potassium iodide T=270 - 375°C;

<b>Multi-step reaction with 2 steps<br /> </b>1: aq. KMnO₄ / acetone<br />2: SOCl₂, KOH<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: Zn, Ac₂O / acetic acid<br />2: aq. KMnO₄ / acetone<br />3: SOCl₂, KOH<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '11342937', constants.ctx, '0')">potassium hydroxide</a>;&nbsp;<a href="#" onclick="return RXDsubstances(event, this, '1209273', constants.ctx, '0')">thionyl chloride</a> <br /> <br /> &nbsp;