PROCESS FOR THE PREPARATION OF BENZONORBORNENES
    9.
    发明授权
    PROCESS FOR THE PREPARATION OF BENZONORBORNENES 有权
    制备苯并恶唑的方法

    公开(公告)号:EP2349975B1

    公开(公告)日:2013-07-31

    申请号:EP09783484.0

    申请日:2009-09-28

    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 CXCI3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCI3, 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CXCI3,或aa)在金属催化剂存在下将环戊二烯与CXCl 3(其中X是氯)在式I化合物中反应,其中X是氯 b)使式I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。

    PROCESS FOR THE PREPARATION OF BENZONORBORNENES
    10.
    发明公开
    PROCESS FOR THE PREPARATION OF BENZONORBORNENES 有权
    制备苯并恶唑的方法

    公开(公告)号:EP2349975A1

    公开(公告)日:2011-08-03

    申请号:EP09783484.0

    申请日:2009-09-28

    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 CXCI3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCI3, 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CXCl 3(其中X是氯或溴)与式II化合物反应,或者aa)在金属催化剂存在下,使环戊二烯与其中X为氯的CXCl 3反应,得到式II化合物,其中X b)使式II化合物与碱在适当溶剂存在下与式III化合物,c)反应,并在1,2-脱氢-6-硝基苯存在下转化式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。