When compound C is properly named, what are the stereochemical labels? OH OH OH OH . o o о A 2S, ЗЕ 2S, 3Z 2R, 3Z 2R, 3E в с D

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### Stereochemistry of Organic Compounds

#### Question:
When compound **C** is properly named, what are the stereochemical labels?

#### Diagram:
The diagram showcases four different compounds labeled **A, B, C,** and **D**. Each compound is an isomer with an alcohol (-OH) group attached to a carbon chain that includes a double bond:

**A:**
CH3-CH(OH)-CH=CH2

**B:**
CH3-CH(-OH)-CH=CH2

**C:**
CH3-CH(OH)-CH=CH2

**D:**
CH3-CH(-OH)-CH=CH2

It's important to note the stereochemistry:
- Compound **A** has the -OH group on a wedge, indicating an upward projection.
- Compound **B** has the -OH group on a dash, indicating a downward projection.
- Compound **C** visually appears identical to **A** but should be analyzed for stereochemical confirmation.
- Compound **D** also has the -OH group on a dash, similar to **B**.

#### Multiple Choice Answers:
- ○ 2S, 3E
- ○ 2S, 3Z
- ○ 2R, 3Z
- ○ 2R, 3E

Given Compound C, the primary analysis would involve:

1. **Determining the Configuration at Carbon 2 (C2):**
    - Check the priorities of the substituents around the chiral center (C-2).

2. **Determining the Double Bond Configuration:**
    - Check the E/Z configuration around the double bond (C3=C4).

Use the R/S and E/Z nomenclature rules to properly determine the stereochemical labels.

For detailed answers and explanations, refer to stereochemistry rules and the CIP (Cahn-Ingold-Prelog) priority rules.
Transcribed Image Text:### Stereochemistry of Organic Compounds #### Question: When compound **C** is properly named, what are the stereochemical labels? #### Diagram: The diagram showcases four different compounds labeled **A, B, C,** and **D**. Each compound is an isomer with an alcohol (-OH) group attached to a carbon chain that includes a double bond: **A:** CH3-CH(OH)-CH=CH2 **B:** CH3-CH(-OH)-CH=CH2 **C:** CH3-CH(OH)-CH=CH2 **D:** CH3-CH(-OH)-CH=CH2 It's important to note the stereochemistry: - Compound **A** has the -OH group on a wedge, indicating an upward projection. - Compound **B** has the -OH group on a dash, indicating a downward projection. - Compound **C** visually appears identical to **A** but should be analyzed for stereochemical confirmation. - Compound **D** also has the -OH group on a dash, similar to **B**. #### Multiple Choice Answers: - ○ 2S, 3E - ○ 2S, 3Z - ○ 2R, 3Z - ○ 2R, 3E Given Compound C, the primary analysis would involve: 1. **Determining the Configuration at Carbon 2 (C2):** - Check the priorities of the substituents around the chiral center (C-2). 2. **Determining the Double Bond Configuration:** - Check the E/Z configuration around the double bond (C3=C4). Use the R/S and E/Z nomenclature rules to properly determine the stereochemical labels. For detailed answers and explanations, refer to stereochemistry rules and the CIP (Cahn-Ingold-Prelog) priority rules.
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