39 results about "Diphenylethylenediamine" patented technology

1,2-Diphenyl-1,2-ethylenediamine is an organic compound with the formula H₂NCHPhCHPhNH₂, where Ph is C₆H₅, phenyl. This diamine is a precursor to a ligand for certain homogeneous hydrogenation catalysts. It can be prepared from benzil by reductive amination.