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Chemistry. 2013 Nov 25;19(48):16263-71. doi: 10.1002/chem.201301737. Epub 2013 Oct 21.

Chirality induction by formation of assembled structures based on anion-responsive π-conjugated molecules.

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  • 1College of Pharmaceutical Sciences, Ritsumeikan University, Kusatsu 525-8577 (Japan), Fax: (+81) 77-561-2659.


Anion-responsive π-conjugated compounds having chiral alkyl chains were synthesized. Circular dichroism (CD) and circularly polarized luminescence (CPL) were observed in the solution-state assemblies of the chiral anion receptors and those of their anion complexes as salts of a planar triazatriangulenium cation. The CD and CPL spectral patterns of the ion-pair-based assemblies were completely opposite to those of the anion-free assemblies, and this suggests that anion binding and subsequent ion pairing change the chirality of the assembly modes.

Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.


anion receptors; chirality; ion pairs; stacking interactions; supramolecular chemistry

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