Mixture of bisphosphites having an open and a closed outer unit and the use thereof as a catalyst mixture in hydroformylation
Mixture of bisphosphites having an open and a closed outer unit and the use thereof as a catalyst mixture in hydroformylation.
1. A mixture comprising the compounds (1A) and (1B):
2. The mixture according to claim 1 ,
wherein the content of compound (1A) is in a range from 99.5% to 0.5% by mass and the content of compound (1B) is in a range from 0.5% to 99.5% by mass.
3. The mixture according to claim 1 ,
wherein the content of compound (1A) is in a range from 75% to 25% by mass and the content of compound (1B) is in a range from 25% to 75% by mass.
4. The mixture according to claim 1 ,
wherein the content of compound (1A) in terms of % by mass is greater than the content of compound (1B).
5. A composition comprising a mixture according to claim 1 and a substance comprising a metal selected from: Rh, Ru, Co or Ir.
6. A process comprising the process steps of:
a) initially charging an olefin,
b) adding a mixture according to claim 1 and a substance comprising a metal selected from: Rh, Ru, Co or Ir,
c) supplying H 2 and CO, and
d) heating the reaction mixture from steps a) to c), to convert the olefin into an aldehyde.