1: in methanol T=20°C; 6 h; 2: With potassium phosphate; copper(l) iodide; ethylene glycol in N,N-dimethyl-formamide T=75°C; 4 h; Further stages.;

1: methyl α-formyl(o-bromophenyl)acetate; benzylamine in methanol T=20°C; 6 h; 2: isopropyl alcohol With potassium phosphate; copper(l) iodide; ethylene glycol T=75°C; 6 h; Further stages.;