1: {6-[2-tert-butyl-5-(4-fluoro-phenyl)-3H-imidazol-4-yl]-3-nitro-pyridin-2-yl}-(2,2-dimethyl-propyl)-amine With hydrogen; palladium 10 on activated carbon in ethanol 2: bromocyane in ethanol; water T=20°C; 3: With sodium hydrogencarbonate in ethanol; water Saturated solution; Product distribution / selectivity;