Journal
CHEMICAL SOCIETY REVIEWS
Volume 42, Issue 4, Pages 1825-1835Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cs35295h
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Funding
- Core Research for Evolutional Science and Technology (CREST) program of Japan Science and Technology Agency (JST), Japan
- JSPS KAKENHI [22350065]
- Grants-in-Aid for Scientific Research [22350065] Funding Source: KAKEN
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Structural dynamism plays important roles in artificial and biological systems, because it controls structures and functions of various molecules and assemblies. In this review, molecular recognition and self-assembling behavior of dynamic armed cyclen-metal complexes are discussed at the molecular and supramolecular levels. These metal complexes provide useful platforms for molecular receptors, supramolecules, and molecular assemblies that can respond rapidly to guest molecules and environments. Since armed cyclens have many structural and geometrical variations, they form a wide variety of metal complexes having specific sensing and signaling functions. The Lewis acidity of the metal cations plays an essential role in anion binding and in hydrolytic catalysis of phosphate esters. Characteristic luminescence and magnetic properties of lanthanides also enable techniques for effective bio-imaging. They also serve as chiral building blocks for self-assembled architectures, which offer chirality integration effective for chirality sensing and signaling at the supramolecular level.
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