Question: Choose the correct name for compound given below:
(4E)-5-Bromo-hex-4-en-2-yne
(2E)-2-Bromo-hex-4-yn-2-ene
(2E)-2-Bromo-hex-2-en-4-yne
(4E)-5-Bromo-hex-2-en-4-yne
Correct Option:
Solution:
h.p. $\Rightarrow$ higher priority
l.p. $\Rightarrow$ lower priority
$2 \mathrm{E}-2-$ bromo hex $-2$ - en-4-yne