Phenyl vinyl sulfone
= Phenyl vinyl sulfone
$\mathrm{CH_2=CHSO_2Ph}$, an activated <dienophile> whose sulfone group can be removed reductively after cycloaddition.
= Phenyl vinyl sulfone
$\mathrm{CH_2=CHSO_2Ph}$, an activated <dienophile> whose sulfone group can be removed reductively after cycloaddition.