potassium carbonate in acetone 10 h; Heating;

1: 92 percent / 7percent aq. NH3 / tetrahydrofuran / 190 °C 2: 100 percent / K2CO3 / acetone / Heating View Scheme

1: 65 percent / CuCl2 * 2 H2O / dioxane; H2O / 1.5 h / 70 - 80 °C 2: H2 / 10percent Pd/C / tetrahydrofuran / 0.83 h / Ambient temperature View Scheme