The present invention relates to a process for the enantioselective preparation of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid ((1S,4R)-9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-yl)-amide of formula Ib.
本发明涉及一种对
3-二氟甲基-1-甲基-1H-吡唑-4-
羧酸((1S,4R)-9-二
氯甲基-1,2,3,4-四氢-1,4-甲基-
萘-5-基)-酰胺(Ib式)进行对映选择性制备的方法。