SEARCH Articles Figures Tables Anhydrides preparation Carboxyl anhydride Carboxylated preparation Carboxylation preparation Carboxylic acid anhydrides Carboxylic acids acid anhydrides Carboxylic acids preparation Carboxylic anhydrides Carboxylic preparation PREPARATION OF CARBOXYLIC ACIDS, ACID HALIDES, AND ANHYDRIDES Preparation of Carboxylic Acid Anhydrides Preparing Carboxylic Acids