1: With bisphenyl-(pyridin-2-yl)phosphine; di-tert-butylazodicarboxylate in tetrahydrofuran T=20°C; 22 h; 2: With hydrogenchloride in tetrahydrofuran; diethyl ether T=20°C; 2 h; 3: With hydrogenchloride in diethyl ether; water 2 h;

potassium carbonate in acetone

in ammonia T=-70°C; 0.166667 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

in ammonia T=-70°C; 0.166667 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;