1: With sodium in tetrahydrofuran T=20°C; 6 h; Inert atmosphere; 2: With water in tetrahydrofuran T=0 - 20°C; Inert atmosphere; regioselective reaction;
1: With potassium in tetrahydrofuran T=20°C; 24 h; Inert atmosphere; 2: With water in tetrahydrofuran T=0 - 20°C; Inert atmosphere; regioselective reaction;
