Table 1. Ligand Chirality and Substituents Leading to Chirality Induction-At-Metal in Bis[(R or S)-N-1-(p-X-C6H4)ethyl-2-oxo-1-naphthaldiminato-κ2N,O]-Λ- or Δ-M(II) in the Solid State and Solution.
complex [M-(R or S-L)] | ligand substituent (X) | ligand chirality → induction-at-metal in the solid state | ligand chirality → induction-at-metal in solution | ref |
---|---|---|---|---|
M = Co | H (A/B)a | S → Δ, R → Λ | S → Δ, R → Λ | this work |
p-CH3O | R → Λ | R → Λ | ||
p-Br (A/B)a | S → Δ | S → Δ | ||
M = Cu | H | S → Δ, R → Λ | S → Δ, R → Λ | (20) |
m-CH3Ob | R → Λ/Δ | |||
p-Br | R → Λ | R → Λ | ||
M = Ni | H (A/B)a | S → Δ, R → Λ | S → Δ, R → Λ | (21) |
M = Zn | H (A/B)a | S → Δ, R → Λ | S → Δ, R → Λ | (26) |
p-CH3O (A/B)a | S → Δ, R → Λ | S → Δ, R → Λ |
Two symmetry-independent molecules A and B in an asymmetric unit with a single diastereomer (Λ or Δ).
Diastereomeric mixture with opposite Λ and Δ configurations in a single enantiopure crystal.