C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/716 (2006.01) C07C 67/347 (2006.01) C07C 67/38 (2006.01)
Patent
CA 2139521
The invention relates to a process for the preparation of a 5-formylvalerate ester by hydroformylating a mixture of pentenoate esters in the presence of a catalyst system which catalyst system comprises a metal from group 8-10 of the Periodic Table of Elements and a mono- or multidentate organic phosphorous ligand, wherein the mixture of pentenoate esters contains less than 500 ppm hydroperoxide compounds.
Hansen Carolina B.
Teunissen Antonius J. J. M.
Dsm N.v.
E. I. Du Pont de Nemours And Company
Fetherstonhaugh & Co.
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