Issue 2, 2021

Construction of organometallic trefoil knots and one-dimensional chains featuring half-sandwich Cp*Rh corner units and an abnormal zwitterion ligand

Abstract

An abnormal O-coordinated zwitterionic ligand L was designed and applied to construct intricate supramolecular elements based on half-sandwich Cp*Rh units. This zwitterionic ligand has two stable conformations, C- and Z-shapes, which undergo self-adaptation when assembled with different building blocks. Two trefoil knots were obtained using dinuclear building blocks (Cp*Rh)2(1,4-DHATQ)(OTf)2 and (Cp*Rh)2(DHNAD)(OTf)2, in which the ligand L was observed to adopt its C-shaped conformation. In addition, two novel one-dimensional chains were constructed using the building blocks (Cp*Rh)2(1,5-DHATQ)(OTf)2 and (Cp*Rh)2(DHNTQ)(OTf)2. Only the Z-shaped conformation of ligand L was observed in these two 1D chains.

Graphical abstract: Construction of organometallic trefoil knots and one-dimensional chains featuring half-sandwich Cp*Rh corner units and an abnormal zwitterion ligand

Supplementary files

Article information

Article type
Research Article
Submitted
19 Okt. 2020
Accepted
10 Nov. 2020
First published
11 Nov. 2020

Org. Chem. Front., 2021,8, 231-238

Construction of organometallic trefoil knots and one-dimensional chains featuring half-sandwich Cp*Rh corner units and an abnormal zwitterion ligand

X. Gao, Z. Cui, Y. Lin and G. Jin, Org. Chem. Front., 2021, 8, 231 DOI: 10.1039/D0QO01279C

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