acetic anhydride 1 h; Heating;

acetic anhydride 1 h; Heating;

acetic anhydride 1 h; Heating;

<b>Multi-step reaction with 4 steps<br /> </b>1: aq. KOH / ethanol / Heating<br />2: 97 percent / dioxane / 2 h / Heating<br />3: 76 percent / aq. KOH / H₂O<br />4: 80 percent / 2 h / 25 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 5 steps<br /> </b>1: 94 percent / ethanol / 0.25 h / Heating<br />2: 2.) KOH / 1.) reflux, 6 h, 2.) ethanol, water, reflux, 30 min<br />3: 97 percent / dioxane / 2 h / Heating<br />4: 76 percent / aq. KOH / H₂O<br />5: 80 percent / 2 h / 25 &deg;C<br /> <br /> &nbsp;

<b>Multi-step reaction with 5 steps<br /> </b>1: 94 percent / ethanol / 0.25 h / Heating<br />2: 2.) KOH / 1.) reflux, 6 h, 2.) ethanol, water, reflux, 30 min<br />3: 97 percent / dioxane / 2 h / Heating<br />4: 76 percent / aq. KOH / H₂O<br />5: 80 percent / 2 h / 25 &deg;C<br /> <br /> &nbsp;