Patent ID: 9687837
Date: 2017-06-27
CPC Classifications: B01J,C07C,C07F

Claim:
1. A process for producing aldehydes, comprising contacting an olefin, with hydrogen and carbon monoxide in the presence of a catalyst composition to produce aldehydes, wherein the catalyst composition comprises a rhodium source and a tetradentate ligand, said tetradentate ligand comprising the following structure: R=aryl, arylalkyl, alkyl-substituted-aryl, hydrocarbyl alkyl, R optionally being substituted with heteroatom and other functional groups; R′=aryl, arylalkyl, alkyl-substituted-aryl, hydrocarbyl alkyl, R′ optionally being substituted with heteroatom and other functional groups; R″=H, aryl, tertiary-butyl and heteroatom and other functional groups; Heteroatom and other functional groups=F, thioethers, aryl or alkyl ethers, esters bound through the single oxygen bond, CF3, carboxylic acid esters, carboxylic amides and alkali metal salts of sulfonic acid; P=Phosphorus Atom.