
Concept explainers
(a)
Interpretation:
The use of anhydride to synthesize the given compound and the reason for the preference of an anhydride over an acid chloride is to be explained.
Concept introduction:
Anhydrides undergo many of the reactions as same as acid chlorides. Anhydrides are easily converted to less reactive acid derivatives as well as they participate in the Friedel-Crafts acylation. Many reactions of anhydrides involve the loss of one of the two acid molecules as a leaving group. Anhydrides often give better yields than acetyl chloride for acetylation of alcohols.
(b)
Interpretation:
The use of anhydride to synthesize the given compound and the reason for the preference of an anhydride over an acid chloride is to be explained.
Concept introduction:
Anhydrides undergo many of the reactions as same as acid chlorides. Anhydrides are easily converted to less reactive acid derivatives as well as they participate in the Friedel-Crafts acylation. Many reactions of anhydrides involve the loss of one of the two acid molecules as a leaving group. Anhydrides often give better yields than acetyl chloride for acetylation of alcohols.
(c)
Interpretation:
The use of anhydride to synthesize the given compound and the reason for the preference of an anhydride over an acid chloride is to be explained.
Concept introduction:
Anhydrides undergo many of the reactions as same as acid chlorides. Anhydrides are easily converted to less reactive acid derivatives as well as they participate in the Friedel-Crafts acylation. Many reactions of anhydrides involve the loss of one of the two acid molecules as a leaving group. Anhydrides often give better yields than acetyl chloride for acetylation of alcohols.
(d)
Interpretation:
The use of anhydride to synthesize the given compound and the reason for the preference of an anhydride over an acid chloride is to be explained.
Concept introduction:
Anhydrides undergo many of the reactions as same as acid chlorides. Anhydrides are easily converted to less reactive acid derivatives as well as they participate in the Friedel-Crafts acylation. Many reactions of anhydrides involve the loss of one of the two acid molecules as a leaving group. Anhydrides often give better yields than acetyl chloride for acetylation of alcohols.

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Chapter 21 Solutions
Organic Chemistry, Books a la Carte Edition (9th Edition)
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