CPC C07C 45/50 (2013.01) | 20 Claims |
1. A method for producing m-dialkylbenzaldehyde of formula (3), comprising:
contacting a reaction starting material with carbon monoxide in a presence of a Bronsted acid and a Lewis acid such that the carbon monoxide reacts on the reaction starting material which comprises either 1,4-dialkylbenzene of formula (1), or a mixture of 1,4-dialkylbenzene of the formula (1) and 1,3-dialkylbenzene of formula (2), the mixture comprising 10 mol % or more of the 1,4-dialkylbenzene,
![]() wherein R1 is a methyl group or an ethyl group, and R2 is a chain or cyclic alkyl group having 3 to 6 carbon atoms and has a tertiary carbon at the benzyl position.
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