Patent ID: 6225508
Filing Date: 2001-05-01
Classification: B01J,C07C

Abstract:
A process for preparing linear and branched aliphatic monoaldehydes having from 6 to 21 carbon atoms and cyclic aliphatic monoaldehydes having from 6 to 13 carbon atoms by reacting linear and branched aliphatic monoolefins having from 5 to 20 carbon atoms or cyclic olefins having from 5 to 12 carbon atoms with a carbon monoxide/hydrogen gas mixture using a rhodium catalyst, wherein the reaction is carried out in a heterogeneous phase by means of a rhodium (tripolyethylene glycolate) of a polyethylene glycol having a mean molecular weight of from 320 to 650 at a temperature of from 50 to 150.degree. C. and a pressure of from 60 to 200 bar.