sodium hydroxide in water; toluene T=20°C; 0.416667 - 0.666667 h;

1.5 h; Reflux;

hydrogenchloride in methanol 2 h; Heating;

hydrogenchloride; formaldehyd; ethanol

1: With n-butyllithium; diisopropylamine in tetrahydrofuran T=-20°C; 0.25 h; Nitrogen atmosphere; 2: 6-bromo-2-methoxy-3-(phenylmethyl)-quinoline in tetrahydrofuran T=-70°C; 0.5 h; 3: 1-(α-naphthyl)-3-(N,N-dimethylamino)-1-propanone With water more than 3 stages;