2 2
Preparation
of
Aldehydes
Similarly, esters are also reduced to aldehydes with DIBAL-H 3 From hydrocarbons
Aromatic aldehydes (benzaldehyde and its derivatives) are prepared
from aromatic hydrocarbons by the following methods:
(i) By oxidation of methylbenzene
Strong oxidising agents oxidise toluene and its derivatives to
benzoic acids