| abstract |
An aromatic carboxylic acid, aromatic aldehyde, and aromatic alcohol are simultaneously and efficiently prepared by liquid phase oxidizing an aromatic compound represented by formula (I) with a gas containing molecular oxygen, in a presence of a catalyst comprising a transition metal compound, a tertiary amine and a bromide compound:n wherein each R, independently, is C 1-18 alkyl, C 6-18 aryl, C 6-18 aralkyl, halogen, haloalkyl, OR 1 , SR 1 , SOR 1 , SO 2 R 2 , NO 2 , NR 1 R 2 , CH 2 OR 1 , CH(OR 1 )(OR 2 ), C(OR 1 (OR 2 )(OR 3 ), COR 1 or COCOR 1 (wherein each of R 1 , R 2 and R 3 , independently, is selected from C 1-18 alkyl, C 6-18 aryl and hydrogen). |