hydrogenchloride; n-butyllithium

n-butyllithium; N,N,N',N,-tetramethylethylenediamine in diethyl ether; hexane 1.) room temperature, 4 h, 2.) -5 deg C, 1 h;

1: 2,2-dimethyl-N-(4-trifluoromethylphenyl)propanamide With n-butyllithium in tetrahydrofuran T=0°C; 3 h; 2: carbon dioxide in tetrahydrofuran T=0 - 20°C; 3: methanol With hydrogenchloride; sodium hydrogencarbonate more than 3 stages;