Alkenols (Enols) Hydroxyl group takes precedence.Assign the carbon with the-OH the lowest number. End the name in-o/,but also specify that there is a double bond by using the ending -ene before-ol OH CH2-CHCH2CHCH3 54321 4-penten-2-ol pent-4-ene-2-ol Chapter 10 7 Chapter 10 7 Alkenols (Enols) • Hydroxyl group takes precedence. Assign the carbon with the —OH the lowest number. • End the name in –ol, but also specify that there is a double bond by using the ending –ene before -ol 4-penten-2-ol pent-4-ene-2-ol CH2 CHCH2CHCH3 OH 5 4 3 2 1