What is the IUPAC of the following compound?
A)1,2-Epoxy-2-methylcyclopentane
B)1,2-Epoxy-1-methylcyclopentane
C)1,2-Epoxy-1-methylpentane
D)1,2-Epoxy-2-methylpentane

Question

What is the IUPAC of the following compound? 
A)1,2-Epoxy-2-methylcyclopentane 
B)1,2-Epoxy-1-methylcyclopentane 
C)1,2-Epoxy-1-methylpentane 
D)1,2-Epoxy-2-methylpentane

Quizplus · Accepted Answer

The compound is a cyclopentane with a methyl group attached to it and an epoxy group on carbons 1 and 2. The numbering should start at the carbon closest to the epoxy group, giving a substituent of 1-methyl. Therefore, the correct name is 1,2-epoxy-1-methylcyclopentane.

What Is the IUPAC of the Following Compound