« A new class of catalysts promoting the hydrochlorination of glycerol to obtain selectively 1,3-dichlorohydrin has recently been discovered. These catalysts are acyl chlorides and prove to be much more active and sometimes more selective than the corresponding carboxylic acids, usually employed to promote this reaction. » (Vitiello 2016, Ind. Eng. Chem. Res 10.1021/acs.iecr.5b03765)