What is the IUPAC name for the compound shown?

Question

Quizplus · Accepted Answer

The compound shown is a cycloheptane ring with four methyl groups attached at positions 1, 2, 4, and 5. According to the IUPAC nomenclature rules, the numbering of the ring is such that the lowest possible numbers are assigned to the substituents. Thus, the IUPAC name for the compound is 1,2,4,5-tetramethylcycloheptane. Choice A is incorrect because the four methyl groups are not located at positions 1, 2, 5, and 6. Choice C is incorrect because the four methyl groups are not located at positions 1, 3, 4, and 6. Choice D is incorrect because it does not reflect the correct number and position of the substituents on the ring.

What Is the IUPAC Name for the Compound Shown