公开(公告)号：WO2018141642A1

公开(公告)日：2018-08-09

申请号：PCT/EP2018/051928

申请日：2018-01-26

Applicant: BASF AGRO B.V.

Inventor： YERANDE, Swapnil ,  KAPSE, Prashant ,  NARAYANAN, Sukunath ,  GOETZ, Roland ,  KORADIN, Christopher

IPC: C07C201/08 ,  C07C205/12

CPC classification number: C07C201/08 ,  C07C205/12

Abstract: The present invention relates to an improved process for the preparation of 2-chloro-4-fluoro-5-nitrobenzotrichloride. The present invention further relates to a process for the purification of 2-chloro-4-fluoro-5-nitrobenzotrichloride, which reduces the isomeric impurities and acidic by-products.