Chemistry, asked by enaresnalin, 2 months ago

Acetic anhydride has two purposes in the reaction. What are these?

Answers

Answered by janaki02061984
4

Answer:

Basically, the acid acts as a catalyst (not protonating water though, because acetic anhydride is violently reactive with water), and the hydroxyl on 2-hydroxybenzoic acid acts as a nucleophile. ... The acetic anhydride essentially ends up transferring its acetyl group to 2-hydroxybenzoic acid.

Explanation:

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Answered by dualadmire
0

Acid anhydride has two purposes in the reaction which include metabolite as well as reagent.

  • Acetic anhydride is a carboxylic anhydride which is acyclic and it is formed from acetic acid. In a reaction, acid anhydride can perform two functions, plays the role of metabolite as well as reagent.
  • Acetic anhydride as a metabolite can be used as an esterification agent which is utilized for the preparation of altered food having starch and even for the acetylation of monoglycerides
  • Acetic anhydride can also be used as a reagent such as a dehydrating agent which results in the formation of anhydrides. Anhydrides can be formed either in the presence of basic or acidic catalyst or in the absence of catalysts.
  • Acetic anhydride can also act as a versatile reagent by introducing the acetyl groups into organic compounds and thus undergo acetylation.

Hence, Acid anhydride can perform two functions, plays the role of metabolite as well as reagent.

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