Copper-Catalyzed Asymmetric Borylative Ring Opening of Diazabicycles was written by Lee, Hyesu;Han, Jung Tae;Yun, Jaesook. And the article was included in ACS Catalysis in 2016.HPLC of Formula: 174467-31-3 This article mentions the following:
Highly enantioselective, copper-catalyzed ring opening of bicyclic hydrazines using a diboron reagent was accomplished with (R,R)-taniaphos as a chiral ligand. Desymmetrization of various bicyclic hydrazines by boryl substitution afforded 3-Bpin-4-hydrazino-cyclopentene derivatives with enantioselectivity up to >99% under mild conditions. The resulting allylic boron products were utilized in further organic transformations. Kinetic resolution of a racemic bicyclic oxazine gave useful information about the relative rates of C-O and C-N bond cleavage. In the experiment, the researchers used many compounds, for example, (R,R)-2,2′-Bis[(R)-(N,N-dimethylamino)(phenyl)methyl]-1,1′-bis(diphenylphosphino)ferrocene (cas: 174467-31-3HPLC of Formula: 174467-31-3).
(R,R)-2,2′-Bis[(R)-(N,N-dimethylamino)(phenyl)methyl]-1,1′-bis(diphenylphosphino)ferrocene (cas: 174467-31-3) belongs to chiral phosphine ligands. Phosphine-catalyzed asymmetric reactions are now powerful and versatile tools for the construction of C–C, C–N, C–O, and C–S bonds and for the syntheses of functionalized carbocycles and heterocycles. Indeed, very little research on chiral tertiary phosphine-catalyzed asymmetric reactions occurred prior to the year 2000.HPLC of Formula: 174467-31-3
Referemce:
Phosphine ligand,
Chiral phosphines in nucleophilic organocatalysis