Journal
CHEMICAL COMMUNICATIONS
Volume 51, Issue 87, Pages 15772-15775Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc06041a
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Funding
- Agence National de la Recherche [ANR-12-BS07-0014-01]
- CNRS
- University of Strasbourg
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Viologens can exist in three redox states varying from dicationic to neutral. This work emphasizes the control of the host-guest properties in bis-viologen cyclophanes. Two flexible cyclophanes were prepared by a cyclisation method sensitive to the odd/even number of carbons in the flexible chains linking two viologens. C5 and C7 cyclophanes were characterised by X-ray diffraction in their tetracationic state and their diradical dicationic state. In the presence of tetrathiafulvalene or methyl viologen as guests, inclusion complexes were obtained, including a mixed valence species.
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