Controlling ligand binding for tunable and switchable catalysis: cation-modulated hemilability in pincer-crown ether ligands

Methods for in situ reversible control over ligand binding processes at transition metal complexes can enable advances in switchable and tunable catalysis. After a brief overview of different approaches to controlling ligand binding, this Perspective details the development of "pincer-crown eth...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2017-09, Vol.46 (36), p.11987-12
Main Author: Miller, Alexander J. M
Format: Article
Language:English
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Summary:Methods for in situ reversible control over ligand binding processes at transition metal complexes can enable advances in switchable and tunable catalysis. After a brief overview of different approaches to controlling ligand binding, this Perspective details the development of "pincer-crown ether" ligands that contain a rigid pincer backbone and a hemilabile aza-crown ether unit that enables cation-modulated hemilability. Applications of pincer-crown ether complexes in small molecule activation and catalysis are discussed, culminating in a set of design principles for ligands capable of cation-modulated ligand binding. The development of cation-responsive "pincer-crown ether" complexes featuring tunable hemilability is reviewed in the context of switchable and tunable catalysis.
ISSN:1477-9226
1477-9234
DOI:10.1039/c7dt02156a