-
公开(公告)号：EP4311828A1
公开(公告)日：2024-01-31
申请号：EP22186856.5
申请日：2022-07-26
发明人： Rack, Michael , Xie, Enrique , Dang, Weijie , Li, Dave , Yi, Kaiqiang , Kaduskar, Rahul , Gockel, Birgit , Shinde, Harish , Goetz, Roland , Knoll, Daniel Maximilian
IPC分类号： C07D213/61 , C07D213/73
摘要： The present invention relates to a process for the chlorination of 3-halopyridine with molecular chlorine in the presence of water under UV light irradiation in the vapor phase. The present invention further relates to a multi-step process for producing 5-chloro-3,6-difluoropyridin-2-amine.
-
公开(公告)号：EP3974417A1
公开(公告)日：2022-03-30
申请号：EP20198841.7
申请日：2020-09-29
申请人： BASF SE
发明人： Koradin, Christopher , Shinde, Harish , McLaughlin, Martin John , Kaduskar, Rahul , Staehle, Philipp , Goetz, Roland , Khamkar, Sunil
IPC分类号： C07D277/32
摘要： The present invention relates to a process for the preparation 2-chloro-1-(2-chlorothiazol-5-yl)ethanone.
-
3.发明公开
公开(公告)号：EP4293014A1
公开(公告)日：2023-12-20
申请号：EP22179089.2
申请日：2022-06-15
申请人： BASF SE
发明人： Rack, Michael , Kaduskar, Rahul , Gockel, Birgit , Knoll, Daniel Maximilian , Goetz, Roland , Shinde, Harish
IPC分类号： C07D213/61 , C07B39/00 , C07D213/73
摘要： The present invention relates to a process for the chlorination of halogenated pyridines with molecular chlorine in the presence of water under UV light irradiation in the vapor phase. The present invention further relates to a multi-step process for producing 5-chloro-3,6-difluoro-pyridin-2-amine and to the novel intermediate compounds 2,3-dichloro-5,6-difluoropyridine and 2,5-dichloro-3,6-difluoro-pyridine, which can be obtained by the process of the present invention starting form 5-chloro-2,3-difluoropyridine and 3-chloro-2,5-difluoro-pyridine.
-
-
搜索结果
3 条记录 (耗时 0.01 秒)
