Dictionary  Frie•del'-Crafts' reac"tionPronunciation: (frē-del'krafts', -kräfts'), [key] 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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