1: 60 percent / pyridine / ethanol / 6 h / Heating 2: 83 percent / pyrrolidine / ethanol / 1 h / Heating View Scheme

palladium 10 on activated carbon; hydrogen; triethylamine in ethyl acetate T=20°C; 12 h;

1: 3-bromo-2-oxopropionic acid ethyl ester With pyridine in ethanol T=60 - 70°C; 1 h; 2: 2-amino-benzaldehyde With pyridine in ethanol 5 h; Heating; 3: With pyrrolidine in ethanol 2 h; Heating; Further stages.;

pyrrolidine in ethanol 1 h; Heating;