利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

22 条记录 (耗时 0.015 秒)

    Process for preparation of propionic acid derivatives
    6.
    发明授权
    Process for preparation of propionic acid derivatives 有权
    丙酸衍生物的制备方法

    公开(公告)号：US06175018B1

    公开(公告)日：2001-01-16

    申请号：US09270925

    申请日：1999-03-16

    申请人： Gottfried Seifert ,  Andrea Rolf Sting ,  Bernhard Urwyler

    发明人： Gottfried Seifert ,  Andrea Rolf Sting ,  Bernhard Urwyler

    IPC分类号： C07D21364

    CPC分类号： C07D213/643

    摘要： (R)(+)-2-[4-(5-chloro 3-fluoropyridin-2-yloxy)-phenoxy]-propionic acid propinyl ester is produced by converting a compound of formula II in an inert organic solvent, without isolation of the intermediate products, with M2CO3, in which M is sodium or potassium, into the compound of formula III reacting this with the compound of formula IV to form the compound of formula V and converting this with a compound of formula VI wherein Z signifies phenylsulphonyl, tosyl, methylsulphonyl, nosyl, bromophenyl, Cl-, Br- or CICO-, into the compound of formula I.

    摘要翻译： （R）（+） - 2- [4-（5-氯-3-氟吡啶-2-基氧基） - 苯氧基] - 丙酸丙酯通过在惰性有机溶剂中转化式II化合物而不分离 中间产物，其中M为钠或钾的M 2 C 3与式IV化合物反应，形成式V化合物，并与式VI化合物反应，其中Z表示苯基磺酰基，甲苯磺酰基，甲基磺酰基， ，溴苯基，Cl-，Br-或CICO-转化成式I的化合物。

    Method of producing nitroguanidine- and nitroenamine derivatives
    7.
    发明授权
    Method of producing nitroguanidine- and nitroenamine derivatives 有权
    制备硝基胍和硝基胺衍生物的方法

    公开(公告)号：US06747146B2

    公开(公告)日：2004-06-08

    申请号：US10325559

    申请日：2002-12-20

    申请人： Gottfried Seifert ,  Thomas Rapold ,  Verena Gisin

    发明人： Gottfried Seifert ,  Thomas Rapold ,  Verena Gisin

    IPC分类号： C07D27304

    CPC分类号： C07D213/40 ,  C07C257/22 ,  C07C261/00 ,  C07C277/08 ,  C07D213/38 ,  C07D277/28 ,  C07D307/14 ,  C07D401/06 ,  C07D417/06 ,  C07C279/36

    摘要： Method of producing compounds of formula wherein R1 is hydrogen or C1-C4-alkyl; R2 is hydrogen, C1-C8-alkyl, C3-C6-cycloalkyl, or a radical —N(R3)R4; or R2 and R6 together are —CH2—CH2—S—; R3 and R4 are hydrogen, C1-C4-alkyl, C3-C6-cycloalkyl or a radical —CH2B; R6 is hydrogen, C1-C8-alkyl, aryl or benzyl; or R3 and R6 together are —CH2—CH2—, —CH2—CH2—CH2—, —CH2—O—CH2—, —CH2—S—CH2— or —CH2—N(R5)—CH2—; X is CH—CN; CH—NO2 or N—NO2; A is an optionally substituted, aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical; and B is optionally substituted phenyl, 3-pyridyl or thiazolyl; characterised in that a compound of formula wherein R2, R6 and X have the same significance as given above in formula (I), is reacted in the presence of a phase transfer catalyst and a base with a compound of formula wherein A and R1 have the same significance as given above in formula (I) and Q is a leaving group.

    摘要翻译： 制备糠醛的化合物的方法是氢或C 1 -C 4烷基; R 2是氢，C 1 -C 8烷基，C 3 -C 6环烷基或-N（R 3）R 4基团; 或R 2和R 6一起是-CH 2 -CH 2 -S-; R 3和R 4是氢，C 1 -C 4 - 烷基，C 3 -C 6环烷基或基团-CH 2 B; R 6是氢，C 1 -C 8 - 烷基，芳基或苄基 ;或R 3和R 6一起是-CH 2 -CH 2 - ， - CH 2 -CH 2 - ， - CH 2 -O-CH 2 - ， - CH 2 -S-CH 2 - 或-CH 2 -N（R 5）-CH 2 - ; X是 CH-CN; CH-NO 2或N-NO 2; A是任选取代的芳族或非芳族单环或双环杂环基; 和B是任选取代的苯基，3-吡啶基或噻唑基;其特征在于，式（I）化合物与式（I）中所给出的具有相同意义的化合物在相转移催化剂和碱的存在下反应 与式（I）中的上述式相同，Q为离去基团。

    Process for the preparation of thiazole derivatives
    8.
    发明授权
    Process for the preparation of thiazole derivatives 失效
    噻唑衍生物的制备方法

    公开(公告)号：US06677457B2

    公开(公告)日：2004-01-13

    申请号：US10047807

    申请日：2002-01-15

    申请人： Thomas Pitterna ,  Henry Szczepanski ,  Peter Maienfisch ,  Ottmar Franz Hüter ,  Thomas Rapold ,  Marcel Senn ,  Thomas Göbel ,  Anthony Cornelius O'Sullivan ,  Gottfried Seifert

    发明人： Thomas Pitterna ,  Henry Szczepanski ,  Peter Maienfisch ,  Ottmar Franz Hüter ,  Thomas Rapold ,  Marcel Senn ,  Thomas Göbel ,  Anthony Cornelius O'Sullivan ,  Gottfried Seifert

    IPC分类号： C07D27716

    CPC分类号： C07D277/32 ,  C07D277/16 ,  C07D277/36 ,  C07D417/06

    摘要： The invention relates to a process for the preparation of a compound of the formula wherein Q, Y, Z, R1, R2, R3, R4 and R5 are as defined in the specification, which comprises a) reacting a compound of the formula  with a halogenating agent to form a compound of the formula or b) converting a compound of formula (II) by means of a halogenating agent into a compound of the formula optionally c) converting the compound of formula (IV) into a compound of formula (III); d) converting a compound of formula (III) by means of a compound of the formula into a compound of the formula or e) converting a compound (IV) by means of a compound (V) into a compound (VI); and f) converting a compound (VI) by means of a chlorinating agent into a compound (I); a compound (IV); to a process for the preparation of a compound (III) and to a process for the preparation of a compound (IV).

    摘要翻译： 本发明涉及制备糠醛的化合物的方法，其中Q，Y，Z，R 1，R 2，R 3，R 4和R 5如本说明书中所定义，其包括：a）将卤化剂的化合物与 将式（II）化合物通过卤化剂转化成式（Ⅲ）的化合物，将式（Ⅳ）化合物转化为式（Ⅳ）化合物; d）将化合物 通过化学式（Ⅳ）将化合物（Ⅳ）转化为化合物（Ⅵ）;将式（Ⅳ）化合物与式 和（f）通过氯化剂将化合物（VI）转化为化合物（I）;化合物（IV）; 涉及制备化合物（III）的方法和制备化合物（IV）的方法。

    Process for the preparation of aniline compounds
    9.
    发明授权
    Process for the preparation of aniline compounds 有权
    苯胺化合物的制备方法

    公开(公告)号：US06657085B2

    公开(公告)日：2003-12-02

    申请号：US10276474

    申请日：2002-11-15

    申请人： Gottfried Seifert ,  Thomas Rapold

    发明人： Gottfried Seifert ,  Thomas Rapold

    IPC分类号： C07C20936

    CPC分类号： C07D307/88 ,  A01N43/80 ,  C07C209/36 ,  C07C209/365 ,  C07C211/45

    摘要： A process for the preparation of aniline compounds of formula: wherein n and R are as defined in claim 1, by reacting nitro compounds of formula: wherein n and R are as defined, with hydrazine at elevated temperature in the presence of an aqueous base. The compounds of formula I are suitable as intermediates in the preparation of herbicides of the isobenzofuranone type.

    摘要翻译： 其中n和R如权利要求1中所定义，其中n和R如权利要求1所定义，其方法是在碱水溶液存在下，在升高的温度下，使下式的硝基化合物：其中n和R如上定义。 式I化合物适合作为制备异苯并呋喃酮类除草剂的中间体。

    Process for the preparation of 1-aminoanthraquinones
    10.
    发明授权
    Process for the preparation of 1-aminoanthraquinones 失效
    1-氨基蒽醌的制备方法

    公开(公告)号：US4770818A

    公开(公告)日：1988-09-13

    申请号：US110162

    申请日：1987-10-19

    申请人： Eric Plattner ,  Gottfried Seifert ,  Tibor Somlo

    发明人： Eric Plattner ,  Gottfried Seifert ,  Tibor Somlo

    IPC分类号： C09B1/22 ,  C09B1/20 ,  C07C97/24

    CPC分类号： C09B1/201

    摘要： There is disclosed a process for the preparation of 1-aminoanthraquinones from 5-nitro-1,4,4a,9a-tetrahydroanthraquinones with a basic reducing agent, which process is carried out under pressure in the temperature range above 100.degree. C. and in an aqueous-organic medium. The process affords very pure 1-aminoanthraquinone, which is, inter alia, an important intermediate.

    摘要翻译： 公开了用碱还原剂从5-硝基-1,4,4a，9a-四氢蒽醌制备1-氨基蒽醌的方法，该方法在压力下在100℃以上的温度下进行， 水 - 有机介质。 该方法提供非常纯的1-氨基蒽醌，其特别是重要的中间体。