Patent ID: 8618335
Filing Date: 2013-12-31
Classification: C07C

Abstract:
1. A process for preparing an aromatic aldehyde compound represented by the formula (2); wherein R represents a halogen atom, a hydrocarbon group having 1 to 12 carbon atoms, an alkyloxy group having 1 to 12 carbon atoms, a phenyloxy group, a naphthyloxy group, a benzyloxy group or a phenethyloxy group, each group of which may have a substituent(s); n is an integer of 0 to 5; and when n is 2 or more, Rs may form a ring by combining with each other, which comprises reacting an aromatic methyl alcohol compound represented by the formula (1); wherein R and n have the same meanings as defined above, and a peroxide under a pH value of a reaction solution being pH 0.5 or higher and less than 9, in the presence of at least one metallic compound of a molybdenum compound, and at least one salt selected from a quaternary ammonium salt and an organic phosphonium salt, wherein the aromatic aldehyde compound of the formula (2) is at least one selected from the group consisting of the following formulae (4) to (7): wherein R