119751-64-3

Downstream Products

• 119751-58-5 (2S,4S)-N-tert.-butoxycarbonyl-4-bis(2-methoxyphenyl)phosphino-2-bis(2-methoxyphenyl)phosphinomethylpyrrolidine 
• 123373-15-9 (2S,4S)-2-{[Bis-(2-methoxy-phenyl)-phosphanyl]-methyl}-4-dicyclohexylphosphanyl-pyrrolidine-1-carboxylic acid tert-butyl ester 
• 119789-04-7 (2S,4S)-N-tert.-butoxycarbonyl-2-bis(2-methoxyphenyl)phosphinylmethyl-4-bis(4-methoxyphenyl)phosphinylpyrrolidine 
• 120481-30-3 (2S,4S)-N-tert.-butoxycarbonyl-2-bis(2-methoxyphenyl)phosphinomethyl-4-bis(4-methoxyphenyl)phosphinopyrrolidine 
• 119751-63-2 (2S,4S)-2-bis(2-methoxyphenyl)phosphinylmethyl-4-bis(4-methoxyphenyl)phosphinylpyrrolidine 

Relevant academic research and scientific papers

Preparation of biphosphine ligands for incorporation into catalytic complexes

This invention relates to processes for making phosphorus compounds R2P—X—PR2, R2P—M, R2P—L and R3P, and the novel cation R2P+(L)—X—P+(L)R2, where R represents an optionally substituted hydrocarbyl group, X represents a bridging group, L represents a leaving group and M represents an alkali metal atom. The invention relates further to a process for making a compound R2P—L from a compound R—H via a new process for making the compound R—Li followed by its reaction with a compound Hal2P—L. The compound R2P—X—PR2is a ligand suitable for making catalysts for copolymerizing carbon monoxide and a olefinically unsaturated compound.