Process for the hydroformylation of certain acrylic acid...

Details Process for the hydroformylation of certain acrylic acid... Process for the hydroformylation of certain acrylic acid...

C - Chemistry, Metallurgy

07

C

260/488.1

C07C 67/38 (2006.01) C07C 69/716 (2006.01)

Patent

CA 1319702

T 329 FF ABSTRACT PROCESS FOR THE HYDROFORMYLATION OF CERTAIN ACRYLIC ACID DERIVATIVES A process for the hydroformylation of a compound of general formula R1 - CH = ? - ? O - R2 I wherein R1 represents a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms and R2 represents an alkyl group having from 1 to 18 carbon atoms, which comprises hydroformylating the compound of general formula I with carbon monoxide and hydrogen in the liquid phase in the presence of a homogeneous catalyst system comprising a) a rhodium compound and b) one or more triphenylphosphites, the phenyl groups of which may optionally be substituted by halogen, alkyl having from 1 to 6 carbon atoms, alkoxy having from 1 to 6 carbon atoms, carboxy or cyano, at a temperature in the range of from 50 to 100°C and a pressure in the range of from 3 to below 100 bars. PS01026

576133

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