/free del"krafts", -krahfts"/
a reaction for the synthesis of hydrocarbons and ketones by the alkylation or acylation of an aromatic compound in the presence of a catalyst, typically anhydrous aluminum chloride.
[ 1895-1900; after French chemist Charles Friedel (1832-99) and U.S. chemist J. M. Crafts (1832-1917), its discoverers ]