potassium carbonate in butanone 2 h; Heating;

1: 88 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / ethyl acetate / 5 h / Heating 2: 90 percent / Jones' reagent / acetone / 24 h / Ambient temperature 3: 97 percent / 6 N HCl / acetic acid / 0.5 h / Heating 4: 98 percent / K2CO3 / butan-2-one / 2 h / Heating View Scheme

1: 90 percent / Jones' reagent / acetone / 24 h / Ambient temperature 2: 97 percent / 6 N HCl / acetic acid / 0.5 h / Heating 3: 98 percent / K2CO3 / butan-2-one / 2 h / Heating View Scheme

1: 97 percent / 6 N HCl / acetic acid / 0.5 h / Heating 2: 98 percent / K2CO3 / butan-2-one / 2 h / Heating View Scheme

1: 80 percent / 80 percent H2SO4 / 1 h / 0 °C 2: 88 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene / ethyl acetate / 5 h / Heating 3: 90 percent / Jones' reagent / acetone / 24 h / Ambient temperature 4: 97 percent / 6 N HCl / acetic acid / 0.5 h / Heating 5: 98 percent / K2CO3 / butan-2-one / 2 h / Heating View Scheme