1: 2-methoxy-3-naphthoic acid With triethylamine in toluene T=20°C; 0.25 h; 2: With diphenyl phosphoryl azide in toluene T=20 - 80°C; 2 h; 3: benzyl alcohol in toluene T=20 - 80°C;

hydrogen; palladium 10 on activated carbon in ethyl acetate T=20°C;