haloacyl
Haloacyl refers to a functional group in organic chemistry characterized by a carbonyl group (C=O) directly attached to a halogen atom and an alkyl or aryl group. The general structure can be represented as R-CO-X, where R is an alkyl or aryl group, CO is the carbonyl group, and X is a halogen atom (fluorine, chlorine, bromine, or iodine). Haloacyl compounds are essentially acyl halides with a more complex organic substituent.
These compounds are highly reactive due to the electronegativity of the halogen atom, which withdraws electron