SEARCH Articles Figures Tables Acid anhydrides acylation Acylation anhydrides Anhydrides Friedel-Crafts acylation Carboxyl anhydride Carboxylic acid anhydrides Carboxylic acids Friedel-Crafts acylation Carboxylic acids acid anhydrides Carboxylic acids acylation Carboxylic anhydrides Friedel acylation In carboxylic acids