Explain why neither of the following compounds undergoes Diels `-` Alder reaction with
Channel: Doubtnut
Date: 2020-07-26

Explain why neither of the following compounds undergoes Diels `-` Alder reaction with dienophile `(e.g.`  maleic anhydride`).`  `a.`   `HC-=C-C-=CH`  `b.`  `c.`