at temperatures of from 150 to 450° C., over solid, oxidic catalysts, wherein the catalysts on an oxidic support material comprise from 0.01 to 5% by weight of at least one alkali metal oxide.

    摘要翻译: 本发明提供一种制备以下通式的2-环戊烯酮的方法:其中R 1至R 4各自为氢原子或具有1至12个碳原子的烷基或烯基,环烷基或环烯基具有 5-7个碳原子的亚芳基或芳基,通过将通式R 1至R 4的通式所示的己烯二酸和/或它们的酯各自如上所定义,R 5和R 6各自为 氢原子或具有1至12个碳原子的烷基,具有5或6个碳原子的环烷基,芳烷基或芳基,在150-450℃的温度下,在固体,氧化催化剂上,其中催化剂在 氧化载体材料包含0.01至5重量%的至少一种碱金属氧化物。

    Catalyst and method for the hydration of carbonyl compounds
    5.
    发明授权
    Catalyst and method for the hydration of carbonyl compounds 有权
    催化剂和羰基化合物水合方法

    公开(公告)号:US07663003B2

    公开(公告)日:2010-02-16

    申请号:US11937537

    申请日:2007-11-09

    摘要: A process for hydrogenating an organic compound which has at least one carbonyl group, in which the organic compound is brought into contact in the presence of hydrogen with a shaped article which can be produced in a process in which (i) an oxidic material comprising copper oxide, aluminum oxide and at least one of the oxides of lanthanum, tungsten, molybdenum, titanium or zirconium is prepared, (ii) powdered metallic copper, copper flakes, powdered cement, graphite or a mixture thereof is added to the oxidic material, and (iii) the mixture resulting from (ii) is shaped to a shaped article.

    摘要翻译: 氢化具有至少一个羰基的有机化合物的方法,其中有机化合物在氢气存在下与成形制品接触,成形制品可以在以下工艺中制备,其中(i)包含铜的氧化物质 氧化物,氧化铝和镧,钨,钼,钛或锆的氧化物中的至少一种,(ii)将粉末状金属铜,铜片,粉末状水泥,石墨或其混合物加入氧化物中, (iii)由(ii)得到的混合物成型为成型制品。

    Catalyst and method for the hydration of carbonyl compounds
    6.
    发明授权
    Catalyst and method for the hydration of carbonyl compounds 有权
    催化剂和羰基化合物水合方法

    公开(公告)号:US07510591B2

    公开(公告)日:2009-03-31

    申请号:US10549140

    申请日:2004-03-20

    IPC分类号: C22C29/12 B01J23/72

    摘要: A process for hydrogenating an organic compound which has at least one carbonyl group, in which the organic compound is brought into contact in the presence of hydrogen with a shaped article which can be produced in a process in which (i) an oxidic material comprising copper oxide, aluminum oxide and at least one of the oxides of lanthanum, tungsten, molybdenum, titanium or zirconium is prepared, (ii) powdered metallic copper, copper flakes, powdered cement, graphite or a mixture thereof is added to the oxidic material, and (iii) the mixture resulting from (ii) is shaped to a shaped article.

    摘要翻译: 氢化具有至少一个羰基的有机化合物的方法,其中有机化合物在氢气存在下与成形制品接触,成形制品可以在以下工艺中制备,其中(i)包含铜的氧化物质 氧化物,氧化铝和镧,钨,钼,钛或锆的氧化物中的至少一种,(ii)将粉末状金属铜,铜片,粉末状水泥,石墨或其混合物加入氧化物中, (iii)由(ii)得到的混合物成型为成型制品。