Issue 1, 2023

Dinuclear mono-bridged or polymeric lanthanide complexes from one ligand: structural transformation and chiral induction

Abstract

We designed and synthesized a semi-rigid bis-tridentate ligand L which could undergo a trans-to-cis conformational transition when coordinated onto lanthanum ions through the rotation of the single bond on the central terphenyl bridge. By adjusting the metal/ligand ratio, a single-ligand bridged dinuclear complex La2L3 and an infinitely extending two-dimensional layered metal organic polymer (La2L2)n can be obtained. Through the induction of the chiral auxiliary ligand GR/S, these two achiral assemblies could both be transformed into the chiral mononuclear three-component complex LaLGR/S. In addition, we also realized a linear ee sensing for the auxiliary ligand by induced circular dichroism.

Graphical abstract: Dinuclear mono-bridged or polymeric lanthanide complexes from one ligand: structural transformation and chiral induction

Supplementary files

Article information

Article type
Paper
Submitted
17 Oct 2022
Accepted
20 Nov 2022
First published
21 Nov 2022

Dalton Trans., 2023,52, 37-43

Dinuclear mono-bridged or polymeric lanthanide complexes from one ligand: structural transformation and chiral induction

R. Chen, Q. Yan, S. Hu, X. Guo, L. Zhou and Q. Sun, Dalton Trans., 2023, 52, 37 DOI: 10.1039/D2DT03351H

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