Abstract
The stereochemical-at-metal complexes Δ- and Λ-[Ir(ppy)<sub>2</sub>(<sup><i>S,R</i></sup><b>L</b>)]BF<sub>4</sub>, where <sup><i>S,R</i></sup><b>L</b> is a bpy ligand substituted at the 6-position with a chiral diamine or derivative thereof, have been prepared and fully characterized by a combination of empirical and theoretical methods. The differing solubility of the Δ and Λ parent diastereomers in acetone allowed their ready separation. Further functionalization of an external amino group occurred with complete retention of absolute configuration and gave systems capable of binding to a second metal. The facility to coordinate other metals was explored by using in situ <sup>1</sup>H NMR experiments with ZnI<sub>2</sub>. Coordination shifts were seen in the <sup>1</sup>H NMR spectra, confirming the coordination of Zn(II) and showcasing the potential of the complexes as flexible platforms for the construction of asymmetric bimetallics.
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- 2025
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Paul D. Newman,
James A. Platts,
Simon J. A. Pope
et al.
(2025).
Stereogenic-at-Metal Ir(III) Complexes as Platforms for the Construction of Asymmetric Bimetallic Complexes.
Inorganic Chemistry
.
https://doi.org/10.1021/acs.inorgchem.5c04469
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- DOI
- 10.1021/acs.inorgchem.5c04469