SEARCH Articles Figures Tables 1,8-Naphthalic anhydride, reaction with potassium hydroxide to yield 2,6naphthalenedicarboxylic acid Acetic anhydride, condensation with in cyclization of o-formylphenoxyacetic acid to coumarone Acid Anhydrides to Amides Acid Anhydrides to Esters Acid Anhydrides to Imides Acid Chloride to an Anhydride Acid anhydrides hydrogenation to ethers Catalytic Oxidation of o-Xylene to Phthalic Acid Anhydride Nicotinic acid, conversion to anhydride Removing water to form acid anhydrides To acid anhydrides To anhydrides