Patent ID: 11925926
Assignee: EVONIK OXENO GMBH & CO. KG
Field: Organic fine chemistry (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A process comprising:
a) adding an ethylenically unsaturated compound to form a reaction mixture;
b) adding to the reaction mixture a platinum complex having a ferrocene-diphosphine ligand of formula (I), where
R1, R2, R, and R4 are each independently selected from —(C1-C12)-alkyl, —(C6-C20)— or heteroaryl or
adding to the reaction mixture the ligand of formula (I) and a Pt compound;

c) adding to the reaction mixture an acid;
d) feeding into the reaction mixture CO;
e) heating the reaction mixture formed from a) to d), to convert the ethylenically unsaturated compound to a carboxylic acid.