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)
32. Lipids (0)
34. Nucleic Acids(0)
35. Transition Metals(0)

25. Condensation Chemistry

Crossed Aldol Condensation

25. Condensation Chemistry

Crossed Aldol Condensation - Online Tutor, Practice Problems & Exam Prep

Crossed Aldol Condensation Practice Problems

11 problems

1PRACTICE PROBLEM

Give the synthesis of the following molecule using cyclopentanone and any other reagent necessary.

2PRACTICE PROBLEM

Write the complete mechanism of base-catalyzed condensations followed by dehydration between formaldehyde and butanal.

3PRACTICE PROBLEM

Write the complete mechanism of base-catalyzed condensations followed by dehydration between p-nitobenzaldehyde and 3-methylbutanal.

4PRACTICE PROBLEM

Determine the possible major product of base-catalyzed aldol condensation followed by dehydration between p-nitrobenzophenone and acetaldehyde.

5PRACTICE PROBLEM

Determine the possible major product of base-catalyzed aldol condensation followed by dehydration between acetone and benzaldehyde.

6PRACTICE PROBLEM

Give the possible major product of the given reaction.

7PRACTICE PROBLEM

Draw the arrow-pushing mechanism for the reaction shown below.

8PRACTICE PROBLEM

Predict the product(s), both before and after dehydration, of the crossed aldol condensation reaction below. (Ignore stereochemistry.)

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9PRACTICE PROBLEM

Suggest the plausible product(s) for the crossed aldol condensation reaction below, showing both the products before and after dehydration. (Ignore stereochemistry.)

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10PRACTICE PROBLEM

Determine the plausible product(s) for the crossed aldol condensation reaction below, showing both the products before and after dehydration. (Ignore stereochemistry.)