trifluoroacetic acid 2 h; Ambient temperature;

Multi-step reaction with 4 steps 1: 99.3 percent / NH4Cl / aq. NH3 / 50 h / 37 °C / enzymatic hydrolysis with Pseudomonas putida at pH 92: 1.) NaNO2, 2N H2SO4; 2.) KBr, NaNO2, 3N H2SO4 / 1.) 50percent CH3COOH, r.t., 24 h; 2.) 50percent CH3COOH, 0-5 deg C, 1 h3: 95 percent / SOCl2 / 24 h / Ambient temperature4: H2O; nitromethane / 72 h / 50 °C / examined various solvent-base systems  

Multi-step reaction with 2 steps 1: 95 percent / SOCl2 / 24 h / Ambient temperature2: H2O; nitromethane / 72 h / 50 °C / examined various solvent-base systems  

Multi-step reaction with 3 steps 1: 1.) NaNO2, 2N H2SO4; 2.) KBr, NaNO2, 3N H2SO4 / 1.) 50percent CH3COOH, r.t., 24 h; 2.) 50percent CH3COOH, 0-5 deg C, 1 h2: 95 percent / SOCl2 / 24 h / Ambient temperature3: H2O; nitromethane / 72 h / 50 °C / examined various solvent-base systems