Engineering an iridium-containing metal-organic molecular capsule for induced-fit geometrical conversion and dual catalysis

By introducing photoactive fac -tris(2-phenylpyridine)iridium moieties as a ligand backbone to constrain the coordination geometry of cobalt ions, a multifunctional Ir 2 Co 3 -type capsule was achieved and showed induced-fit capsule-capsule conversion by cooperative binding one carbonate anion with...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2016-08, Vol.52 (62), p.9628-9631
Main Authors: Li, Xuezhao, Wu, Jinguo, Chen, Liyong, Zhong, Xiaoming, He, Cheng, Zhang, Rong, Duan, Chunying
Format: Article
Language:English
Subjects:
Activation
Binding
Carbonates
Catalysis
Cobalt
Conversion
Ligands
Transition metals
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Summary:By introducing photoactive fac -tris(2-phenylpyridine)iridium moieties as a ligand backbone to constrain the coordination geometry of cobalt ions, a multifunctional Ir 2 Co 3 -type capsule was achieved and showed induced-fit capsule-capsule conversion by cooperative binding one carbonate anion with the equatorial Co( ii ) centers. The capsule combined photocatalysis and transition metal activation synergistically and exhibited efficient catalytic ability on visible light-activated α-trichloromethylation. Quantitative dynamic capsule-capsule conversion by cooperative binding one carbonate anion and switchable dual catalysis was achieved within an Ir 2 Co 3 -type capsule.
ISSN:1359-7345
1364-548X
DOI:10.1039/c6cc04647a