A student wanted to use the branched groups, isobutyl, sec-butyl, and tert-butyl when naming alkenes but was told not to. What is the correct IUPAC name for the compound the student called isobutylethene?

Question

Quizplus · Accepted Answer

The correct IUPAC name for isobutylethene is 4-methyl-1-pentene. The isobutyl group is a branched alkyl group, and when naming alkenes, the longest carbon chain containing the double bond is identified, and substituents are named accordingly.

A Student Wanted to Use the Branched Groups, Isobutyl, Sec-Butyl