Name the following compound:
Z)-5-methylhex-4-en-2-yn-6-ol
E)-5-methylhex-4-en-2-yn-6-ol
E)-2-methylhex-2-en-4-yn-1-ol
Z)-2-methylhex-2-en-4-yn-1-ol
Z)-1-methylhex-2-en-3-yn-1-ol

Question

Name the following compound: 
Z)-5-methylhex-4-en-2-yn-6-ol 
E)-5-methylhex-4-en-2-yn-6-ol 
E)-2-methylhex-2-en-4-yn-1-ol 
Z)-2-methylhex-2-en-4-yn-1-ol 
Z)-1-methylhex-2-en-3-yn-1-ol

Quizplus · Accepted Answer

The compound has a triple bond between the second and third carbon atoms from the left (2-en-4-yn). The methyl group is located on the second carbon atom (2-methyl). The hydroxyl group is at the end of the chain (1-ol). Since the triple bond has priority over the double bond, the compound is named as (E)-2-methylhex-2-en-4-yn-1-ol.

Name the Following Compound