pyridine in benzene 0.25 h; Heating; chemoselective reaction;

1: N-(4-Hydroxybenzyliden)-4-acetylanilin With sodium methylate; Merrifield resin in N,N-dimethyl-formamide 0.166667 h; microwave irradiation; 2: benzaldehyde With piperidine in N,N-dimethyl-formamide Claisen-Schmidt reaction; microwave irradiation; 3: With trifluoroacetic acid in dichloromethane T=20°C; 1.5 h;

pyridine in benzene T=20°C; Heating; chemoselective reaction;

pyridine in benzene 0.25 h; Heating;