lithium aluminium tetrahydride in tetrahydrofuran Heating;

<b>Multi-step reaction with 4 steps<br /> </b>1: 96 percent / p-toluenesulfonic acid / 1 h / Heating<br />2: 92 percent / Jones reagent / acetone<br />3: oxalyl chloride / 0.5 h / Ambient temperature<br />4: N-hydroxypyridine-2-thione sodium salt, 4-dimethylaminopyridine, bromotrichloromethane / CCl₄ / 0.25 h / Heating<br /> <br /> &nbsp;

<b>Multi-step reaction with 3 steps<br /> </b>1: 92 percent / Jones reagent / acetone<br />2: oxalyl chloride / 0.5 h / Ambient temperature<br />3: N-hydroxypyridine-2-thione sodium salt, 4-dimethylaminopyridine, bromotrichloromethane / CCl₄ / 0.25 h / Heating<br /> <br /> &nbsp;