oxalyl dichloride; N,N-dimethyl-formamide

<b>Multi-step reaction with 2 steps<br /> </b>1: AlCl₃ / CH₂Cl₂ / Heating<br />2: aq. HCl / acetic acid / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 2 steps<br /> </b>1: 95 percent / thionyl chloride<br /> <br /> &nbsp;