What is the correct name of compound A?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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### Identification of the Correct Name of Compound A

**Question:**

What is the correct name of compound A?

**Options:**
- (1S,3R)-1,3-dichlorocyclohexane
- (1R,3R)-1,3-dichlorocyclohexane
- (1R,3S)-1,3-dichlorocyclohexane
- (1S,3S)-1,3-dichlorocyclohexane

**Visual Information:**

The image contains three chemical structures labeled as A, B, and C. Each structure represents different stereoisomers of 1,3-dichlorocyclohexane, characterized by the spatial arrangement of chlorine atoms on a cyclohexane ring.

1. **Structure A:**
    - Shows chlorine atoms attached at positions 1 and 3 of the cyclohexane ring.
    - The chlorine atoms are opposite each other, one using a wedge (indicating above plane) and the other using a dash (indicating below plane).

2. **Structure B:**
    - Also shows chlorine atoms at positions 1 and 3 of the cyclohexane ring.
    - Both chlorine atoms use wedges (indicating both are above the plane).

3. **Structure C:**
    - Similarly shows chlorine atoms at positions 1 and 3 of the cyclohexane ring.
    - Both chlorine atoms use dashes (indicating both are below the plane).

**Identification:**

To determine the correct name of compound A:
- Examine the spatial arrangement of the chlorine atoms in structure A.
- Note that one chlorine atom is directed above the plane of the ring (wedge) and the other is below the plane (dash).
- Identify the stereochemistry based on the IUPAC naming convention.

In conclusion, structure A corresponds to the stereoisomer where the chlorine atoms are in a trans configuration (one above the plane and one below), given in the form `(1R,3S)` or `(1S,3R)`.

**Correct Answer:**

- (1S,3R)-1,3-dichlorocyclohexane
Transcribed Image Text:### Identification of the Correct Name of Compound A **Question:** What is the correct name of compound A? **Options:** - (1S,3R)-1,3-dichlorocyclohexane - (1R,3R)-1,3-dichlorocyclohexane - (1R,3S)-1,3-dichlorocyclohexane - (1S,3S)-1,3-dichlorocyclohexane **Visual Information:** The image contains three chemical structures labeled as A, B, and C. Each structure represents different stereoisomers of 1,3-dichlorocyclohexane, characterized by the spatial arrangement of chlorine atoms on a cyclohexane ring. 1. **Structure A:** - Shows chlorine atoms attached at positions 1 and 3 of the cyclohexane ring. - The chlorine atoms are opposite each other, one using a wedge (indicating above plane) and the other using a dash (indicating below plane). 2. **Structure B:** - Also shows chlorine atoms at positions 1 and 3 of the cyclohexane ring. - Both chlorine atoms use wedges (indicating both are above the plane). 3. **Structure C:** - Similarly shows chlorine atoms at positions 1 and 3 of the cyclohexane ring. - Both chlorine atoms use dashes (indicating both are below the plane). **Identification:** To determine the correct name of compound A: - Examine the spatial arrangement of the chlorine atoms in structure A. - Note that one chlorine atom is directed above the plane of the ring (wedge) and the other is below the plane (dash). - Identify the stereochemistry based on the IUPAC naming convention. In conclusion, structure A corresponds to the stereoisomer where the chlorine atoms are in a trans configuration (one above the plane and one below), given in the form `(1R,3S)` or `(1S,3R)`. **Correct Answer:** - (1S,3R)-1,3-dichlorocyclohexane
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