1: 81 percent / potassium t-butoxide / 2-methyl-propan-2-ol / 0.25 h / 45 °C 2: 0.4 g / n-butylmagnesium bromide / tetrahydrofuran / Ambient temperature View Scheme

1: 81 percent / potassium t-butoxide / 2-methyl-propan-2-ol / 0.25 h / 45 °C 2: 79 percent / ammonium molybdate, 30percent hydrogen peroxide / methanol; H2O / Ambient temperature; overnight 3: 100 percent / sodium methoxide / methanol / 0.17 h / 25 °C View Scheme

1: 81 percent / potassium t-butoxide / 2-methyl-propan-2-ol / 0.25 h / 45 °C 2: 79 percent / ammonium molybdate, 30percent hydrogen peroxide / methanol; H2O / Ambient temperature; overnight View Scheme