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Issue 6, 2014
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Hydrazone-based switches, metallo-assemblies and sensors

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Abstract

The hydrazone functional group has been extensively studied and used in the context of supramolecular chemistry. Its pervasiveness and versatility can be attributed to its ease of synthesis, modularity, and most importantly unique structural properties, which enable its integration in different applications. This review provides an overview of the utilization of hydrazones in three supramolecular chemistry related areas: molecular switches, metallo-assemblies and sensors. These topics were chosen because they highlight the diversity of hydrazones, and emphasize their uniqueness vis-à-vis the imine functional group. Discussion entails (i) chemical and light activated switching of hydrazones, and how this can be used in controlling the properties of self-assembled systems, (ii) the use of hydrazones in the formation of dynamic and stimuli responsive metallogrids, and (iii) the use of hydrazones in detecting metal cations (Zn2+, Cu2+, Hg2+, etc.), anions (F, CN, P2O74−, etc.) and neutral molecules (amines, water, Cys, etc.).

Graphical abstract: Hydrazone-based switches, metallo-assemblies and sensors

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Article information


Submitted
28 Oct 2013
First published
16 Jan 2014

This article is Open Access

Chem. Soc. Rev., 2014,43, 1963-1981
Article type
Review Article

Hydrazone-based switches, metallo-assemblies and sensors

X. Su and I. Aprahamian, Chem. Soc. Rev., 2014, 43, 1963 DOI: 10.1039/C3CS60385G

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