Nitroethylene (source code)

= Nitroethylene
{title2=$\mathrm{CH_2{=}CHNO_2}$}

$\mathrm{CH_2{=}CHNO_2}$, an electron-poor <alkene> that can serve as a dienophile. Conversion of a resulting secondary nitro group to a <ketone> can connect a Diels–Alder reaction to a <Nef reaction>.