1: With tetrabutylammomium bromide; acetic anhydride; isopentyl nitrite in ethyl acetate 7 h; Heating / reflux; 2: With sodium hydroxide in methanol; water T=20°C; 1 h;

1: 3-hydroxy-2-methylnitrobenzene With palladium 10 on activated carbon in methanol T=20°C; P=760.051 Torr; 2: acetic anhydride With pyridine in ethyl acetate 2 h; Heating / reflux;