for the following products
(1R,2R)-(+)-N,N'-bis(2-diphenylphosphinobenzoyl)-1,2-diaminocyclohexane | (1R,2R)-N,N'-(Cyclohexane-1,2-diyl)bis(2-(diphenylphosphino)benzamide) | (R,R)-Dach-phenyl trost ligand and (1R,2R)-(+)-1,2-diaminocyclohexane-N,N'-bis-(2'-di-phenylphosphinobenzoyl)
