... able to chlorinate the alpha position of carbonyl compounds.This reaction is performed in a polar solvent such as dimethylformamide (DMF ... ), often in the presence of lithium chloride, which accelerates the reaction.CuCl2, in the presence of oxygen, can also oxidize phenols ... converted to ethanal (acetaldehyde) using water and air. During the reaction, PdCl2 is reduced to Pd, and the CuCl2 serves to ...