METHOD FOR THE PRODUCTION OF 2-PROPYLHEPTANOL AND HYDROFORMYLATING CATALYSTS AND THE FURTHER USE THEREOF FOR CARBONYLATION, HYDROCYANATION AND HYDROGENATION

摘要

The invention relates to a method for the production of 2-propylheptanol, comprising the hydroformylation of butene, aldol condensation of the hydroformylation product thus obtained and the catalytic hydrogenation thereof. The invention also relates to novel catalysts for the hydroformylation step and to the further use thereof for carbonylation, hydrocyanation and hydrogenation based on a complex of a metal of the VIIIth subgroup with at least one ligand of general formula (1), wherein respectively two adjacent radicals R<1>,R<2>,R<3> and R<4> together with the carbon atoms of the pyrool ring to which they are bound can also represent a condensed ring system with 1,2 or 3 other rings, with the proviso that at least one of the radicals R<1>,R<2>,R<3> and R<4> do not represent hydrogen and R<5> and R<6> are not joined to each other, R<5> and R<6 >independently from each other represent cylcoalkyl, heterocycloalkyl, aryl or heteroaryl, whereby one of the radicals R<5> or R<6> can also represent a bivalent bridging group Y binding similar or different ligands of formula (I) to each other in a covalent manner, and a and b independently from each other represent 0 or 1. .