1: 4-amino-2-trifluoromethylbenzaldehyde With hydrogenchloride in water; ethyl acetate; toluene T=20 - 25°C; 0.0833333 h; 2: 1-methyl-piperazine With pyridinium p-toluenesulfonate in ethyl acetate T=76 - 78°C; 3: With sodium tris(acetoxy)borohydride in ethyl acetate

diisobutylaluminium hydride in tetrahydrofuran; toluene 0.0833333 h; Inert atmosphereLarge scale;

1: 4-amino-2-trifluoromethylbenzaldehyde With hydrogenchloride in water; ethyl acetate; toluene T=20 - 25°C; 0.0833333 h; Large scale; 2: N-ethyl-piperazine With pyridinium p-toluenesulfonate in ethyl acetate T=76 - 78°C; Large scale; 3: With sodium tris(acetoxy)borohydride in ethyl acetate Large scale;