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What are acid anhydrides used for?

Answer 1

To make acyl esters & as dehydration agent

To add the R-C=O moiety to a compound that has functionality such as OH, NH(X), or SH. Both aromatic and aliphatic compounds can have electonegative elements as indicated. This can be thought of along the same lines as acid chloride in acylation.

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Answer 2

Isaac Aronson

Acid anhydrides are used primarily as reagents in organic synthesis to form esters, amides, and other functional groups. They are also used as dehydrating agents and as catalysts in certain reactions. Additionally, they are utilized in the preparation of various pharmaceuticals and in organic chemistry research.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.