A Solemn Announcement For the 3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid (DFPA) process

Date：May. 14, 2024

Bayer AG is the patent owner of the process of ethyl 3-(difluoromethyl)-1-methylpyrazole-4-carboxylate (DFMPE) using 2,2-difluoroacetyl halide and ethyl 3-(N,N-...