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19. Aldehydes and Ketones:Nucleophilic Addition - Part 2 of 3
21. Aldehydes and Ketones: Nucleophilic Addition / Imine vs Enamine / Problem 9

Acetals are used as protecting groups for carbonyl compounds (aldehydes and ketones) and diols. A cyclic acetal is formed when a ketone or an aldehyde reacts with a diol. Determine the cyclic acetal produced when the compound below reacts with ethane-1,2-diol under acid catalysis.

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