abstract |
Patent specification: "Process for the stereoselective preparation of a carboxamide pyrazole". (ib). The present invention relates to a process for the enantioselective preparation of ((1s, 4r) -9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methane-naphthalen-5-yl) - 3-Difluoromethyl-1-methyl-1h-pyrazol-4-carboxylic acid amide of formula ib. |