hydrogenchloride in tetrahydrofuran; methanol

1: With sodium hydrogencarbonate in tetrahydrofuran; water T=20 - 80°C; 20 h; 2: With lithium aluminium tetrahydride in tetrahydrofuran T=20°C; 2 h; 3: With water; sodium hydrogencarbonate in tetrahydrofuran

potassium carbonate in dimethyl sulfoxide T=80°C;