知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

16 条记录 (耗时 0.026 秒)

    PROCESS FOR THE PRODUCTION OF AMIDES
    3.
    发明申请
    PROCESS FOR THE PRODUCTION OF AMIDES 有权
    生产助剂的方法

    公开(公告)号：US20130253225A1

    公开(公告)日：2013-09-26

    申请号：US13889041

    申请日：2013-05-07

    申请人： Syngenta Limited ,  Syngenta Crop Protection, LLC

    发明人： Hans Tobler ,  Harald Walter ,  Josef Ehrenfreund ,  Camilla Corsi ,  Fanny Giordano ,  Martin Zeller ,  Gottfried Seifert ,  Shailesh Shah ,  Neil George ,  Ian Jones ,  Paul Bonnett

    IPC分类号： C07C211/61 ,  C07C209/32 ,  C07C205/06

    CPC分类号： C07C211/61 ,  A01N43/56 ,  C07C205/06 ,  C07C209/325 ,  C07C209/70 ,  C07C2603/66 ,  C07D231/14

    摘要： The present invention relates to a process for the preparation of compounds of formula I wherein R1 and R2 are each independently of the other hydrogen or C1-C5alkyl and R3 is CF3 or CF2H, by a) reaction of a compound of formula II wherein R1 and R2 are as defined for formula I, with at least one reducing agent to form a compound of formula III wherein R1 and R2 are as defined for formula I, and b) reaction of that compound with at least one reducing agent to form a compound of formula IV wherein R1 and R2 are as defined for formula I, and (c) reaction of that compound with a compound of formula V wherein Q is chlorine, fluorine, bromine, iodine, hydroxy or C1-C6alkoxy and R3 is as defined for formula I, to form the compound of formula I; and to novel intermediates for use in that process.

    摘要翻译： 本发明涉及一种制备式Ⅰ化合物的方法，其中R1和R2分别独立地为氢或C1-C5烷基，R3为CF3或CF2H，通过a）式II化合物的反应其中R 1和 R 2如式I所定义，与至少一种还原剂形成式III化合物，其中R 1和R 2如式I所定义，和b）该化合物与至少一种还原剂的反应形成式 式IV其中R1和R2如式I所定义，和（c）该化合物与式V化合物的反应，其中Q是氯，氟，溴，碘，羟基或C 1 -C 6烷氧基，R 3如式 I，形成式I化合物; 以及用于该过程的新型中间体。

    PROCESS FOR THE PREPARATION OF BENZONORBORNENES
    10.
    发明申请
    PROCESS FOR THE PREPARATION OF BENZONORBORNENES 有权
    制备苯并噻唑的方法

    公开(公告)号：US20150141712A1

    公开(公告)日：2015-05-21

    申请号：US14603857

    申请日：2015-01-23

    申请人： Syngenta Participations AG ,  Syngenta Crop Protection LLC

    发明人： Denis Gribkov ,  Bjorn Antelmann ,  Fanny Giordano ,  Harald Walter ,  Alain De Mesmaeker

    IPC分类号： C07C17/32 ,  C07C205/12

    CPC分类号： C07C17/32 ,  C07C17/23 ,  C07C17/26 ,  C07C17/266 ,  C07C22/02 ,  C07C22/04 ,  C07C201/12 ,  C07C205/06 ,  C07C205/11 ,  C07C205/12 ,  C07C209/365 ,  C07C2601/10 ,  C07C2603/66 ,  C07C211/61

    摘要： The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula I1, wherein X is chloro, b) reacting the compound of formula I1 with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.

    摘要翻译： 本发明涉及一种制备9-二氯亚甲基-1,2,3,4-四氢-1,4-亚甲基 - 萘-5-基胺的新方法，该方法包括：a）使环戊二烯在 自由基引发剂和其中X是氯或溴的CXCl 3，或aa）在金属催化剂存在下将环戊二烯与CXCl 3（其中X是氯）与式II化合物反应，其中X是氯 b）使式I1化合物与碱在适当的溶剂存在下反应，得到式III化合物，c）并在1,2-脱氢-6-硝基苯存在下将式III化合物转化为 式Ⅳ化合物，和d）在金属催化剂存在下氢化式Ⅳ化合物。