Table of contents

1. A Review of General Chemistry5h 5m
2. Molecular Representations1h 14m
3. Acids and Bases2h 46m
4. Alkanes and Cycloalkanes4h 17m
5. Chirality3h 39m
6. Thermodynamics and Kinetics1h 22m
7. Substitution Reactions1h 48m
8. Elimination Reactions2h 30m
9. Alkenes and Alkynes2h 9m
10. Addition Reactions3h 19m
11. Radical Reactions1h 58m
12. Alcohols, Ethers, Epoxides and Thiols2h 42m
13. Alcohols and Carbonyl Compounds2h 17m
14. Synthetic Techniques1h 26m
15. Analytical Techniques:IR, NMR, Mass Spect7h 3m
16. Conjugated Systems6h 13m
17. Ultraviolet Spectroscopy51m
18. Aromaticity2h 34m
19. Reactions of Aromatics: EAS and Beyond5h 1m
20. Phenols55m
21. Aldehydes and Ketones: Nucleophilic Addition4h 56m
22. Carboxylic Acid Derivatives: NAS2h 51m
23. The Chemistry of Thioesters, Phophate Ester and Phosphate Anhydrides1h 10m
24. Enolate Chemistry: Reactions at the Alpha-Carbon1h 53m
25. Condensation Chemistry2h 9m
26. Amines1h 43m
27. Heterocycles2h 0m
28. Carbohydrates5h 53m
29. Amino Acids4h 20m
30. Peptides and Proteins2h 42m
31. Catalysis in Organic Reactions1h 30m
32. Lipids 2h 50m
33. The Organic Chemistry of Metabolic Pathways2h 52m
34. Nucleic Acids1h 32m
35. Transition Metals6h 14m
36. Synthetic Polymers1h 49m

1. A Review of General Chemistry

Skeletal Structure

Organic Chemistry

1. A Review of General Chemistry

Skeletal Structure

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1:48 minutes

Problem 10c

Textbook Question

For each of the following molecules, draw one 3-D representation at only the necessary atoms (that is, the ones with four different atoms/groups attached).
(c)

Verified step by step guidance

Identify the chiral center in the molecule. A chiral center is a carbon atom attached to four different groups. In this molecule, examine each carbon atom to determine if it meets this criterion.

Focus on the carbon atoms in the ring structure and the substituents attached to them. Check if any carbon atom has four distinct groups attached, including the NH2 group, the double bond, and other parts of the ring.

Once the chiral center is identified, represent it in a 3-D format using wedge and dash bonds. Wedge bonds indicate groups coming out of the plane towards the viewer, while dash bonds indicate groups going behind the plane.

Assign the groups around the chiral center based on their spatial arrangement. Ensure that the 3-D representation accurately reflects the stereochemistry of the molecule.

Verify the representation by checking that the chiral center has four distinct groups and that the stereochemistry is consistent with the molecule's structure.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Stereochemistry

Stereochemistry is the study of the spatial arrangement of atoms in molecules and how this affects their chemical behavior. In organic chemistry, understanding stereochemistry is crucial for visualizing and representing molecules in three dimensions, especially when dealing with chiral centers that have four different substituents.

Chirality

Chirality refers to the property of a molecule that makes it non-superimposable on its mirror image, much like left and right hands. Molecules with chirality often contain a carbon atom bonded to four different groups, leading to two distinct enantiomers. Recognizing chiral centers is essential for accurately drawing 3-D representations.

3-D Molecular Representation

3-D molecular representation involves illustrating the three-dimensional structure of a molecule to convey its geometry and spatial orientation. Techniques such as wedge-and-dash notation or ball-and-stick models help depict the arrangement of atoms and bonds, which is vital for understanding reactivity and interactions in organic compounds.

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