| 摘要 |
It is an object of the present invention to provide a production method of 2,4,5-trialkylbenzaldehyde from 1,2,4-tribenzaldehyde at low cost and safely. The present invention provides a production method of a 2,4,5-trialkylbenzaldehyde which comprises carbonylating a 1,2,4-trialkylbenzene with carbon monoxide in the presence of a catalyst, said catalyst comprising trifluoromethanesulfonic acid.
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