sulfuric acid in acetic acid T=0 - 20°C; 2 h;

1: With acetic acid; thiourea in ethanol 16 h; Heating / reflux; 2: With hydrogenchloride in ethanol 16 h; Heating / reflux; 3: With sodium carbonate in water; ethyl acetate

1: (3-{2-[(chloroacetyl)amino]-2-methylpropyl}phenyl)acetic acid With acetic acid; thiourea in ethanol 5 h; Heating / reflux; 2: ethanol With sulfuric acid in water T=20°C; 1 h;