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    • 4. 发明授权
    • Preparation of amines
    • 胺的制备
    • US06462236B2
    • 2002-10-08
    • US09983307
    • 2001-10-24
    • Shelue LiangFrank FunkeArthur Höhn
    • Shelue LiangFrank FunkeArthur Höhn
    • C07C20926
    • C07C209/26C07C211/29
    • Amines of the formula (I) R1R2CH—NR3R4  (I) where R1, R2, R3 and R4 are each, independently of one another, hydrogen, straight-chain or branched C1-C12-alkyl, C3-C12-cycloalkyl, C6-C10-aryl or C7-C11-aralkyl, where at least one of the radicals R1 and R2 is aryl or aralkyl whose aromatic unit is substituted by at least one halogen, are prepared by catalytic, hydrogenative amination of carbonyl compounds of the formula (II) or alcohols of the formula (III) R1—C(═O)—R2  (II) R1—CH(OH)—R2  (III) by means of nitrogen compounds of the formula (IV) HNR3R4  (IV) where R1 to R4 are as defined above, in the presence of Co- and/or Ni-containing catalysts, in the additional presence of solid acid cocatalysts and in the absence of organic sulfur compounds.
    • 式(I)的胺其中R 1,R 2,R 3和R 4各自独立地为氢,直链或支链C 1 -C 12 - 烷基,C 3 -C 12 - 环烷基,C 6 -C 10 - 芳基或C 7 -C 12 - C 11 - 芳烷基,其中基团R 1和R 2中的至少一个是其芳族单元被至少一个卤素取代的芳基或芳烷基,其通过式(II)的羰基化合物的催化,氢化胺化或式 (III)通过其中R 1至R 4如上所定义的式(Ⅳ)的氮化合物在存在Co和/或Ni的催化剂的情况下,在固体酸助催化剂的另外存在下,在不存在 有机硫化合物。
    • 8. 发明授权
    • Preparation of cyclopentenones
    • 环戊烯酮的制备
    • US06828464B2
    • 2004-12-07
    • US10718795
    • 2003-11-24
    • Shelue LiangRolf-Hartmuth FischerSylvia Huber-DirrAndrea Haunert
    • Shelue LiangRolf-Hartmuth FischerSylvia Huber-DirrAndrea Haunert
    • C07C4554
    • B01J23/04C07C45/48Y02P20/582C07C49/597
    • 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.
    • 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。