22. Carboxylic Acid Derivatives: NAS
Lactones, Lactams and Cyclization Reactions
10:47 minutes
Problem 20a
Textbook Question
Textbook QuestionIn the presence of a trace of acid, d-hydroxyvaleric acid forms a cyclic ester (lactone). HO-CH2CH2CH2CH2-COOH (delta-hydroxyvaleric acid) (a) Give the structure of the lactone, called delta-valerolactone. (b) Propose a mechanism for the formation of delta-valerolactone.
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