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

5. Chirality

R and S Configuration

Organic Chemistry

5. Chirality

R and S Configuration

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Problem 59c

Textbook Question

Using IUPAC rules, name the following molecules.
(c)

Verified step by step guidance

Step 1: Identify the longest continuous carbon chain in the molecule that contains the highest priority functional groups (double bonds in this case). This will serve as the parent chain. Count the number of carbons in this chain to determine the base name (e.g., pent-, hex-, hept-).

Step 2: Number the parent chain starting from the end closest to the first double bond to ensure the lowest possible locants for the double bonds. Note the positions of the double bonds and any substituents.

Step 3: Identify and name the substituents attached to the parent chain. These include alkyl groups and any stereochemical features (e.g., wedges indicating chirality). Assign locants to these substituents based on their position on the parent chain.

Step 4: Determine the stereochemistry of the molecule if applicable. For example, the wedge indicates a specific configuration at the chiral center. Use R/S nomenclature to describe the stereochemistry.

Step 5: Combine all elements of the name: start with the substituents (in alphabetical order), followed by the parent chain name, and include the positions of the double bonds and stereochemical descriptors. Ensure the name follows IUPAC conventions.

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Key Concepts

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

IUPAC Nomenclature

IUPAC nomenclature is a systematic method for naming organic chemical compounds. It provides rules for identifying the structure of a molecule based on its functional groups, carbon chain length, and branching. Understanding these rules is essential for accurately naming compounds and communicating their structures in the scientific community.

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. Common functional groups include alcohols, carboxylic acids, and amines. Recognizing functional groups is crucial for determining the name and properties of organic compounds.

Carbon Chain Structure

The carbon chain structure refers to the arrangement of carbon atoms in a molecule, which can be linear, branched, or cyclic. The length and branching of the carbon chain significantly influence the compound's name and properties. Identifying the longest continuous carbon chain is a key step in applying IUPAC naming rules.

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