Chemistry
Organic Building Blocks
Anhydrides
Anhydrides
An acid anhydride is a type of compound where two acyl groups are connected to a single oxygen atom.
One of the most common forms of organic acid anhydrides is known as carboxylic anhydride, which is derived from a carboxylic acid. The general formula for carboxylic anhydride is (RC(O))2O, where R represents an acyl group.
Organic compounds with acid anhydrides have been found in natural products obtained from a variety of sources, including animals, bacteria, and fungi.
Acid anhydrides serve as a valuable source of reactive acyl groups, and their reactions and applications closely resemble those of acyl halides. When they react with protic substrates, they yield both the acylated product and the corresponding carboxylic acid in equimolar amounts.
In certain instances, the acid anhydride may subsequently undergo reactions with nucleophiles from other cellular components.
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