Question

Give the IUPAC name for \[ \text{H}_3\text{C} - \text{CH}_2 - \text{C} - \text{CH}_2 - \text{C} - \text{OCH}_3 \]

• A. Ethyl-4-oxoheptanate
• B. Methyl-4-oxoheptanate
• C. Ethyl-4-oxohexonate
• D. Methyl-4-oxohexonate

Hint:

The IUPAC name of esters includes the alkyl group attached to the oxygen, followed by the parent chain name with the appropriate suffix.

Answer 1

The Correct Option is D

Step 1: Naming the compound.
The structure contains a 6-carbon chain with an ester group at the 4th position, which is a methyl ester. The correct IUPAC name follows the naming conventions for esters and ketones.

Step 2: Conclusion.
Thus, the correct IUPAC name is option (D).

Final Answer: \[ \boxed{\text{(D) Methyl-4-oxohexonate}} \]