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85 条记录 (耗时 0.022 秒)

    Preparation of 1,4-diazabicyclo[2.2.2]octanes
    1.
    发明授权
    Preparation of 1,4-diazabicyclo[2.2.2]octanes 失效
    制备1,4-二氮杂双环[2.2.2]辛烷

    公开(公告)号：US4804758A

    公开(公告)日：1989-02-14

    申请号：US105537

    申请日：1987-10-08

    申请人： Wolfgang Hoelderich ,  Kurt Schneider ,  Walter Best

    发明人： Wolfgang Hoelderich ,  Kurt Schneider ,  Walter Best

    IPC分类号： C07D487/08

    CPC分类号： C07D487/08 ,  Y02P20/582

    摘要： 1,4-Diazabicyclo[2.2.2]octane and C-substituted 1,4-diazabicyclo[2.2.2]octanes of the formula (I) ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or alkyl or alkenyl, each of 1 to 4 carbon atoms, are prepared from a heterocyclic amine of the formula (II) ##STR2## where R.sup.1 and R.sup.2 have the above meanings, R.sup.3 is hydrogen, hydroxyethyl or aminoethyl and X is hydroxyl or amino, in the presence of borosilicate and/or iron silicate zeolites as catalysts. Particularly suitable catalysts are the borosilicate and iron silicate zeolites of the pentasil type.

    摘要翻译： 式（I）的1,4-二氮杂双环[2.2.2]辛烷和C-取代的1,4-二氮杂双环[2.2.2]辛烷其中R 1和R 2各自为氢或烷基或链烯基， 每个1-4个碳原子由式（II）的杂环胺制备，其中R 1和R 2具有上述含义，R 3是氢，羟乙基或氨基乙基，X是羟基或氨基，在 硼硅酸盐和/或铁硅酸盐沸石作为催化剂的存在。 特别合适的催化剂是pentasil型的硼硅酸盐和硅酸铁沸石。

    Preparation of unsaturated and saturated ketones
    2.
    发明授权
    Preparation of unsaturated and saturated ketones 失效
    不饱和和饱和酮的制备

    公开(公告)号：US4874899A

    公开(公告)日：1989-10-17

    申请号：US206731

    申请日：1988-06-15

    申请人： Wolfgang Hoelderich ,  Leopold Hupfer ,  Kurt Schneider

    发明人： Wolfgang Hoelderich ,  Leopold Hupfer ,  Kurt Schneider

    IPC分类号： C07C45/59 ,  C07C49/11 ,  C07C49/203 ,  C07C49/21

    CPC分类号： C07C45/59 ,  C07C49/11 ,  C07C49/203 ,  C07C49/21 ,  Y02P20/582

    摘要： Unsaturated ketones of the formula ##STR1## and saturated ketones of the formula ##STR2## where R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, alkyl of 1 to 12 carbon atoms or a cycloalkyl, aryl, aralkyl or alkylaryl radical which inturn may be substituted, or R.sup.1 and R.sup.3 or R.sup.2 and R.sup.3, together with the carbon atoms to which they are bonded, may form a cycloalkane, are prepared by a process in which a 5-methylene-1,3-dioxolanone which is substituted in the 4-position and is of the forumla ##STR3## where R.sup.1, R.sup.2 and R.sup.3 have the above meanings, (a) for the preparation of an unsaturated ketone, is converted in the presence of a zeolite, of a phosphate having a zeolite structure and/or of B, Ce, Fe, Zr or Sr phosphate as catalysts and (b) for the preparation of a saturated ketone, is converted in the presence of the same catalysts which additionally carry one or more hydrogenation components.

    摘要翻译： 其中R1，R2和R3各自为氢，1至12个碳原子的烷基或可以被取代的环烷基，芳基，芳烷基或烷基芳基，其中式（IMAGE）的不饱和酮和式“IMAGE”的饱和酮， 或R 1和R 3或R 2和R 3与它们所键合的碳原子一起形成环烷烃的方法通过以下方法制备：其中在4-位被取代的5-亚甲基-1,3-二氧杂环戊酮 并且是其中R1，R2和R3具有上述含义的论文（a），（a）制备不饱和酮的方法，在沸石存在下，具有沸石结构的磷酸盐和/或 B，Ce，Fe，Zr或Sr磷酸盐作为催化剂，（b）制备饱和酮的催化剂在相同催化剂的存在下转化，另外还含有一种或多种氢化组分。

    Preparation of alpha, beta-unsaturated ketones
    3.
    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。

    Preparation of ketones
    4.
    发明授权
    Preparation of ketones 失效
    酮的制备

    公开(公告)号：US4866210A

    公开(公告)日：1989-09-12

    申请号：US144372

    申请日：1988-01-15

    申请人： Wolfgang Hoelderich ,  Leopold Hupfer ,  Kurt Schneider

    发明人： Wolfgang Hoelderich ,  Leopold Hupfer ,  Kurt Schneider

    IPC分类号： C07C45/65 ,  C07C45/67

    CPC分类号： C07C45/65 ,  C07C45/673 ,  C07C45/676 ,  Y02P20/582

    摘要： Ketones of the formula ##STR1## where R.sup.1 to R.sup.3 are each hydrogen and R.sup.1 to R.sup.4 are each alkyl of 1 to 12 carbon atoms, cycloalkyl of 4 to 8 carbon atoms, aryl, aralkyl or alkylaryl, which each in turn may be substituted, or R.sup.1 and R.sup.2 and R.sup.3 together with the carbon atoms to which they are bonded form a cycloalkane, are prepared by reacting ketones of the formula ##STR2## where one of R.sup.1, R.sup.2, R.sup.3 and R.sup.5 is hydroxyl, alkoxy or carboxyl while the remaining R.sup.1 to R.sup.4 have the abovementioned meanings, with hydrogen in the presence of acid catalysts supporting one or more hydrogenation components, zeolites of the pentasil type being particularly suitable.

    摘要翻译： 其中R 1至R 3各自为氢且R 1至R 4各自为具有1至12个碳原子的烷基，4至8个碳原子的环烷基，芳基，芳烷基或烷基芳基的式“IMAGE”的酮，其各自依次可被取代， 或者R 1和R 2和R 3与它们所键合的碳原子一起形成环烷烃，是通过使下式的酮反应制备的：其中R1，R2，R3和R5之一是羟基，烷氧基或羧基，而其余的 R1至R4具有上述含义，在负载一种或多种氢化组分的酸催化剂存在下用氢气，pentasil型沸石是特别合适的。