Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 18741-85-0, molcular formula is C20H16N2, introducing its new discovery. Safety of (R)-[1,1′-Binaphthalene]-2,2′-diamine
Asymmetric cyclopropanation and aziridination reactions of olefins catalyzed by Cu(I)-binaphthyldiimine complexes
The chiral Cu(I)-N,N?-bis(2,6-dichlorobenzylidene)-1,1?-binaphthyl-2, 2?-diamine complex was found to be an efficient catalyst for asymmetric cyclopropanation and aziridination reactions of olefins with l-menthyl diazoacetate and [N-(p-tolylsulfonyl)imino]phenyliodinane, respectively. Among mono- and disubstituted olefins, 1,1-diarylethylenes showed extremely high enantioselectivities (up to 98% ee) in the cyclopropanation reactions in the presence of a chiral Cu(I)-catalyst (2 mol%). In the case of aziridination reactions catalyzed by the same Cu(I)-catalyst (10 mol%), the reaction of trans-substituted 3-aryl-2-propenoates and 1-substituted trans-3-aryl-2-propen-1-ones showed satisfactory results in term of the enantioselectivities (up to 98% ee).
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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI