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45 条记录 (耗时 0.021 秒)

    Manufacture of N-alkylanilines
    1.
    发明授权
    Manufacture of N-alkylanilines 失效
    N-烷基苯胺的制造

    公开(公告)号：US4196147A

    公开(公告)日：1980-04-01

    申请号：US837938

    申请日：1977-09-29

    申请人： Martin Decker ,  Herwig Hoffmann ,  Leopold Hupfer ,  Herbert Toussaint

    发明人： Martin Decker ,  Herwig Hoffmann ,  Leopold Hupfer ,  Herbert Toussaint

    IPC分类号： C07C209/18 ,  C07C85/06

    CPC分类号： C07C209/18

    摘要： N-Alkylanilines are obtained by alkylating anilines with alcohols in the absence of hydrogen under a pressure substantially higher than the autogenous pressure of the reaction mixture, at from 50.degree. to 250.degree. C., preferably in the presence of a fixed catalyst containing cobalt, nickel and copper.

    摘要翻译： N-烷基苯胺是通过在不存在氢气的条件下，在大约高于反应混合物的自生压力的压力下，在不存在氢气的条件下，将苯胺与50-250℃，优选在含有钴的固定催化剂存在下， 镍和铜。

    Preparation of formic acid by thermal cleavage of quaternary ammonium formates
    7.
    发明授权
    Preparation of formic acid by thermal cleavage of quaternary ammonium formates 失效
    通过季铵化合物的热裂解制备甲酸

    公开(公告)号：US5294740A

    公开(公告)日：1994-03-15

    申请号：US41048

    申请日：1993-03-31

    申请人： Hans Kiefer ,  Leopold Hupfer ,  Ferdinand Lippert

    发明人： Hans Kiefer ,  Leopold Hupfer ,  Ferdinand Lippert

    IPC分类号： C07C51/02 ,  C07C51/09 ,  C07C51/44

    CPC分类号： C07C51/02

    摘要： A process for preparing formic acid by thermal cleavage of quaternary ammonium formates of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are C.sub.1 - to C.sub.14 -alkyl, C.sub.3 - to C.sub.8 -cycloalkyl, aryl or C.sub.7 - to C.sub.16 -aralkyl, or together are 1,4- or 1,5-alkylene which is unsubstituted or substituted one to four times by C.sub.1 -to C.sub.4 -alkyl, with the proviso that the sum of the carbon atoms of R.sup.1, R.sup.2 and R.sup.3 in the quaternary ammonium formates I is 7 to 40,comprises carrying out the cleavage in the presence of secondary formamides of the general formula II ##STR2## where R.sup.4 and R.sup.5 are C.sub.2 - to C.sub.10 -alkyl, C.sub.3 - to C.sub.8 -cycloalkyl, aryl or C.sub.7 - to C.sub.16 -aralkyl, or together are 1,4- or 1,5-alkylene which is unsubstituted or substituted one to four times by C.sub.1 - to C.sub.4 -alkyl,which formamides boil 30.degree. to 150.degree. C. lower than the tertiary amine of the general formula III ##STR3## where R.sup.1, R.sup.2 and R.sup.3 have the abovementioned meanings, contained in the formate I.

    摘要翻译： 通式I（*化学结构*）（I）的季铵盐的热裂解制备甲酸的方法，其中R 1，R 2和R 3是C 1〜C 14烷基，C 3〜C 8环烷基，芳基或 C7-至C16-芳烷基，或一起为未取代或被C1至C4-烷基取代1-4次的1,4-或1,5-亚烷基，条件是R1， 季铵盐I中的R 2和R 3为7至40，包括在通式II（*化学结构*）（II）的二级甲酰胺存在下进行裂解，其中R 4和R 5为C 2至C 10 - 烷基 ，C 3 -C 8 - 环烷基，芳基或C 7 - 至C 16 - 芳烷基，或者一起是未被取代或被C 1〜C 4 - 烷基取代1〜4次的1,4-或1,5-亚烷基， 比通式III的叔胺（*化学结构*）（III）低30〜150℃，其中R1，R2和R3具有上述含义，含有i 在甲板上

    Preparation of vinyl ethers
    8.
    发明授权
    Preparation of vinyl ethers 失效
    乙烯的制备

    公开(公告)号：US5130435A

    公开(公告)日：1992-07-14

    申请号：US565180

    申请日：1990-08-09

    申请人： Wolfgang Hoelderich ,  Norbert Goetz ,  Leopold Hupfer

    发明人： Wolfgang Hoelderich ,  Norbert Goetz ,  Leopold Hupfer

    IPC分类号： C07C41/28

    CPC分类号： C07C41/28 ,  Y02P20/582

    摘要： Vinyl ethers of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are identical to or different from one another, each being hydrogen, straight-chain or branched alkyl or alkenyl of up to 12 carbon atoms, cycloalkyl or cycloalkylene of from 5 to 8 carbon atoms, aryl, alkylaryl, alkenylaryl, aralkyl and aralkenyl of from 6 to 16 carbon atoms, halogen-substituted aryl or heterocyclyl, and in addition the radicals R.sup.1 and R.sup.2 or R.sup.1 and R.sup.3, together with the carbon atom to which they are bonded, can form a cycloalkane, cycloalkene or a heterocycle, and R.sup.4 is alkyl, alkylaryl or aralkyl, are prepared by eliminating an alcohol from an acetal/ketal of the formula ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined above, in the presence of a phosphate of zeolite structure and/or a precipitated phosphate of the elements B, Zr, Ce or Fe and/or phosphoric acid or boric acid on carrier material and/or acidic undoped metal oxide as catalyst, the reaction being preferably carried out in the gas phase.

    摘要翻译： 式中，R 1，R 2和R 3彼此相同或不同的乙烯基醚，各自为氢，直至12个碳原子的直链或支链烷基或烯基，5至8的环烷基或亚环烷基 碳原子，芳基，烷基芳基，烯基芳基，芳烷基和具有6至16个碳原子的芳烯基，卤素取代的芳基或杂环基，此外基团R 1和R 2或R 1和R 3与它们所键合的碳原子一起 可以形成环烷烃，环烯烃或杂环，并且R 4是烷基，烷基芳基或芳烷基，通过从式（I）的缩醛/缩酮中除去醇来制备，其中R 1，R 2，R 3和R 4各自如上所定义 在载体材料和/或酸性未掺杂的金属氧化物作为催化剂的沸石结构的磷酸盐和/或元素B，Zr，Ce或Fe和/或磷酸或硼酸的沉淀磷酸盐存在下，反应为 优选在气相中进行。

    Preparation of vinyl ethers
    9.
    发明授权
    Preparation of vinyl ethers 失效
    乙烯基醚的制备

    公开(公告)号：US4891451A

    公开(公告)日：1990-01-02

    申请号：US213589

    申请日：1988-06-30

    申请人： Wolfgang Hoelderich ,  Norbert Goetz ,  Leopold Hupfer

    发明人： Wolfgang Hoelderich ,  Norbert Goetz ,  Leopold Hupfer

    IPC分类号： C07C41/28

    CPC分类号： C07C41/28 ,  C07C2101/14 ,  Y02P20/582

    摘要： Vinyl ethers of the formula (I) ##STR1## where R.sup.1 to R.sup.3 are identical or different and are each hydrogen, a straight-chain or branched alkyl or alkenyl radical of not more than 12 carbon atoms, halogen-substituted alkyl, a cycloalkyl or cycloalkenyl radical of 5 to 8 carbon atoms, an aryl, alkylaryl, alkenylaryl, aralkyl or aralkenyl radical of 6 to 16 carbon atoms, halogen-substituted aryl or a heterocyclic radical and furthermore R.sup.1 and R.sup.2 or R.sup.1 and R.sup.3, together with the carbon atom to which they are bonded, may form a cycloalkane, cycloalkene or heterocyclic structure, and R.sup.4 is alkyl, alkylaryl or aralkyl, are prepared by a process in which an alcohol is eliminated from an acetal or ketal of the formula (II) ##STR2## where R.sup.1 to R.sup.4 have the above meanings, in the presence of borosilicate and/or iron silicate zeolites as catalysts.

    摘要翻译： 式（I）的乙烯基醚其中R 1至R 3相同或不同并且各自为氢，不超过12个碳原子的直链或支链烷基或烯基，卤素取代的烷基， 5至8个碳原子的环烷基或环烯基，6至16个碳原子的芳基，烷基芳基，烯基芳基，芳烷基或芳烯基，卤素取代的芳基或杂环基，此外R1和R2或R1和R3连同 其键合的碳原子可以通过其中从式（II）的缩醛或缩酮中除去醇的方法制备环烷烃，环烯烃或杂环结构，并且R 4是烷基，烷基芳基或芳烷基， 在有硼硅酸盐和/或铁硅酸盐沸石作为催化剂的情况下，R1至R4具有上述含义的图像（II）。

    Preparation of alpha, beta-unsaturated ketones
    10.
    发明授权
    Preparation of alpha, beta-unsaturated ketones 失效
    制备α，β-不饱和酮

    公开(公告)号：US4885395A

    公开(公告)日：1989-12-05

    申请号：US100846

    申请日：1987-09-25

    申请人： Wolfgang Hoelderich ,  Kurt Schneider ,  Leopold Hupfer

    发明人： Wolfgang Hoelderich ,  Kurt Schneider ,  Leopold Hupfer

    IPC分类号： B01J29/04 ,  B01J29/40 ,  B01J29/85 ,  C07C45/66 ,  C07C45/67

    CPC分类号： B01J29/85 ,  B01J29/04 ,  B01J29/40 ,  C07C45/66 ,  C07C45/673 ,  C07C45/676 ,  Y02P20/582

    摘要： Alpha,beta-unsaturated ketones of the formula (I) ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, alkyl, alkenyl of 1 to 12 carbon atoms, cycloalkyl, aryl, aralkyl or alkylaryl, are prepared by converting the corresponding .alpha.-hydroxy, alkoxy or carboxy compound in the presence of an acidic catalyst.Preferred starting materials are 3-methyl-3-hydroxy-butan-2-one, 3-methyl-3-hydroxypentan-2-one and 3-pentamethylene-3-hydroxypropan-2-one, and preferred catalysts are zeolites of the pentasil type.

    摘要翻译： 式（I）的α，β-不饱和酮其中R 1，R 2和R 3各自为氢，具有1至12个碳原子的烷基，烯基，环烷基，芳基，芳烷基或烷芳基，其通过转化 在酸性催化剂存在下，相应的α-羟基，烷氧基或羧基化合物。 优选的原料是3-甲基-3-羟基 - 丁-2-酮，3-甲基-3-羟基戊-2-酮和3-五亚甲基-3-羟基丙-2-酮，优选的催化剂是pentasil的沸石 类型。