Phosphine derivative and polymer thereof and transition metal complex comprising the same

摘要

Disclosed are a phosphine derivative represented by formula (I): wherein Ar represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group, a transition metal complex comprising the phosphine derivative or a polymer thereof as a ligand, and a process for producing an optically active amino acid compound by asymmetric hydrogenation using the transition metal complex as a catalyst.