1: 3.25 g / aluminium isopropoxide / propan-2-ol / 6 h / Heating 2: 3.2 g / POCl3 / benzene / 2.5 h / Ambient temperature 3: 1.86 g / NaOH / methanol; H2O / 2 h / Heating 4: 1.6 g / Jones' reagent / acetone / 0.17 h / -10 °C 5: 0.96 g / diethyl ether 6: 0.28 g / AcOH-water-THF (60:25:15) / 8 h / Ambient temperature View Scheme

1: 3.25 g / aluminium isopropoxide / propan-2-ol / 6 h / Heating 2: 3.2 g / POCl3 / benzene / 2.5 h / Ambient temperature 3: 1.86 g / NaOH / methanol; H2O / 2 h / Heating 4: 1.6 g / Jones' reagent / acetone / 0.17 h / -10 °C 5: 0.96 g / diethyl ether View Scheme

With  aluminum isopropoxide in  isopropyl alcohol 6 h;  Heating;