The quiz below requires some mastery in reactions, intermediates, and step-by-step mechanisms. Not ready? Start by gaining your foundation in the Acetal Tutorial Video Series!

Scroll to the very bottom of this quiz for a link to the FREE quiz solutions PDF (Coming Soon!) to ensure you’ve got this down.

The solutions walkthrough video is available in the Orgo Study Hall Video Library!

Part 1: Complete the Following Reactions

If the aldehyde or ketone can react twice show the intermediate along with the final product.

Hint: Hemiacetal and hemiketal form as intermediates for the acetal and ketal products As Seen in the Acetal Overview Video.

Part 2: Fill in the Missing Reactants or Products 

in the following acetal protecting group reactions.

Hint: You don’t need to work the entire problem. Review the reactant/product trick in this Acetal Overview Video.

Part 3: Show the Step-by-Step Mechanism

in order to Complete the Following Reactions

Hint: Don’t let intramolecular reactions trick you. It follows the same mechanism as taught in the Acetal & Hemiacetal Mechanism Video Tutorial

Challenge Questions!

Acetals are often used as protecting groups for complex synthesis reactions. Show how you’d bring about the following transformations. Pay special attention to potential unwanted side reactions.

Hint: Review the Redox Video Series as well as Grignard reaction

How did you do?

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