Article (Scientific journals)
Chirality in Dynamic Supramolecular Nanotubes Induced by a Chiral Solvent
Isare, B.; Linares, M.; Zargarian, L. et al.
2010In Chemistry, 16 (1), p. 173-177
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Abstract :
[en] Amplification of chirality has been reported in polymeric systems. It has also been shown that related effects can occur in polymer-like dynamic supramolecular aggregates, if a subtle balance between noncovalent interactions allows the coupling between a chiral information and a cooperative aggregation process. In this context, we report a strong majority-rules effect in the formation of chiral dynamic nanotubes from chiral bisurea monomers. Furthermore, similar helical nanotubes (with the same circular dichroism signature) can be obtained from racemic monomers in a chiral solvent. Competition experiments reveal the relative strength of the helical bias induced by the chiral monomer or by the chiral solvent. The nanotube handedness is imposed by the monomer chirality, whatever the solvent chirality. However, the chirality of the solvent has a significant effect on the degree of chiral induction.
Disciplines :
Chemistry
Physics
Author, co-author :
Isare, B.
Linares, M.
Zargarian, L.
Fermandjian, S.
Miura, M.
Motohashi, S.
Vanthuyne, N.
Lazzaroni, Roberto ;  Université de Mons > Faculté des Sciences > Service de Chimie des matériaux nouveaux
Bouteiller, L.
Language :
English
Title :
Chirality in Dynamic Supramolecular Nanotubes Induced by a Chiral Solvent
Publication date :
04 January 2010
Journal title :
Chemistry
ISSN :
0947-6539
Publisher :
John Wiley & Sons, United Kingdom
Volume :
16
Issue :
1
Pages :
173-177
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S817 - Chimie des matériaux nouveaux
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
Commentary :
Publié en ligne le 11 novembre 2009 Lecture en ligne: http://onlinelibrary.wiley.com/doi/10.1002/chem.200902399/pdf
Available on ORBi UMONS :
since 10 June 2010

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