Acid anhydride reactions
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14 Terms
What is the functional group change when an acid anhydride reacts with water?
Acid anhydride → carboxylic acid.
What reagent is used?
Water.
What are the conditions?
Room temperature.
What are the products?
Two molecules of carboxylic acid.
Write the general equation.
(RCO)₂O + H₂O → 2RCO₂H.
What is the key difference between the products of acyl chloride and acid anhydride hydrolysis?
Acyl chloride produces carboxylic acid + HCl, whereas acid anhydride produces two carboxylic acid molecules.
What is the functional group change when an acid anhydride reacts with an alcohol?
Acid anhydride → ester.
What reagent is used?
An alcohol.
What are the conditions?
Room temperature.
What are the products?
Ester + carboxylic acid.
Write the general equation.
(RCO)₂O + R′OH → RCOOR′ + RCOOH.
What is the key difference between an acyl chloride and acid anhydride reacting with an alcohol?
Acyl chloride produces ester + HCl, whereas acid anhydride produces ester + carboxylic acid.
What mechanism occurs?
Nucleophilic addition–elimination.