See image — IUPAC and Nomenclature Chemistry Question

💡 Solution & Explanation

Step 1 (Identify the structure): The compound shown is an ester. An ester has the general formula R-C(=O)-O-R'. Step 2 (Identify the acid-derived portion): The carbonyl carbon (C=O) is attached to a cyclobutane ring. This corresponds to cyclobutanecarboxylic acid as the parent acid, giving the acyl portion the name 'cyclobutanecarboxy' (i.e., cyclobutanecarbonyl-oxy). Step 3 (Identify the alcohol-derived portion): The oxygen on the other side of the ester linkage is connected to a -CH2- group, which is in turn attached to a cyclopropane ring. This -CH2- group bearing a cyclopropane is a cyclopropylmethyl group (cyclopropane + methylene = cyclopropylmethyl). Step 4 (Name the ester): Esters are named as [alkyl/aryl group from alcohol] [acyl name from acid + -ate]. The alcohol-derived portion is cyclopropylmethyl (from cyclopropylmethanol), and the acid-derived portion is cyclobutanecarboxylate (from cyclobutanecarboxylic acid). Combining these: cyclopropylmethyl cyclobutanecarboxylate. Step 5 (No alternative options to eliminate since this is a naming question with a single correct IUPAC-style name). Therefore, the correct answer is cyclopropylmethyl cyclobutanecarboxylate.