Table of contents

1. A Review of General Chemistry(0)
2. Molecular Representations(0)
3. Acids and Bases(0)
4. Alkanes and Cycloalkanes(0)
5. Chirality(0)
6. Thermodynamics and Kinetics(0)
7. Substitution Reactions(0)
8. Elimination Reactions(0)
9. Alkenes and Alkynes(0)
10. Addition Reactions(0)
11. Radical Reactions(0)
12. Alcohols, Ethers, Epoxides and Thiols(0)
13. Alcohols and Carbonyl Compounds(0)
14. Synthetic Techniques(0)
15. Analytical Techniques:IR, NMR, Mass Spect(0)
16. Conjugated Systems(0)
17. Ultraviolet Spectroscopy(0)
18. Aromaticity(0)
19. Reactions of Aromatics: EAS and Beyond(0)
20. Phenols(0)
21. Aldehydes and Ketones: Nucleophilic Addition(0)
22. Carboxylic Acid Derivatives: NAS(0)
23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides(0)
24. Enolate Chemistry: Reactions at the Alpha-Carbon(0)
25. Condensation Chemistry(0)
26. Amines(0)
27. Heterocycles(0)
28. Carbohydrates(0)
29. Amino Acids(0)
30. Peptides and Proteins(0)
31. Catalysis in Organic Reactions(0)
32. Lipids (0)
33. The Organic Chemistry of Metabolic Pathways(0)
34. Nucleic Acids(0)
35. Transition Metals(0)
36. Synthetic Polymers(0)

12. Alcohols, Ethers, Epoxides and Thiols

Alcohol Protecting Groups

12. Alcohols, Ethers, Epoxides and Thiols

Alcohol Protecting Groups: Videos & Practice Problems

Video Lessons Practice Worksheet

Alcohol Protecting Groups Practice Problems

20 problems

1PRACTICE PROBLEM

Consider the following general scheme:

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How does benzyl ether protect the 1° alcohol? What are the reagents used in the first step?

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2PRACTICE PROBLEM

What is the primary purpose of a protecting group in organic chemistry?

3PRACTICE PROBLEM

When is a protecting group typically necessary in a reaction involving a molecule with multiple functional groups?

4PRACTICE PROBLEM

Which of the following characteristics is NOT essential for an effective protecting group?

5PRACTICE PROBLEM

Why do alcohols often interfere in reactions involving alkenides?

6PRACTICE PROBLEM

How does a protecting group facilitate selective reactions in a molecule with both alcohol and aldehyde groups?

7PRACTICE PROBLEM

In which scenario would alkenides be unsuitable as nucleophiles in a reaction?

8PRACTICE PROBLEM

What product is expected when an alkenide reacts with a primary alkyl halide in an SN2 reaction?

9PRACTICE PROBLEM

How does the presence of an alcohol group affect the reaction pathway of an alkenide?

10PRACTICE PROBLEM

Which reaction condition would best facilitate the removal of a protecting group to restore the original functional group?

11PRACTICE PROBLEM

Which strategy is most effective for determining the use of a protecting group in a synthetic route?

12PRACTICE PROBLEM

What role do alcohols play in reactions with basic alkenides?

13PRACTICE PROBLEM

Why must a protecting group be easily removable?

14PRACTICE PROBLEM

In a molecule with both an amine and a carboxylic acid group, which should be protected if a reaction is to be conducted at the amine?

15PRACTICE PROBLEM

What role do alkenides typically play in organic chemistry reactions?

16PRACTICE PROBLEM

Which factor most strongly influences the rate of an SN2 reaction involving an alkenide and an alkyl halide?

17PRACTICE PROBLEM

Which of the following scenarios best illustrates the use of a protecting group to achieve a selective reaction?

18PRACTICE PROBLEM

In the context of organic synthesis, why is it important for the reaction removing a protecting group to be reversible?

19PRACTICE PROBLEM

What is the primary consideration when deciding to use a protecting group in a synthesis?

20PRACTICE PROBLEM

Which reaction condition would most likely require the temporary removal of an alcohol group using a protecting group?

Previous Topic: Ether Cleavage Next Topic: t-Butyl Ether Protecting Groups

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