1: pyridine-2-carbaldehyde With aluminum tribromide in dichloromethane T=0°C; Friedel-Crafts Alkylation; 0.5 h; Inert atmosphere; 2: 1,4-dimethoxy benzene in dichloromethane T=20°C; Friedel-Crafts Alkylation; 24 h; Inert atmosphere;

T=85°C; Condensation; 15 h;