A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Product Details of 18741-85-0, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 18741-85-0, Name is (R)-[1,1′-Binaphthalene]-2,2′-diamine, molecular formula is C20H16N2. In a Article, authors is Setnicka, Vladimir，once mentioned of 18741-85-0
Absorption and vibrational circular dichroism (VCD) spectra of six 1,1?-binaphthyl derivatives were measured and analyzed on the basis of ab initio modeling. The spectra of both enantiomers were recorded with a high signal-to-noise ratio. The BPW91/6-31G** density functional theory level and the gauge invariant atomic orbitals were used for the simulations of VCD intensities. The binaphthyl moiety behaves as a chiral chromophore with a strong VCD signal because the 1,1?-substitution hinders its rotation. Most of the VCD bands were assigned, and the contributions of the binaphthyl skeleton and the functional groups could be clearly distinguished. Distinct VCD characteristics were found for the compounds exhibiting C2 and C1 symmetry. A very good agreement between the calculated and experimental spectra was observed. Apart from indication of enantiomeric purity, the spectra contain readable information about molecular conformation. The dihedral angle between the naphthyls planes, equal to about 55 when naphthyl residues were connected with PO4 covalent bridge, was found close to 90 for all the other derivatives.
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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI