| abstract |
Process for the preparation of aldehydes ABSTRACT OF THE TECHNICAL CONTENT OF THE INVENTION The process for che preparation of an aldehyde of formula R-CHO in which n is an alkyl group of Cl-C7 comprises according to the invention the reaction on an alkyl formate of formula N-COOR in which R has the meaning given above, of a gas constituted mainly by CO, in the presence of a) a catalyst based on a metal chosen from among Rh, Ru, Ir mixture of them or a mixture of Rh and/or Ru and/or ir with Co, Nl or Fe, b) a promoter chosen from among iodides and mixtures of covalent compounds of iodine and a phosphine or a tertiary amine, c) a solvent consisting of a cyclic N-alkyl amide. |