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Issue 15, 2014
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Application of electronic circular dichroism in the study of supramolecular systems

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Abstract

Chiral supramolecular architectures constitute crucial structural and functional elements in living systems and have been long mimicked by chemists to synthesize new artificial systems endowed with desired properties and functions. Among several techniques to study noncovalent chiral assemblies or aggregates, electronic circular dichroism (ECD) plays a key role because many mechanisms responsible for the appearance of ECD bands occur through space, and therefore are intrinsically sensitive to intermolecular interactions, from short to long-range. The aim of this tutorial review is to emphasize the different kinds of information which can be obtained specifically when chiral supramolecular species are characterized by means of ECD spectroscopy. We will survey several typical applications of ECD in the context of supramolecular chemistry, ranging from the simple detection of chiral aggregates or complexes, to the definition of stoichiometric ratios between the partners, the derivation of thermodynamic and kinetic parameters such as binding and rate constants, and ultimately to the refinement of the most plausible structure of the supramolecular species.

Graphical abstract: Application of electronic circular dichroism in the study of supramolecular systems

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Publication details

The article was received on 05 Mar 2014 and first published on 14 May 2014


Article type: Tutorial Review
DOI: 10.1039/C4CS00104D
Citation: Chem. Soc. Rev., 2014,43, 5211-5233
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    Application of electronic circular dichroism in the study of supramolecular systems

    G. Pescitelli, L. Di Bari and N. Berova, Chem. Soc. Rev., 2014, 43, 5211
    DOI: 10.1039/C4CS00104D

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