Tag Archives: halide

One of a large group of organic substances possessing the halocar­bonyl group, in which X stands for fluorine, chlorine, bromine, or iodine. The terms acyl and aroyl halides refer to aliphatic or aromatic derivatives, respectively. The great inherent reactivity of acid halides precludes their free existence in nature; all are made by synthetic processes. In general, acid halides have low …

The process of introducing an acyl group (RCO-) into a compound. The usual method is to react an alcohol with an acyl halide or a carboxylic acid anhydride; e.g. RCOCl + R’OH → RCOOR’ + HCl