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公开(公告)号:US11111207B2
公开(公告)日:2021-09-07
申请号:US16086831
申请日:2017-03-17
IPC分类号: C07C209/74 , C07C37/62 , C07C45/63 , B01J21/06 , B01J21/08 , B01J21/12 , B01J23/28 , B01J23/30 , C07C231/12 , C07C39/27 , C07C47/55 , C07C211/52 , C07C237/30
摘要: The present invention disclosed an improved one pot, one step process for halogenation of compound of formula (II) to afford corresponding halogenated compound of formula (I) having improved yield and increased selectivity under very mild conditions.