other functionalities in the molecule, the acetal or ketal can be reverted back to a carbonyl with
aqueous acid, a step called deprotection. These reactions are shown in Figure 5.11.
Figure 5.11. Protection of a Ketone by Ketal Formation Using a DialcoholMCAT Concept Check 5.2:
Before you move on, assess your understanding of the material with these questions.What will happen to primary and secondary alcohols, respectively, in the presence of
strong oxidizing agents?Primary alcohols: Secondary alcohols: How can primary alcohols be oxidized to aldehydes?