公开(公告)号：US20230203013A1

公开(公告)日：2023-06-29

申请号：US17926535

申请日：2021-05-26

Applicant: VETOQUINOL SA

Inventor： Franz-Josef MAIS ,  Werner LINDNER ,  Britta OLENIK ,  Birgit KEIL ,  Hildegard SCHEITHAUER

IPC: C07D403/04 ,  B01J27/185

CPC classification number: C07D403/04 ,  B01J27/1856 ,  C07B2200/13

Abstract: The present invention relates to a method for preparing 2-chloro-N-(1-cyanocyclopropyl)-5-[2′-methyl-5′-(pentafluoroethyl)-4′-(trifluoromethyl)-2′H-1,3′-bipyrazol-4-yl]benzamide, i.e. the compound of the formula (I) and to a method for purifying the compound of the formula I. The present invention additionally relates to new crystal forms of the compound of the formula I.