Question

Ethyl-2 (p-chlorophenoxyl)-2-methyl propionate is IUPAC name of:

• A. Fenofibrate
• B. Colestipol
• C. Clofibrate
• D. Colesevelam

Answer 1

The Correct Option is C

To determine the correct answer to the question regarding the IUPAC name "Ethyl-2 (p-chlorophenoxyl)-2-methyl propionate," we need to breakdown the name and match it with the given options.

1. The IUPAC name consists of several structural components: an ethyl group, a 2-methyl propionate group, and a p-chlorophenoxyl group. Let's understand these components:

   • Ethyl group: This represents an alkyl chain with two carbon atoms.
   • 2-methyl propionate: This indicates a propionate ester where the second carbon has a methyl group substituting one of the hydrogens.
   • p-chlorophenoxyl group: This signifies a phenoxy group with a chlorine atom at the para position relative to the oxygen in the phenoxy group.

2. A close examination of the given options reveals that "Clofibrate" is known by its structural formula, which matches the description given by the IUPAC name:

   • Clofibrate: This is an organic compound in which an ester (propionate) is bonded with a chlorophenoxy group, specifically a p-chlorophenoxy, making it consistent with the name "Ethyl-2 (p-chlorophenoxyl)-2-methyl propionate."

3. The other options can be ruled out based on their structures:

   • Fenofibrate, Colestipol, and Colesevelam: These compounds do not align with the structural features described in the IUPAC name. For instance, Fenofibrate does not have the specific para-substituted chlorophenoxy structure.

4. Thus, the correct answer is Clofibrate.

By understanding the molecular structure represented by the IUPAC name, we synthesize that Clofibrate is the compound that matches this description, confirming it as the right choice.