Stereoselective metal-free catalytic synthesis of chiral trifluoromethyl aryl and alkyl amines

The enantioselective organocatalytic reduction of trifluoromethyl aryl and alkyl ketoimines afforded the corresponding fluorinated amines with high chemical and stereochemical efficiency. The Lewis base catalyzed reaction with trichlorosilane led to chiral products with a trifluoromethyl group directly linked to the newly generated stereo-center typically in >90% yield and up to 98% e.e