1: 180 °C 2: methanol. KOH 3: cyclohexanone; aluminium isopropylate; toluene 4: KOH View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: CrO₃; acetic acid<br />2: pyridine<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: aqueous methanol. Na₂CO₃ <br />2: CrO₃; acetic acid<br />3: pyridine<br /> <br /> &nbsp;

<b>With</b>&nbsp; <a href="#" onclick="return RXDsubstances(event, this, '103233', constants.ctx, '0')">pyridine</a> <br /> <br /> &nbsp;