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1. Chiral Ligands
Source page: https://www.solutions.bocsci.com/chiral-ligands.htm
A logical extension about the application of chiral ligands in
stereoselective catalysis has been developed. In general, ligands design
in asymmetric catalysis is guided by several simple concepts and
principles. For instance, the design of chiral ligands is frequently based
on C2-symmetry in order to reduce the number of diastereomeric
intermediates and transition states which play a role in the catalytic cycle.
This approach has been vindicated by the successful development of
several large families of (“privileged”) chiral ligands which nowadays
belong to the basic “tool kit” of asymmetric catalysis, such as chiral
diphosphines, salen derivatives and bisoxazolines. These privileged
families of ligands possess characteristic properties which lead to the
induction of high stereoselectivities in their catalytic reactions. As a
result, the syntheses of chiral ligands have evolved into a very dynamic,
rapidly growing area of research, attracting an increasing number of
chemists from various disciplines.
Below is a list of our available chiral Ligands (include but not
limited to the following):
Chiral N-heterocyclic carbene ligands
With a significant number of highly selective chiral catalysts based on
chiral NHCs, several general trends in the design of new
NHC-containing molecular catalysts for stereoselective transformations

2. in organic synthesis emerge. Six large families of chiral N-heterocyclic
carbine ligands have thus recently emerged: NHCs with N-substituents
containing centres of chirality; NHC ligands containing chiral elements
within the N-heterocycle; NHC ligands containing an element of axial
chirality; Carbenes containing an element of planar chirality; Carbenes
joined by a chiral trans-cyclohexanediamine ligand backbone; Carbenes
incorporating oxazoline units.
Chiral anionic ligands
Chiral phosphorus ligands
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syntheses of chiral ligands. We can provide a great deal of chiral ligands
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References
1. Tang, W., & Zhang, X. (2003). New chiral phosphorus ligands for
enantioselective hydrogenation. Chemical Reviews, 103(8), 3029-3070.
2. Gladiali, S., & Alberico, E. (2006). Asymmetric transfer hydrogenation:
chiral ligands and applications. Chemical Society Reviews, 35(3), 226-236.
3. Wang, X., Wei, C., Su, J. H., He, B., Wen, G. B., Lin, Y. W., & Zhang, Y.
(2018). A Chiral Ligand Assembly That Confers One‐Electron O2
Reduction Activity for a Cu2+‐Selective Metallohydrogel. Angewandte
Chemie, 130(13), 3562-3566.