Identify the reagent ' $R$ ' used in the following reaction.
Identify the reagent ' $R$ ' used in the following reaction.
$\mathrm{CO}, \mathrm{HCl}$
$\mathrm{H}_2$, $\mathrm{Pd}-\mathrm{BaSO}_4$
$\mathrm{H}_2 \mathrm{O}$
DIBAL-H
Solution
Acyl chloride is reduced to corresponding aldehyde by hydrogen using a palladium catalyst poisoned with barium sulfate. This reaction is known as Rosenmund reduction.
