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 sec-butylethene?

Question

Quizplus · Accepted Answer

The correct IUPAC name for sec-butylethene is 3-methyl-1-pentene, as the parent chain is pentene (5 carbons) and the double bond is on the first carbon. The prefix "sec-butyl" should not be used in naming alkenes according to IUPAC guidelines.

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