| abstract |
The present invention relates to a process for preparing adipic acid by reaction of water and carbon monoxide with at least one pentenic acid, in the presence of a catalyst based on iridium and minus an iodinated promoter, at an elevated temperature, under a pressure greater than atmospheric pressure, in a saturated or aromatic aliphatic carboxylic acid comprising a maximum of 20 carbon atoms, the atomic ratio I / Ir being less than 10. |