1: sodium ethoxide / benzene / 6 h / Heating 2: 72 percent / ethanol / 24 h / Heating 3: 62 percent / LiI*3H2O / dimethylformamide / 72 h / Heating View Scheme

<b>Multi-step reaction with 2 steps<br /> </b>1: NBS, benzoyl peroxide / CCl₄ / Heating<br />2: Et₃N / diethyl ether / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: HCl / Heating<br />2: NBS, benzoyl peroxide / CCl₄ / Heating<br />3: Et₃N / diethyl ether / Heating<br /> <br /> &nbsp;