1: in tetrahydrofuran T=0°C; 2 h; 2: With water; ammonium chloride in tetrahydrofuran T=0°C;

1: 3-(4-Isopropylphenyl)propionic acid With 1,1'-carbonyldiimidazole in dichloromethane T=5°C; 1 h; 2: O,N-dimethyl-hydroxylamine hydrochloride in dichloromethane T=5 - 20°C;