Diisobutylaluminium hydride
= Diisobutylaluminium hydride
{title2=$\mathrm{(iBu)_2AlH}$}
= DIBAL-H
{synonym}
$\mathrm{(iBu)_2AlH}$, a hydride reducing reagent. Low-temperature, controlled-stoichiometry reduction can convert an <ester> into an <aldehyde> or a <lactone> into a <lactol>; conditions must prevent further reduction.