1: 2,6-dimethoxy phenol With AlCl3, aluminium chloride in carbon disulfide T=20°C; Friedel-Crafts acylation; 2: propionyl chloride in carbon disulfide T=0°C; Friedel-Crafts acylation; 12 h; 3: With hydrogenchloride in water pH=1; Cooling with ice;
1: 2,6-dimethoxy phenol With AlCl3, aluminium chloride in carbon disulfide T=20°C; Friedel-Crafts acylation; 2: propionyl chloride in carbon disulfide T=20°C; Friedel-Crafts acylation; 12 h; 3: With hydrogenchloride in water pH=1; Cooling with ice;