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公开(公告)号:US09878970B1
公开(公告)日:2018-01-30
申请号:US15717327
申请日:2017-09-27
IPC分类号: C07C22/02 , C07C22/04 , C07C205/06 , C07C205/11 , C07C205/12 , C07C17/32 , C07C17/266 , C07C209/36 , C07C17/23 , C07C17/26 , C07C201/12
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.
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公开(公告)号:US20150141712A1
公开(公告)日:2015-05-21
申请号:US14603857
申请日:2015-01-23
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。
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