Method for preparation of 6-trifluoromethylpyridine-3-carboxylic acid derivatives from 4,4,4-trifluoro-3-aminobutanoates
申请人:Lonza Ltd
公开号:EP2821398A1
公开(公告)日:2015-01-07
The invention discloses a method for the preparation of substituted 6-trifluoromethylpyridine-3-carboxylic acid derivatives starting from 4,4,4-trifluoro-3-aminobutanoates and proceeding via enamines and dihydropyridinones.
该发明公开了一种从4,4,4-三氟-3-氨基丁酸酯出发,经烯胺和二氢吡啶酮制备取代的6-三氟甲基吡啶-3-羧酸衍生物的方法。