| abstract |
Olefin hydroformylation catalyst compositions and hydroformylation processes are disclosed. Described composition comprises (a) formula (I) catalyst, wherein, R 11 -R 35 is hydrogen or C 1-20 alkyl, M is selected from rhodium, cobalt, iridium, ruthenium, iron, nickel, palladium, platinum, Osmium or a combination thereof; (b) a monophosphite of formula (II) or a mixture thereof with an oxide of formula (III), wherein R' 11 -R' 35 and R" 11 -R" 35 are each independently Selected from hydrogen or C 1-20 alkyl; and (c) C 1-20 alkyl substituted triphenylphosphine; based on 1 mole of component (a), the amount of component (b) is 1- 10 moles, the amount of component (c) is 5-10 moles. |