1
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Yoshinari N, Kuwamura N, Kojima T, Konno T. Development of coordination chemistry with thiol-containing amino acids. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214857] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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2
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Zhang ZH, Lin RL, Yu XY, Chen LX, Tao Z, Xiao X, Wei G, Redshaw C, Liu JX. Encapsulation of l-valine, d-leucine and d-methionine by cucurbit[8]uril. CrystEngComm 2022. [DOI: 10.1039/d1ce01513c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The binding interactions of cucurbit[8]uril (Q[8]) with l-valine, d-leucine, and d-methionine, both in aqueous solution and solid state, have been studied by 1H NMR spectroscopy and X-ray crystallography.
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Affiliation(s)
- Zeng-Hui Zhang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, P. R. China
| | - Rui-Lian Lin
- College of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan 243002, P. R. China
| | - Xiang-Yun Yu
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, P. R. China
| | - Li-Xia Chen
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, P. R. China
| | - Zhu Tao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, P. R. China
| | - Xin Xiao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, P. R. China
| | - Gang Wei
- CSIRO Mineral Resources, PO Box 218, Lindfield, NSW 2070, Australia
| | - Carl Redshaw
- Department of Chemistry, University of Hull, Hull HU6 7RX, UK
| | - Jing-Xin Liu
- College of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan 243002, P. R. China
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3
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Shan P, Lin R, Liu M, Tao Z, Xiao X, Liu J. Recognition of glycine by cucurbit[5]uril and cucurbit[6]uril: A comparative study of exo- and endo-binding. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.02.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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4
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Ramberg KO, Engilberge S, Guagnini F, Crowley PB. Protein recognition by cucurbit[6]uril: high affinity N-terminal complexation. Org Biomol Chem 2021; 19:837-844. [PMID: 33406171 DOI: 10.1039/d0ob02356f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The donut-shaped cucurbit[n]urils (Qn, n = 6-8) are rigid macrocyclic receptors with widespread use in protein recognition. To date, most applications have centred on the encapsulation of N-terminal aromatic residues by Q7 or Q8. Less attention has been placed on Q6, which can recognize lysine side chains due to its high affinity for alkylamines. In this work, we investigated protein-Q6 complexation by using NMR spectroscopy. Attempts to crystallize protein-Q6 complexes were thwarted by the crystallization of Q6. We studied four proteins that vary in size, net charge, and lysine content. In addition to Q6 interactions with specific Lys or dimethylated Lys residues, we report striking evidence for N-terminal recognition. High affinity (micromolar) binding occurred with the N-terminal Met-Lys motif present in one of the four model proteins. Engineering this feature into another model protein yielded a similar high affinity site. We also present evidence for Q8 binding at this N-terminal feature. These data expand the cucurbituril toolkit for protein sensing.
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Affiliation(s)
- Kiefer O Ramberg
- School of Chemistry, National University of Ireland Galway, University Road, Galway, H91 TK33, Ireland.
| | - Sylvain Engilberge
- School of Chemistry, National University of Ireland Galway, University Road, Galway, H91 TK33, Ireland.
| | - Francesca Guagnini
- School of Chemistry, National University of Ireland Galway, University Road, Galway, H91 TK33, Ireland.
| | - Peter B Crowley
- School of Chemistry, National University of Ireland Galway, University Road, Galway, H91 TK33, Ireland.
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5
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Jia C, Zhong Y, Zhang X, Liao X, Li Y, Yang B, Gao C. Host–guest inclusion systems of nedaplatin with cucurbit[7]uril for improved in vitro antitumour activity. J INCL PHENOM MACRO 2020. [DOI: 10.1007/s10847-020-00988-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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6
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7
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The efficient sensitization of Sm(III) ion by a macrocycle with the matched cavity and energy level. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.114133] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Zhu ZQ, Zhang H, Li YW, Lin RL, Sun WQ, Chu XF, Liu JX, Chen K. Anion influence on metallosupramolecular architectures of Cucurbit[6]uril with calcium cation. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.118990] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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9
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Rawat N, Kar A, Bhattacharyya A, Yadav AK, Bhattacharyya D, Jha SN, Kumar P, Nayak SK, Tomar BS. Complexation of U(VI) with Cucurbit[5]uril: Thermodynamic and Structural investigation in aqueous medium. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 207:354-362. [PMID: 30292112 DOI: 10.1016/j.saa.2018.09.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 09/17/2018] [Accepted: 09/18/2018] [Indexed: 06/08/2023]
Abstract
The assessment of cucurbituril (CBn) for selective removal of actinides from nuclear waste streams requires comprehensive understanding of binding parameters and coordination of these complexes. The present work is the first experimental report on complexation of actinide ion with Cucurbit[5]uril (CB5) in solution. The thermodynamic parameters (ΔG, ΔH and ΔS) for complexation of CB5 with U(VI) in formic acid water medium were determined using microcalorimetry and UV-Vis spectroscopy. The enthalpy and entropy of complexation revealed the partial binding of U(VI) to CB5 portal. The partial binding was confirmed by spectroscopic techniques viz. extended X absorption fine structure spectroscopy (EXAFS), 1H and 13C NMR. The EXAFS χ(r) versus r spectra for U-CB5 complex has been fitted from 1.4 to 3.5 Å with two oxygen shells and a carbon shell. The presence of three carbon atom in secondary shell shows the involvement of only three carbonyl oxygens directly bonding to U(VI) which is in contrast to that calculated from gas phase DFT calculation of unhydrated system. The combined effect of hydration and formic acid encapsulation led to the enhanced stability of partially bound U(VI) to CB5. In the present work the binding of formic acid has also been studied by fluorescence spectroscopy. ESI-MS data shows the unusual stabilization of U(VI) by CB5 in gas phase.
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Affiliation(s)
- Neetika Rawat
- Radioanalytical Chemistry Division, Trombay, Mumbai 400085, India; Homi Bhabha National Institute, Mumbai 400094, India.
| | - Aishwarya Kar
- Radioanalytical Chemistry Division, Trombay, Mumbai 400085, India
| | - A Bhattacharyya
- Radiochemistry Division, Trombay, Mumbai 400085, India; Homi Bhabha National Institute, Mumbai 400094, India
| | - A K Yadav
- Atomic and Molecular Physics Division, Trombay, Mumbai 400085, India
| | - D Bhattacharyya
- Atomic and Molecular Physics Division, Trombay, Mumbai 400085, India; Homi Bhabha National Institute, Mumbai 400094, India
| | - S N Jha
- Atomic and Molecular Physics Division, Trombay, Mumbai 400085, India
| | - P Kumar
- Fuel Chemistry Division, Trombay, Mumbai 400085, India
| | - S K Nayak
- Bioorganic Chemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India; Homi Bhabha National Institute, Mumbai 400094, India
| | - B S Tomar
- Homi Bhabha National Institute, Mumbai 400094, India
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10
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Lin RL, Zhou JJ, Zhou FH, Sun WQ, Liu JX, Chen K. The lanthanide contraction effect and organic additives impact the coordination structures of lanthanide ions with symmetrical octamethyl-substituted cucurbit[6]uril ligands. CrystEngComm 2019. [DOI: 10.1039/c9ce00812h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Two facts, the lanthanide contraction effect and the “bridge” role of organic additives, impact the coordination structures of lanthanide ions with OMeQ[6] ligands.
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Affiliation(s)
- Rui-Lian Lin
- College of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan 243002
- China
| | - Jia-Jia Zhou
- College of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan 243002
- China
| | - Fu Hou Zhou
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control
- School of Environmental Science and Engineering
- Nanjing University of Information Science & Technology
- Nanjing 210044
| | - Wen-Qi Sun
- College of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan 243002
- China
| | - Jing-Xin Liu
- College of Chemistry and Chemical Engineering
- Anhui University of Technology
- Maanshan 243002
- China
| | - Kai Chen
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control
- School of Environmental Science and Engineering
- Nanjing University of Information Science & Technology
- Nanjing 210044
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11
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A macrocyclic cavity microenvironment strategy for protecting lanthanide emitters from quenchers in solution. Polyhedron 2018. [DOI: 10.1016/j.poly.2018.01.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Gao ZZ, Kan JL, Chen LX, Bai D, Wang HY, Tao Z, Xiao X. Binding and Selectivity of Essential Amino Acid Guests to the Inverted Cucurbit[7]uril Host. ACS OMEGA 2017; 2:5633-5640. [PMID: 31457827 PMCID: PMC6644431 DOI: 10.1021/acsomega.7b00429] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 08/24/2017] [Indexed: 06/10/2023]
Abstract
Interactions between inverted cucurbit[7]uril (iQ[7]) and essential amino acids have been studied at pH = 7.0 by 1H NMR spectroscopy, electronic absorption spectroscopy, isothermal titration calorimetry, and mass spectrometry. The interactions can be divided into three binding types at pH = 7.0. Experimental results from the present study showed that the host displays a strong binding to the aromatic amino acids, Trp and Phe, and the guests of Lys, Arg, and His lie outside the cavity portal of the host. Meanwhile, the alkyl moieties of the guests Met, Leu, and Ile were accommodated within the cavity of iQ[7], but there was no significant interaction between iQ[7] and Thr or Val. The complexation behavior of iQ[7] with essential amino acids was explored at pH = 3, and the binding of Lys, Arg, and His revealed an unexpected behavior, with their side chains located in the cavity of iQ[7], whereas those of the aromatic Trp and Phe were deeper within the iQ[7] cavity. The alkyl side chains of the guests Met, Leu, Ile, Thr, and Val were also located inside the iQ[7] cavity and formed the host-guest complexes.
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Affiliation(s)
- Zhong-Zheng Gao
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Guiyang 550025, P. R. China
| | - Jing-Lan Kan
- College
of Chemistry, Chemical Engineering and Materials Science, Collaborative
Innovation Center of Functionalized Probes for Chemical Imaging in
Universities of Shandong, Key Laboratory of Molecular and Nano Probes,
Ministry of Education, Shandong Normal University, Jinan 250014, P. R. China
| | - Li-Xia Chen
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Guiyang 550025, P. R. China
| | - Dong Bai
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Guiyang 550025, P. R. China
| | - Hai-Yan Wang
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Guiyang 550025, P. R. China
| | - Zhu Tao
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Guiyang 550025, P. R. China
| | - Xin Xiao
- Key
Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou
Province, Guizhou University, Guiyang 550025, P. R. China
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13
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Chen LX, Kan JL, Cong H, Prior TJ, Tao Z, Xiao X, Redshaw C. Synthesis and Structure of the Inclusion Complex {NdQ[5]K@Q[10](H₂O)₄}·4NO₃·20H₂O. Molecules 2017; 22:molecules22071147. [PMID: 28698496 PMCID: PMC6152283 DOI: 10.3390/molecules22071147] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 07/05/2017] [Accepted: 07/06/2017] [Indexed: 11/16/2022] Open
Abstract
Heating a mixture of Nd(NO3)3·6H2O, KCl, Q[10] and Q[5] in HCl for 10 min affords the inclusion complex {NdQ[5]K@Q[10](H2O)4}·4NO3·20H2O. The structure of the inclusion complex has been investigated by single crystal X-ray diffraction and by X-ray Photoelectron spectroscopy (XPS).
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Affiliation(s)
- Li Xia Chen
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China.
| | - Jing Lan Kan
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, China.
| | - Hang Cong
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China.
| | - Timothy J Prior
- Department of Chemistry, School of Mathematics and Physical Sciences, University of Hull, Hull HU6 7RX, UK.
| | - Zhu Tao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China.
| | - Xin Xiao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China.
| | - Carl Redshaw
- Department of Chemistry, School of Mathematics and Physical Sciences, University of Hull, Hull HU6 7RX, UK.
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14
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Thuéry P. Uranyl Complexes as Scaffolding or Spacers for Cucurbit[6]uril Molecules in Homo‐ and Heterometallic Species, Including a Uranyl–Lanthanide Complex. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700283] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Pierre Thuéry
- NIMBE CEA CNRS Université Paris‐Saclay CEA Saclay 91191 Gif‐sur‐Yvette France
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15
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Zheng LM, Liu JX. Lanthanide contraction effect on crystal structures of lanthanide coordination polymers with cyclohexanocucurbit[6]uril ligand. J SOLID STATE CHEM 2017. [DOI: 10.1016/j.jssc.2016.10.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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16
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Shan PH, Tu SC, Lin RL, Tao Z, Liu JX, Xiao X. Supramolecular complexes of α,α′,δ,δ′-tetramethyl-cucurbit[6]uril binding with enantiomeric amino acids. CrystEngComm 2017. [DOI: 10.1039/c7ce00340d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Danylyuk O. Exploring cucurbit[6]uril–peptide interactions in the solid state: crystal structure of cucurbit[6]uril complexes with glycyl-containing dipeptides. CrystEngComm 2017. [DOI: 10.1039/c7ce00881c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Macrocyclic host cucurbit[6]uril forms supramolecular complexes with dipeptides sequenced as Gly-X, where X is either an aromatic amino acid residue Phe, Tyr, and Trp or Gly in the solid state.
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Affiliation(s)
- Oksana Danylyuk
- Institute of Physical Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
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18
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Xu D, Jiao R, Sun Y, Sun D, Zhang X, Zeng S, Di Y. L-Cysteine-Assisted Synthesis of Urchin-Like γ-MnS and Its Lithium Storage Properties. NANOSCALE RESEARCH LETTERS 2016; 11:444. [PMID: 27699715 PMCID: PMC5047874 DOI: 10.1186/s11671-016-1664-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Accepted: 09/26/2016] [Indexed: 05/28/2023]
Abstract
MnS has been attracting more and more attentions in the fields of lithium ion batteries (LIBs) because of its high energy density and low voltage potential. In this paper, we present a simple method for the preparation of urchin-like γ-MnS microstructures using L-cysteine and MnCl2 · 4H2O as the starting materials. The urchin-like γ-MnS microstructures exhibit excellent cycling stability (823.4 mA h g-1 at a current density of 500 mA g-1, after 1000 cycles). And the discharge voltage is about 0.75 V, making it a good candidate for the application as the anode material in LIBs. SEM, TEM, and XRD were employed to inspect the changes of the active materials during the electrochemical process, which clearly indicate that the structural pulverization and reformation of the γ-MnS microstructures play important roles for the maintenance of the electrochemical performance during the charge/discharge process.
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Affiliation(s)
- Dan Xu
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Ranran Jiao
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Yuanwei Sun
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Dezhi Sun
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Xianxi Zhang
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China
| | - Suyuan Zeng
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China.
| | - Youying Di
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China.
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19
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Zhang C, Zhang YQ, Xue SF, Zhu QJ, Tao Z. Coordination of lanthanide cations to a symmetrical dicyclohexanocucurbit[6]uril in the presence of tetrachlorozincate facilitates isolation of lighter lanthanides. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.06.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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20
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Kovalenko E, Vilaseca M, Díaz-Lobo M, Masliy AN, Vicent C, Fedin VP. Supramolecular Adducts of Cucurbit[7]uril and Amino Acids in the Gas Phase. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2016; 27:265-276. [PMID: 26443564 DOI: 10.1007/s13361-015-1274-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 09/08/2015] [Accepted: 09/09/2015] [Indexed: 06/05/2023]
Abstract
The complexation of the macrocyclic cavitand cucurbit[7]uril (Q7) with a series of amino acids (AA) with different side chains (Asp, Asn, Gln, Ser, Ala, Val, and Ile) is investigated by ESI-MS techniques. The 1:1 [Q7 + AA + 2H](2+) adducts are observed as the base peak when equimolar Q7:AA solutions are electrosprayed, whereas the 1:2 [Q7 + 2AA + 2H](2+) dications are dominant when an excess of the amino acid is used. A combination of ion mobility mass spectrometry (IM-MS) and DFT calculations of the 1:1 [Q7 + AA + 2H](2+) (AA = Tyr, Val, and Ser) adducts is also reported and proven to be unsuccessful at discriminating between exclusion or inclusion-type conformations in the gas phase. Collision induced dissociation (CID) revealed that the preferred dissociation pathways of the 1:1 [Q7 + AA + 2H](2+) dications are strongly influenced by the identity of the amino acid side chain, whereas ion molecule reactions towards N-butylmethylamine displayed a common reactivity pattern comprising AA displacement. Special emphasis is given on the differences between the gas-phase behavior of the supramolecular adducts with amino acids (AA = Asp, Asn, Gln, Ser, Ala, Val, and Ile) and those featuring basic (Lys and Arg) and aromatic (Tyr and Phe) side chains.
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Affiliation(s)
- Ekaterina Kovalenko
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, Pr. Lavrentieva 3, 630090, Novosibirsk, Russia.
| | - Marta Vilaseca
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028, Barcelona, Spain
| | - Mireia Díaz-Lobo
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028, Barcelona, Spain
| | - A N Masliy
- Kazan National Research Technological University, 420015, K.Marx St 68, Kazan, Russia
| | - Cristian Vicent
- Serveis Centrals d'Instrumentació Científica, Universitat Jaume I, Avda. Sos Baynat s/n, E-12071, Castelló, Spain.
| | - Vladimir P Fedin
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, Pr. Lavrentieva 3, 630090, Novosibirsk, Russia.
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21
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Zhao W, Wang C, Zhang Y, Zhang Y, Xue S, Tao Z, Clegg JK, Zhu Q, Lindoy LF, Wei G. Adducts of aqua complexes of Ln3+with hexahydroxyhexamethylcucurbit[6]uril: potential application in the isolation of heavy lanthanides. NEW J CHEM 2016. [DOI: 10.1039/c5nj00964b] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The interactions between a series of Ln3+and HHQ[6] were investigated. X-ray crystallography analysis revealed that HHQ[6] selectively interacts with certain Ln ions. The experimental results point to a possible means of isolating lighter or heavier Ln cations.
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Affiliation(s)
- Wenxuan Zhao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province
- Department of Chemistry Guizhou University
- Guiyang 550025
- China
| | - Chuanzeng Wang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province
- Department of Chemistry Guizhou University
- Guiyang 550025
- China
| | - Ying Zhang
- School of Environmental Science and Engineering
- Nanjing University of Information Science & Technology
- Nanjing 210044
- China
| | - Yunqian Zhang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province
- Department of Chemistry Guizhou University
- Guiyang 550025
- China
| | - Saifeng Xue
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province
- Department of Chemistry Guizhou University
- Guiyang 550025
- China
| | - Zhu Tao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province
- Department of Chemistry Guizhou University
- Guiyang 550025
- China
| | - Jack K. Clegg
- School of Chemistry and Molecular Biosciences
- The University of Queensland
- Brisbane St Lucia
- Australia
| | - Qianjiang Zhu
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province
- Department of Chemistry Guizhou University
- Guiyang 550025
- China
| | | | - Gang Wei
- CSIRO Manufacturing
- Lindfield
- Australia
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22
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Thuéry P. Structural variations in terbium(III) complexes with 1,3-adamantanedicarboxylate and diverse co-ligands. J SOLID STATE CHEM 2015. [DOI: 10.1016/j.jssc.2015.01.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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Wang CZ, Zhao WX, Zhang YQ, Xue SF, Tao Z, Zhu QJ. Interaction of Ln 3+ with Methyl-Substituted Cucurbit[n]urils (n=5,6) Derived from 3α-Methyl Glycoluril. Chempluschem 2015; 80:1052-1059. [PMID: 31973267 DOI: 10.1002/cplu.201500045] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 03/06/2015] [Indexed: 11/10/2022]
Abstract
The interactions between a series of lanthanide cations (Ln3+ ) and methyl-substituted cucurbiturils (SPMeQ[5] and SHMeQ[6]) derived from a 3α-methyl glycoluril have been investigated. Single-crystal X-ray diffraction analysis revealed that both SPMeQ[5] and SHMeQ[6] selectively interact with certain lanthanide ions. SPMeQ[5] forms coordination capsules in the presence of [CdCl4 ]2- . The Ln3+ cations that interact are the four light lanthanides, La3+ , Ce3+ , Pr3+ , and Nd3+ , whereas the remaining lanthanide cations remain in solution. SHMeQ[6] formed adducts of SHMeQ[6] with aqua complexes of lanthanide cations ([Ln(H2 O)8 ]3+ ); for SHMeQ[6]-Ln(NO3 )3 -CdCl2 -HCl systems (Ln=Gd-Lu), no solid crystals were obtained from systems that contained La, Ce, Pr, Nd, Sm, or Eu. Whereas solid crystals of adducts of SHMeQ[6] with aqua complexes of lanthanide cations (Ln=Sm-Lu) formed SHMeQ[6]-Ln(NO3 )3 systems in neutral solution, no solid crystals were obtained from systems that contained La, Ce, Pr, or Nd. These results suggest that SPMeQ[5]- and SHMeQ[6]-Ln(NO3 )3 systems could be useful for the selective isolation of these lighter or heavier lanthanide cations from mixtures. Energy-dispersive spectrometry indicated that the lighter or heavier lanthanide cations could be isolated from their heavier or lighter counterparts through interaction with SPMeQ[5] and SHMeQ[6].
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Affiliation(s)
- Chuan-Zeng Wang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025 (P. R. China), Fax: (+86) 851-3620906
| | - Wen-Xuan Zhao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025 (P. R. China), Fax: (+86) 851-3620906
| | - Yun-Qian Zhang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025 (P. R. China), Fax: (+86) 851-3620906
| | - Sai-Feng Xue
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025 (P. R. China), Fax: (+86) 851-3620906
| | - Zhu Tao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025 (P. R. China), Fax: (+86) 851-3620906
| | - Qian-Jiang Zhu
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025 (P. R. China), Fax: (+86) 851-3620906
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24
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Thuéry P. Second‐Sphere Complexation of Thorium(IV) by Cucurbit[6]uril with Included Perrhenate Counterions – Crystal Structure and Hirshfeld Surface Analysis. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500171] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Pierre Thuéry
- CEA, IRAMIS, UMR 3685 NIMBE, Laboratoire de Chimie Moléculaire et Catalyse pour l'Energie (LCMCE) Bât. 125, 91191 Gif‐sur‐Yvette, France
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25
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Ni XL, Xue SF, Tao Z, Zhu QJ, Lindoy LF, Wei G. Advances in the lanthanide metallosupramolecular chemistry of the cucurbit[n]urils. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.12.018] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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26
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Shinde MN, Dutta Choudhury S, Barooah N, Pal H, Bhasikuttan AC, Mohanty J. Metal-ion-mediated assemblies of thiazole orange with cucurbit[7]uril: a photophysical study. J Phys Chem B 2015; 119:3815-23. [PMID: 25658219 DOI: 10.1021/jp512802u] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The formation of molecular superstructures by metal-ion-mediated noncovalent self-assembly has been demonstrated using the macrocycle, cucurbit[7]uril (CB7), and the dye, thiazole orange (TO), as building blocks. Interestingly, the association of these molecular building blocks can be tuned by the chemical environment, leading to self-assembled structures of different stoichiometries, which is supported by absorption, fluorescence, (1)H NMR, and AFM measurements. Most importantly, the self-assembly process of the CB7/TO/metal ion system is observed to be remarkably different for alkali (Na(+)) and alkaline earth (Ca(2+)) metal ions. Fluorescence enhancement is observed in the presence of Ca(2+) ions, which is attributed to the formation of short dimeric structures composed of two 1:1 CB7-TO complexes. Solution turbidity is detected in the presence of Na(+) ions, which is proposed to be due to the formation of extended structures by the assembly of many 1:1 CB7-TO complexes.
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Affiliation(s)
- Meenakshi N Shinde
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre , Mod. Lab., Mumbai 400085, Maharashtra, India
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27
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Rawat N, Kar A, Bhattacharyya A, Rao A, Nayak SK, Nayak C, Jha SN, Bhattacharyya D, Tomar BS. Complexation of Eu(iii) with Cucurbit[n]uril, n = 5 and 7: A Thermodynamic and Structural Study. Dalton Trans 2015; 44:4246-58. [DOI: 10.1039/c4dt03623a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An investigation of Eu(iii) CBn complexes in solution using calorimetry, TRFS, EXAFS and DFT calculations shows the presence of Eu(iii) in different binding modes depending on the cavity size of CBn and the stoichiometry of the complex.
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Affiliation(s)
- Neetika Rawat
- Radioanalytical Chemistry Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
| | - Aishwarya Kar
- Radioanalytical Chemistry Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
| | - A. Bhattacharyya
- Radiochemistry Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
| | - Ankita Rao
- Radioanalytical Chemistry Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
| | - S. K. Nayak
- Bioorganic Chemistry Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
| | - C. Nayak
- Atomic and Molecular Physics Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
| | - S. N. Jha
- Atomic and Molecular Physics Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
| | - D. Bhattacharyya
- Atomic and Molecular Physics Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
| | - B. S. Tomar
- Radioanalytical Chemistry Division
- Bhabha Atomic Research Centre
- Mumbai – 4000 085
- India
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28
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Synthesis of Star Poly(N-isopropylacrylamide) with a Core of Cucurbit[6]uril via ATRP and Controlled Thermoresponsivity. Macromol Rapid Commun 2014; 36:311-8. [DOI: 10.1002/marc.201400506] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 11/02/2014] [Indexed: 11/07/2022]
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29
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Cucurbituril: Chiral Applications. Chirality 2014; 26:712-23. [DOI: 10.1002/chir.22363] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 06/23/2014] [Accepted: 07/01/2014] [Indexed: 01/17/2023]
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30
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Cong H, Zhao Y, Liang LL, Chen K, Chen XJ, Xiao X, Zhang YQ, Zhu QJ, Xue SF, Tao Z. Cucurbituril-Based Supramolecular Self-Assemblies Formed in the Presence of Alkali Metal and Cadmium Ions. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201400004] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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31
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da Silva FF, de Oliveira CAF, Falcão EHL, Chojnacki J, Neves JL, Alves S. New lanthanide–CB[6] coordination compounds: relationships between the crystal structure and luminescent properties. Dalton Trans 2014; 43:5435-42. [DOI: 10.1039/c3dt52687a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four new isostructural complexes were obtained with Ln3+ and CB[6]. The compounds present interesting spectroscopic properties, not observed before in Ln–CB[n] compounds.
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Affiliation(s)
- Fausthon F. da Silva
- Departamento de Química Fundamental
- Universidade Federal de Pernambuco
- Recife-PE, Brazil
| | | | - Eduardo H. L. Falcão
- Departamento de Química Fundamental
- Universidade Federal de Pernambuco
- Recife-PE, Brazil
| | - Jaroslaw Chojnacki
- Department of Inorganic Chemistry
- Gdansk University of Technology
- Gdansk, Poland
| | - Jorge L. Neves
- Departamento de Química Fundamental
- Universidade Federal de Pernambuco
- Recife-PE, Brazil
| | - S. Alves
- Departamento de Química Fundamental
- Universidade Federal de Pernambuco
- Recife-PE, Brazil
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Zhao Y, Liang LL, Chen K, Ji NN, Cheng XJ, Xiao X, Zhang YQ, Xue SF, Zhu QJ, Dong N, Tao Z. [CdCl4]2−anion-induced coordination of alkaline earth metal ions to cucurbit[7]uril, corresponding supramolecular self-assemblies and potential application. Dalton Trans 2014; 43:929-32. [DOI: 10.1039/c3dt52213j] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Ni XL, Xiao X, Cong H, Liang LL, Cheng K, Cheng XJ, Ji NN, Zhu QJ, Xue SF, Tao Z. Cucurbit[n]uril-based coordination chemistry: from simple coordination complexes to novel poly-dimensional coordination polymers. Chem Soc Rev 2013; 42:9480-508. [PMID: 24048328 DOI: 10.1039/c3cs60261c] [Citation(s) in RCA: 309] [Impact Index Per Article: 28.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Cucurbit[n]urils are a family of molecular container hosts bearing a rigid hydrophobic cavity and two identical carbonyl fringed portals. They have attracted much attention in supramolecular chemistry because of their superior molecular recognition properties in aqueous media. This review highlights the recent advances and challenges in the field of cucurbit[n]uril-based coordination chemistry. It not only presents progress in the knowledge of such macrocyclic compounds, which range from simple to complicated architectures, but also presents new routes of synthesis and their advantages in hybrid porous solids. The concept of structure "inducer" for their structural design to achieve predictable structures and controlled pores is described. The large pore sizes and hydrophobic cavities of these compounds that lead to unprecedented properties and potential applications are also discussed.
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Affiliation(s)
- Xin-Long Ni
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, People's Republic of China.
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34
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Porphyrin-cucurbituril organic molecular porous material: Structure and iodine adsorption properties. INORG CHEM COMMUN 2013. [DOI: 10.1016/j.inoche.2013.06.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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35
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Ni XL, Yi JM, Song S, Zhang YQ, Xue SF, Zhu QJ, Tao Z. Supramolecular interactions of bisbenzimidazolyl derivatives with cucurbit[7]uril, potential axle molecules bearing a novel fluorescent signal response. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.05.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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36
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Hu JX, Hu YF, Xiao X, Zhang YQ, Tao Z, Xue SF, Liu JX, Zhu QJ. Coordination of Pentacyclohexanocucurbit[5]uril with Alkali Metal Ions and Supramolecular Self-Assembly in the Absence and Presence of Inorganic Anions. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300158] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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37
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One-Dimensional Coordination Polymers of Lanthanide Cations to Cucurbit[7]uril Built Using a Range of Tetrachloride Transition-Metal Dianion Structure Inducers. Polymers (Basel) 2013. [DOI: 10.3390/polym5020418] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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38
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Huang X, Hu F, Su H. Facile Syntheses of Cucurbit[6]uril-Anchored Polymers and Their Noncovalent Modification. Macromolecules 2013. [DOI: 10.1021/ma400017y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Xiaoling Huang
- School of
Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China
| | - Fanglin Hu
- School of
Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China
| | - Haiquan Su
- School of
Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, China
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39
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Liang LL, Ni XL, Zhao Y, Chen K, Xiao X, Zhang YQ, Redshaw C, Zhu QJ, Xue SF, Tao Z. Construction of cucurbit[7]uril based tubular nanochannels incorporating associated [CdCl4]2- and lanthanide ions. Inorg Chem 2013; 52:1909-15. [PMID: 23360231 DOI: 10.1021/ic302145j] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
There is intensive interest in the design of tubular channels because of their novel structures and various applications in a variety of research fields. Herein, we present a series of coordination-driven Q[7]-derived organic nanochannels using an anion-induced strategy under different acid concentrations. An advantage of this approach is that the tubular channels not only retain the original character of the parent macrocyclic receptors but also provide deep hydrophobic cavities possessing guest binding sites. Importantly, this study also emphasizes the efficiency of the macrocyclic receptors in providing a tubular hydrophobic cavity by directly stacking on top of one another with the anion-fixed and by acid control. The resulting combination of hydrogen bonding, C-H···Cl, and ion-dipole interactions helps to stabilize these supramolecular architectures. Such systems are both tunable and versatile and allow for interconvertibility in the construction of nanochannels based on these macrocyclic receptors.
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Affiliation(s)
- Li-Li Liang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
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40
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Liang LL, Chen K, Ji NN, Cheng XJ, Zhao Y, Xiao X, Zhang YQ, Zhu QJ, Xue SF, Tao Z. Tetrachloride transition-metal dianion-induced coordination and supramolecular self-assembly of strontium dications to cucurbit[8]uril. CrystEngComm 2013. [DOI: 10.1039/c3ce27004a] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Liang LL, Zhao Y, Zhang YQ, Tao Z, Xue SF, Zhu QJ, Liu JX. Coordination nanotubes self-assembled from cucurbit[7]uril and lanthanide cations. CrystEngComm 2013. [DOI: 10.1039/c3ce40147b] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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42
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Ji NN, Cheng XJ, Liang LL, Xiao X, Zhang YQ, Xue SF, Tao Z, Zhu QJ. The synthesis of networks based on the coordination of cucurbit[8]urils and alkali or alkaline earth ions in the presence of the polychloride transition-metal anions. CrystEngComm 2013. [DOI: 10.1039/c3ce40840j] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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43
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Li ZF, Liang LL, Wu F, Zhou FG, Ni XL, Feng X, Xiao X, Zhang YQ, Xue SF, Zhu QJ, Clegg JK, Tao Z, Lindoy LF, Wei G. An approach to networks based on coordination of alkyl-substituted cucurbit[5]urils and potassium ions. CrystEngComm 2013. [DOI: 10.1039/c3ce26491b] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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Zhao Y, Liang LL, Chen K, Zhang T, Xiao X, Zhang YQ, Tao Z, Xue SF, Zhu QJ. Inorganic anion-aided coordination of lanthanide metal ions to cucurbituril and supramolecular self-assembly: potential applications in the separation of light lanthanides. CrystEngComm 2013. [DOI: 10.1039/c3ce40568k] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Qin X, Ni XL, Hu JX, Chen K, Zhang YQ, Redshaw C, Zhu QJ, Xue SF, Tao Z. Macrocycle-based metal ion complexation: a study of the lanthanide contraction effect towards hexacyclohexanocucurbit[6]uil. CrystEngComm 2013. [DOI: 10.1039/c2ce26225h] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Venkataramanan NS, Ambigapathy S, Mizuseki H, Kawazoe Y. Theoretical prediction of the complexation behaviors of antitumor platinum drugs with cucurbiturils. J Phys Chem B 2012; 116:14029-39. [PMID: 23167965 DOI: 10.1021/jp3098044] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The inclusion complex formation ability between CB[n] (n = 6-9) and Pt-drugs (oxaliplatin, nedaplatin, carboplatin, and cisplatin) in gas phase as well as water phases has been investigated using the using density functional theory. The results reveal the existence of several stable inclusion complexes in aqueous solution with high solvation energies compared to the guest and host molecule. It has been shown that the formation of complexes between CB[6] and Pt-drugs resulted in structural change in the CB[6], with the calculated deformation energies being higher for the inclusion complexes. The inclusion complexes are stabilized by the hydrogen bonding and the charge transfer between the Pt-drugs and the CB[n] host. Calculated enthalpy and Gibbs free energy of formation in aqueous solution revels that the formation of CB[7]-oxaliplatin is spontaneous, and hence its experimental synthesis is feasible. Among the CB's studied, CB[8]-Pt-drug inclusion complexes have exothermic enthalpy and low Gibbs free energy of formation. Computed (1)NMR spectra in CB[7]-oxaliplatin showed high chemical shielding for the cyclohexane ring, indicating the existence of charge transfer in the inclusion complex. The amine protons in the guest Pt-drugs are shielded due to the hydrogen bonding interaction with CB's oxygen portal.
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47
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Thuéry P. Uranyl–lanthanide heterometallic assemblies with 1,2-ethanedisulfonate and cucurbit[6]uril ligands. CrystEngComm 2012. [DOI: 10.1039/c2ce25091h] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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48
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Thuéry P. Supramolecular assemblies built from lanthanide ammoniocarboxylates and cucurbit[6]uril. CrystEngComm 2012. [DOI: 10.1039/c2ce25915j] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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49
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Chen K, Liang LL, Liu HJ, Tao Z, Xue SF, Zhang YQ, Zhu QJ. p-Hydroxybenzoic acid-assisted homochiral 1D-helical coordination polymers from calcium cations and cucurbit[5]uril. CrystEngComm 2012. [DOI: 10.1039/c2ce25958c] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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Chen K, Liang LL, Cong H, Xiao X, Zhang YQ, Xue SF, Zhu QJ, Tao Z. p-Hydroxybenzoic acid-induced formation of a novel framework based on direct coordination of caesium ions to cucurbit[8]uril. CrystEngComm 2012. [DOI: 10.1039/c2ce06505c] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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