trifluoromethyl amino ketone; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine 1 h; Ambient temperature;

T=295°C; P=30 Torr;

1,4-dioxane; lithium aluminium tetrahydride; diethyl ether

1: With dimethylsulfide borane complex in toluene 4 h; Heating / reflux; 2: With methanol in toluene 1 h; Heating / reflux; 3: With hydrogenchloride in methanol; diethyl ether; toluene T=20°C;