Anion-Free Bambus[6]uril and Its Supramolecular Properties
Jan Svec
1
,
M. Dušek
2
,
K. Fejfarová
2
,
Ben L. Feringa
1
,
Petr Klán
3
,
Angel E Kaifer
4
,
Wei Li
4
,
Edita Hudeckova
1
,
V Sindelar
3
Publication type: Journal Article
Publication date: 2011-04-11
scimago Q1
wos Q2
SJR: 0.981
CiteScore: 6.7
Impact factor: 3.7
ISSN: 09476539, 15213765
PubMed ID:
21484899
General Chemistry
Catalysis
Organic Chemistry
Abstract
Methods for the preparation of anion-free bambus[6]uril (BU6) are presented. They are based on the oxidation of iodide anion, which is bound inside the macrocycle, utilizing dark oxidation by hydrogen peroxide or photooxidation in the presence of titanium dioxide. Anion-free BU6 was found to be insoluble in any of the investigated solvents; however, it dissolves in methanol/chloroform (1:1) or acetonitrile/water (1:1) mixtures in the presence of the tetrabutylammonium salt of a suitable anion. The association constants with halide ions, BF(4)(-), NO(3)(-), and CN(-), were measured by (1)H NMR spectroscopy. The highest association constant (8.9×10(5) M(-1)) was found for the 1:1 complex of BU6 with I(-) in acetonitrile/water mixture. A number of crystal structures of BU6 complexes with various anions were obtained. The influence of the anion size on the macrocycle diameter is discussed together with an unusual arrangement of the macrocycles into separate layers.
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Total citations:
83
Citations from 2025:
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(2.41%)
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Svec J. et al. Anion-Free Bambus[6]uril and Its Supramolecular Properties // Chemistry - A European Journal. 2011. Vol. 17. No. 20. pp. 5605-5612.
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Svec J., Dušek M., Fejfarová K., Feringa B. L., Klán P., Kaifer A. E., Li W., Hudeckova E., Sindelar V. Anion-Free Bambus[6]uril and Its Supramolecular Properties // Chemistry - A European Journal. 2011. Vol. 17. No. 20. pp. 5605-5612.
Cite this
RIS
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TY - JOUR
DO - 10.1002/chem.201003683
UR - https://doi.org/10.1002/chem.201003683
TI - Anion-Free Bambus[6]uril and Its Supramolecular Properties
T2 - Chemistry - A European Journal
AU - Svec, Jan
AU - Dušek, M.
AU - Fejfarová, K.
AU - Feringa, Ben L.
AU - Klán, Petr
AU - Kaifer, Angel E
AU - Li, Wei
AU - Hudeckova, Edita
AU - Sindelar, V
PY - 2011
DA - 2011/04/11
PB - Wiley
SP - 5605-5612
IS - 20
VL - 17
PMID - 21484899
SN - 0947-6539
SN - 1521-3765
ER -
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BibTex (up to 50 authors)
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@article{2011_Svec,
author = {Jan Svec and M. Dušek and K. Fejfarová and Ben L. Feringa and Petr Klán and Angel E Kaifer and Wei Li and Edita Hudeckova and V Sindelar},
title = {Anion-Free Bambus[6]uril and Its Supramolecular Properties},
journal = {Chemistry - A European Journal},
year = {2011},
volume = {17},
publisher = {Wiley},
month = {apr},
url = {https://doi.org/10.1002/chem.201003683},
number = {20},
pages = {5605--5612},
doi = {10.1002/chem.201003683}
}
Cite this
MLA
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Svec, Jan, et al. “Anion-Free Bambus[6]uril and Its Supramolecular Properties.” Chemistry - A European Journal, vol. 17, no. 20, Apr. 2011, pp. 5605-5612. https://doi.org/10.1002/chem.201003683.