1: N-(2-bromopyridin-3-yl)trimethylacetamide With n-butyllithium in tetrahydrofuran T=-78°C; 1 h; 2: N-Methoxy-N-methyl-benzamide in tetrahydrofuran T=-78 - 20°C; 3: With hydrogenchloride in methanol; water T=100°C; 16 h;

hydrogenchloride; water T=100°C; 2 h;