triethylamine in dichloromethane T=0 - 20°C; 0.5 h;

1: 4-Methylpyridine With n-butyllithium; diisopropylamine in tetrahydrofuran; hexane T=-78 - 0°C; 0.833333 h; 2: N-methoxy-N-methyl-3-trifluoromethylbenzamide in tetrahydrofuran; hexane T=0 - 20°C; 0.5 h; 3: With water in tetrahydrofuran; hexane; ethyl acetate 0.5 h;