Patent ID: 6956133

Claim:
A process for hydroformylating an olefin having from 3 to 16 carbon atoms, in the presence of a rhodium catalyst, wherein the rhodium catalyst comprises rhodium and at least one diphosphine ligand of formula where R=3,5-C 6 H 3 F 2 ; —C 6 F 5 ; 2,4,5-C 6 H 2 F 3 , 3,5-C 6 H 3 (CF 3 ) 2 ; 3,5-C 6 H 3 (CH 3 ) 2 or 3,4,5-C 6 H 2 F 3 , and the n/i selectivity of the aldehydes obtained by said hydroformylating is above 85:15.