利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

85 条记录 (耗时 0.02 秒)

    Preparation of olefinically unsaturated carboxylic esters having a terminal ester group
    1.
    发明授权
    Preparation of olefinically unsaturated carboxylic esters having a terminal ester group 失效
    具有末端酯基的烯属不饱和羧酸酯的制备

    公开(公告)号：US4999453A

    公开(公告)日：1991-03-12

    申请号：US337867

    申请日：1989-04-14

    申请人： Franz Merger ,  Hans Horler ,  Wolfgang Hoelderich ,  Tom Witzel

    发明人： Franz Merger ,  Hans Horler ,  Wolfgang Hoelderich ,  Tom Witzel

    IPC分类号： B01J29/04 ,  B01J29/40 ,  B01J29/83 ,  B01J29/85 ,  B01J29/86 ,  B01J29/88 ,  C07B61/00 ,  C07C67/32 ,  C07C69/533

    CPC分类号： C07C67/32 ,  C07C69/533 ,  Y02P20/582

    摘要： Olefinically unsaturated carboxylic esters having a terminal ester group and of the general formulae Ia and IbR.sup.1 --CH.sub.2 --CH.dbd.CH--(CH.sub.2).sub.r--1 --COOR.sup.2 (Ia)R.sup.1 --CH.dbd.CH--(CH.sub.2).sub.r --COOR.sup.2 (Ib)and, if desired, further double bond isomers, where R.sup.1 is hydrogen or an organic radical, R.sup.2 is C.sub.1 -C.sub.8 -alkyl and r is from 1 to 20, are prepared by a process in which an .alpha.-substituted .alpha.,.omega.-(n-alkylenedicarboxylic ester) of the general formula II ##STR1## where R.sup.1 and R.sup.2 and r have the abovementioned meanings and R.sup.3 is C.sub.1 -C.sub.8 -alkyl, is converted over an acidic heterogeneous catalyst at from 150.degree. to 800.degree. C. and under from 0.01 to 50 bar.

    摘要翻译： 具有末端酯基和通式Ia和Ib的烯属不饱和羧酸酯R1-CH2-CH = CH-（CH2）r-1-COOR2（Ia）R1-CH = CH-（CH2）r-COOR2（Ib ），并且如果需要，其中R 1是氢或有机基团的另外的双键异构体，R 2是C 1 -C 8 - 烷基，r是1至20，是通过以下方法制备的，其中α-取代的α，ω- 其中R 1和R 2和r具有上述含义，并且R 3是C 1 -C 8烷基的通式II（II）的（正 - 亚烷基二羧酸酯）在150至800℃的酸性非均相催化剂上转化 在0.01至50巴之间。

    Conversion of 1,3-dioxanes to 4-oxaaldehydes
    2.
    发明授权
    Conversion of 1,3-dioxanes to 4-oxaaldehydes 失效
    1,3-二恶烷转化为4-氧杂醛

    公开(公告)号：US4939280A

    公开(公告)日：1990-07-03

    申请号：US188416

    申请日：1988-04-29

    申请人： Wolfgang Hoelderich ,  Franz Merger ,  Helmut Lermer

    发明人： Wolfgang Hoelderich ,  Franz Merger ,  Helmut Lermer

    IPC分类号： C07C45/60 ,  C07C47/198 ,  C07C47/277 ,  C07D335/02

    CPC分类号： C07C47/198 ,  C07C45/60 ,  C07C47/277 ,  C07D335/02

    摘要： 4-Oxaaldehydes of the formula ##STR1## are prepared by catalytic isomerization of 1,3-dioxanes by a process in which a 1,3-dioxane of the formula ##STR2## where R.sup.1, R.sup.2, R.sup.4 and R.sup.5 are identical or different and are each hydrogen, a straight-chain or branched alkyl, alkenyl or alkynyl radical of not more than 18 carbon atoms, a cycloalkyl or cycloalkenyl radical of 5 to 8 carbon atoms, an aryl, alkylaryl, aralkyl or alkenylaryl radical of 5 to 16 carbon atoms or a heterocyclic radical, and furthermore R.sup.1 and R.sup.2 and/or R.sup.4 and R.sup.5 together with the carbon atom to which they are bonded may form a cycloalkane, a cycloalkene or a heterocyclic structure, and the stated radicals may furthermore carry substituents which are inert under the reaction conditions, and R.sup.3 is hydrogen or straight-chain or branched alkyl, is isomerized using a phosphate as a catalyst.

    摘要翻译： 通过其中R1，R2，R4和R5相同或不同的式“IMAGE”的1,3-二恶烷的方法，通过1,3-二恶烷的催化异构化制备式“IMAGE”的4-氧代醛， 各自为氢，不超过18个碳原子的直链或支链烷基，烯基或炔基，5至8个碳原子的环烷基或环烯基，5至16个碳的芳基，烷基芳基，芳烷基或烯基芳基 原子或杂环基团，此外，R 1和R 2和/或R 4和R 5与它们所键合的碳原子一起可以形成环烷烃，环烯烃或杂环结构，并且所述基团还可以携带惰性的取代基 在反应条件下，R 3为氢或直链或支链烷基，使用磷酸酯作为催化剂异构化。

    Preparation of cyclic 6-membered to 8-membered vinylene-1,2-dioxy compounds
    3.
    发明授权
    Preparation of cyclic 6-membered to 8-membered vinylene-1,2-dioxy compounds 失效
    环状6元至8元亚乙烯基-1,2-二氧化合物的制备

    公开(公告)号：US5003089A

    公开(公告)日：1991-03-26

    申请号：US379412

    申请日：1989-07-13

    申请人： Franz Merger ,  Juergen Frank ,  Wolfgang Hoelderich ,  Toni Dockner ,  Manfred Sauerwald

    发明人： Franz Merger ,  Juergen Frank ,  Wolfgang Hoelderich ,  Toni Dockner ,  Manfred Sauerwald

    IPC分类号： B01J29/04 ,  C07B61/00 ,  C07C43/13 ,  C07C47/198 ,  C07D319/06 ,  C07D319/08 ,  C07D319/12 ,  C07D321/08 ,  C07D321/10 ,  C07D321/12 ,  C07D335/02 ,  C07D495/10 ,  C07D521/00

    CPC分类号： C07D495/10 ,  C07C43/13 ,  C07D319/06 ,  C07D319/12 ,  C07D321/08 ,  C07D321/12 ,  Y02P20/582

    摘要： Cyclic 6-membered to 8-membered 1,2-vinylenedioxy compounds of the general formula I ##STR1## where A is ##STR2## R.sup.1 to R.sup.7 independently of one another are each hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.2 -C.sub.16 -alkoxyalkyl, C.sub.2 -C.sub.8 -alkenyl, C.sub.2 -C.sub.8 -alkynyl, C.sub.5 -C.sub.8 -cycloalkyl, aryl, C.sub.7 -C.sub.10 -alkylphenyl, C.sub.7 -C.sub.10 -phenalkyl, C.sub.8 -C.sub.10 -phenalkenyl or a heterocyclic structure, or R.sup.2 and R.sup.3, R.sup.2 and R.sup.4, R.sup.3 and R.sup.4, R.sup.2 and R.sup.6, R.sup.3 and R.sup.6, R.sup.4 and R.sup.5 or R.sup.6 and R.sup.7 together form a cycloaliphatic or heterocyclic ring, and R.sup.1 to R.sup.7 may furthermore carry substituents which are inert under the reaction conditions, and n is 0 or 1, are prepared by a process in which a cyclic 2-oxymethyl-1,3-dioxa compound or one of its derivatives of the general formula II ##STR3## where R.sup.1 to R.sup.7, A and n have the abovementioned meanings, and R.sup.8 is hydrogen or C.sub.1 -C.sub.12 -alkyl, is converted in the presence of an acidic catalyst at from 150.degree. to 450.degree. C. and under from 0.001 to 50 bar, some of the compounds obtained being novel.

    摘要翻译： 其中A为彼此独立的通式I（I）的环状6元至8元1,2-亚乙烯基二氧基化合物各自为氢，C 1 -C 8 - 烷基，C 2 -C 18 - C16 - 烷氧基烷基，C2-C8-烯基，C2-C8-炔基，C5-C8-环烷基，芳基，C7-C10-烷基苯基，C7-C10-苯基烷基，C8-C10-苯基烯基或杂环结构，或R2和R3 ，R 2和R 4，R 3和R 4，R 2和R 6，R 3和R 6，R 4和R 5或R 6和R 7共同形成脂环族或杂环，并且R 1至R 7还可以具有在反应条件下为惰性的取代基，n为 0或1的化合物通过其中R 1至R 7，A和n具有上述通式II的环状2-氧甲基-1,3-二氧杂化合物或其衍生物之一的方法制备 意义，R8是氢或C1-C12烷基，在酸性催化剂存在下，在150-450℃下，在0.001至50巴下进行转化，得到的一些化合物是新的。

    Conversion of 1,3-dioxanes to 4-oxaaldehydes
    4.
    发明授权
    Conversion of 1,3-dioxanes to 4-oxaaldehydes 失效
    1,3-二恶烷转化为4-氧杂醛

    公开(公告)号：US5012005A

    公开(公告)日：1991-04-30

    申请号：US385925

    申请日：1989-07-27

    申请人： Wolfgang Hoelderich ,  Franz Merger

    发明人： Wolfgang Hoelderich ,  Franz Merger

    IPC分类号： C07C45/60 ,  C07C47/198 ,  C07C47/277 ,  C07D335/02

    CPC分类号： C07C47/277 ,  C07C45/60 ,  C07C47/198 ,  C07D335/02

    摘要： 4-oxaaldehydes of the formula ##STR1## are prepared by catalytic isomerization of 1,3-dioxanes by a process in which a 1,3-dioxane of the formula ##STR2## where R.sup.1, R.sup.2, R.sup.4 and R.sup.5 are identical or different and are each hydrogen, a straight-chain or branched alkyl, alkenyl or alkynyl radical of not more than 18 carbon atoms, a cycloalkyl or cycloalkenyl radical of 5 to 8 carbon atoms, an aryl, alkylaryl, aralkyl, aralkenyl or alkenylaryl radical of 5 to 16 carbon atoms or a heterocyclic radical and furthermore R.sup.1 and R.sup.2 and/or R.sup.4 and R.sup.5 together with the carbon atoms to which they are bonded may form a cycloalkane, a cycloalkene or a heterocyclic structure, and the stated radicals may furthermore carry substituents which are inert under the reaction conditions, and R.sup.3 is hydrogen or straight-chain or branched alkyl, is isomerized using a metal oxide catalyst, which has been treated with an acid, and/or a silica phase having a zeolite structure.

    摘要翻译： 通过其中R1，R2，R4和R5是相同或不同的式“IMAGE”的1,3-二恶烷的方法，通过1,3-二恶烷的催化异构化制备式“IMAGE”的4-氧代醛， 各自为氢，不超过18个碳原子的直链或支链烷基，烯基或炔基，5至8个碳原子的环烷基或环烯基，芳基，烷基芳基，芳烷基，芳烯基或链烯基芳基，其5至 16个碳原子或杂环基团，此外，R 1和R 2和/或R 4和R 5与它们所键合的碳原子一起可以形成环烷烃，环烯烃或杂环结构，并且所述基团还可以具有取代基， 使用已用酸处理的金属氧化物催化剂和/或具有沸石结构的二氧化硅相异构化在反应条件下惰性的R 3为氢或直链或支链烷基。