Diketone
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A diketone is a molecule containing two carbonyl groups.
A diketone is an oxygen nucleophile.
Reactions
Diketones react similarly to ketones or aldehydes
Nucleophilic addition
diketone + nucleophile → tetrahedral carbonyl addition compound
- diketone + alcohol + acid or base ↔ hemiacetal
- hemiacetal + alcohol + acid catalyst ↔ acetal + water
- This is a carbonyl-protecting reaction.