Procedimiento para producir un compuesto de aldehído aromático

摘要

An object of the present invention is to provide an industrially advantageous process for preparing a benzaldehyde compound from a benzyl alcohol compound with high yield.
The present invention relates to a process for preparing an aromatic aldehyde compound represented by the formula (2);
which comprises reacting an aromatic methyl alcohol compound represented by the formula (1);
and a peroxide under a pH value of a reaction solution being pH 0.01 or higher and less than 10 in the presence of at least one or more metallic compound selected from a molybdenum compound and a tungsten compound, a quaternary ammonium salt and an organic phosphonium salt.