Question

The IUPAC name of the given structure is :$\left(C{H}_3\right)CCC\left(C{H}_3\right)CH\left(C{H}_3\right)$

• A. 3-Methyl-4-hexynene-2
• B. 3-Methylhex-2-ene-4-yne
• C. 4-Methyl-4-hexenyne-4
• D. All of the above.

Answer 1

The correct option is B 3-Methylhex-2-ene-4-yne

The correct numbering in the present case is one that gives lowest possible number to double bond,thus correct numbering to longest chain is given by :
Hence, correct IUPAC name is
3-Methylhex-2-en-4-yne