1: N-{bis[3,5-bis(trifluoromethyl)phenyl]methylidene}(4-methoxyaniline) With hydrogenchloride in water; acetone T=25°C; Hydrolysis; 0.5 h; 2: benzoyl chloride With triethylamine in water; acetone T=25°C; Acylation; 0.5 h;