51
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McDonald KP, Qiao B, Twum EB, Lee S, Gamache PJ, Chen CH, Yi Y, Flood AH. Quantifying chloride binding and salt extraction with poly(methyl methacrylate) copolymers bearing aryl-triazoles as anion receptor side chains. Chem Commun (Camb) 2014; 50:13285-8. [DOI: 10.1039/c4cc03362k] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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52
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Hirsch BE, Lee S, Qiao B, Chen CH, McDonald KP, Tait SL, Flood AH. Anion-induced dimerization of 5-fold symmetric cyanostars in 3D crystalline solids and 2D self-assembled crystals. Chem Commun (Camb) 2014; 50:9827-30. [DOI: 10.1039/c4cc03725a] [Citation(s) in RCA: 50] [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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53
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Shang J, Gallagher NM, Bie F, Li Q, Che Y, Wang Y, Jiang H. Aromatic Triazole Foldamers Induced by C–H···X (X = F, Cl) Intramolecular Hydrogen Bonding. J Org Chem 2014; 79:5134-44. [DOI: 10.1021/jo500582c] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jie Shang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Nolan M. Gallagher
- Department
of Chemistry, University of Nebraska, Lincoln, Nebraska 68588-0304, United States
| | - Fusheng Bie
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qiaolian Li
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanke Che
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Ying Wang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Department
of Chemistry, University of Nebraska, Lincoln, Nebraska 68588-0304, United States
| | - Hua Jiang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- College
of Chemistry, Beijing Normal University, Beijing 100875, China
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54
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Ramabhadran RO, Hua Y, Flood AH, Raghavachari K. C vs N: Which End of the Cyanide Anion Is a Better Hydrogen Bond Acceptor? J Phys Chem A 2014; 118:7418-23. [DOI: 10.1021/jp412816w] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | - Yuran Hua
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Amar H. Flood
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Krishnan Raghavachari
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
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55
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Martínez-García H, Morales D, Pérez J, Puerto M, del Río I. Interaction between Anions and Cationic Metal Complexes Containing Tridentate Ligands withexo-CH Groups: Complex Stability and Hydrogen Bonding. Chemistry 2014; 20:5821-34. [DOI: 10.1002/chem.201303653] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Revised: 01/05/2014] [Indexed: 11/11/2022]
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56
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Ramabhadran RO, Liu Y, Hua Y, Ciardi M, Flood AH, Raghavachari K. An overlooked yet ubiquitous fluoride congenitor: binding bifluoride in triazolophanes using computer-aided design. J Am Chem Soc 2014; 136:5078-89. [PMID: 24559019 DOI: 10.1021/ja500125r] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Despite its ubiquity during the binding and sensing of fluoride, the role of bifluoride (HF2(-)) and its binding properties are almost always overlooked. Here, we give one of the first examinations of bifluoride recognition in which we use computer-aided design to modify the cavity shape of triazolophanes to better match with HF2(-). Computational investigation indicates that HF2(-) and Cl(-) should have similar binding affinities to the parent triazolophane in the gas phase. Evaluation of the binding geometries revealed a preference for binding of the linear HF2(-) along the north-south axis with a smaller Boltzmann weighted population aligned east-west and all states being accessed rapidly through in-plane precessional rotations of the anion. While the (1)H NMR spectroscopy studies are consistent with the calculated structural aspects, binding affinities in solution were determined to be significantly smaller for the bifluoride than the chloride. Computed geometries suggested that a 20° tilting of the bifluoride (stemming from the cavity size) could account for the 25-fold difference between the two binding affinities, HF2(-) < Cl(-). Structural variations to the triazolophane's geometry and electronic modifications to the network of hydrogen bond donors were subsequently screened in a stepwise manner using density functional theory calculations to yield a final design that eliminates the tilting. Correspondingly, the bifluoride's binding affinity (K ∼ 10(6) M(-1)) increased and was also found to remain equal to chloride in the gas and solution phases. The new oblate cavity appeared to hold the HF2(-) in a single east-west arrangement. Our findings demonstrate the promising ability of computer-aided design to fine-tune the structural and electronic match in anion receptors as a means to control the arrangement and binding strength of a desired guest.
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Affiliation(s)
- Raghunath O Ramabhadran
- Department of Chemistry, Indiana University , 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
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57
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Cao L, Jiang R, Zhu Y, Wang X, Li Y, Li Y. Synthesis of 1,2,3-Triazole-4-carboxamide-Containing Foldamers for Sulfate Recognition. European J Org Chem 2014. [DOI: 10.1002/ejoc.201301838] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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58
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White NG, Lovett HG, Beer PD. Bis-triazolium containing macrocycles, pseudorotaxanes and interlocked structures for anion recognition. RSC Adv 2014. [DOI: 10.1039/c4ra00615a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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59
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Schulze B, Schubert US. Beyond click chemistry – supramolecular interactions of 1,2,3-triazoles. Chem Soc Rev 2014; 43:2522-71. [DOI: 10.1039/c3cs60386e] [Citation(s) in RCA: 583] [Impact Index Per Article: 58.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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60
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Shi G, Gadhe CG, Park SW, Kim KS, Kang J, Seema H, Singh NJ, Cho SJ. Novel Ionophores with 2n-Crown-n Topology: Anion Sensing via Pure Aliphatic C–H···Anion Hydrogen Bonding. Org Lett 2013; 16:334-7. [DOI: 10.1021/ol402819m] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Genggongwo Shi
- Department
of Chemistry, Pohang University of Science and Technology, Pohang, 790-784, Republic of Korea
| | - Changdev G. Gadhe
- Department
of Bio-new-drug Development, Chosun University, Gwangju, 501-759, Republic of Korea
| | - Sung-Woo Park
- Department
of Chemistry, Pohang University of Science and Technology, Pohang, 790-784, Republic of Korea
| | - Kwang S. Kim
- Department
of Chemistry, Pohang University of Science and Technology, Pohang, 790-784, Republic of Korea
| | - Jongmin Kang
- Department
of Chemistry, Sejong University, Seoul 143-747, Republic of Korea
| | - Humaira Seema
- Department
of Chemistry, Pohang University of Science and Technology, Pohang, 790-784, Republic of Korea
| | - N. Jiten Singh
- Department
of Chemistry, Pohang University of Science and Technology, Pohang, 790-784, Republic of Korea
| | - Seung Joo Cho
- Department
of Bio-new-drug Development, Chosun University, Gwangju, 501-759, Republic of Korea
- Department
of Cellular·Molecular Medicine, College of Medicine, Chosun University, 375 Seosuk-dong, Dong-gu, Gwangju, 501-759, Republic of Korea
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61
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White NG, Costa PJ, Carvalho S, Félix V, Beer PD. Increased Halide Recognition Strength by Enhanced Intercomponent Preorganisation in Triazolium Containing [2]Rotaxanes. Chemistry 2013; 19:17751-65. [DOI: 10.1002/chem.201303122] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Indexed: 12/30/2022]
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62
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Gale PA, Busschaert N, Haynes CJE, Karagiannidis LE, Kirby IL. Anion receptor chemistry: highlights from 2011 and 2012. Chem Soc Rev 2013; 43:205-41. [PMID: 24108306 DOI: 10.1039/c3cs60316d] [Citation(s) in RCA: 386] [Impact Index Per Article: 35.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This review covers advances in anion complexation in the years 2011 and 2012. The review covers both organic and inorganic systems and also highlights the applications to which anion receptors can be applied such as self-assembly and molecular architecture, sensing, catalysis and anion transport.
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Affiliation(s)
- Philip A Gale
- Chemistry, University of Southampton, Southampton, SO17 1BJ, UK.
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63
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Hua Y, Liu Y, Chen CH, Flood AH. Hydrophobic collapse of foldamer capsules drives picomolar-level chloride binding in aqueous acetonitrile solutions. J Am Chem Soc 2013; 135:14401-12. [PMID: 24028552 DOI: 10.1021/ja4074744] [Citation(s) in RCA: 155] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Aqueous media are competitive environments in which to perform host-guest chemistry, particularly when the guest is highly charged. While hydrophobic binding is a recognized approach to this challenge in which apolar pockets can be designed to recognize apolar guests in water, complementary strategies are required for hydrophilic anions like chloride. Here, we present evidence of such an alternative mechanism, used everyday by proteins yet rare for artificial receptors, wherein hydrophobic interactions are shown to be responsible for organizing and stabilizing an aryl-triazole foldamer to help extract hydrophilic chloride ions from increasingly aqueous solutions. Therein, a double-helical complex gains stability upon burial of ∼80% of the π surfaces that simultaneously creates a potent, solvent-excluding microenvironment for hydrogen bonding. The chloride's overall affinity to the duplex is substantial in 25% water v/v in acetonitrile (log β2 = 12.6), and it remains strong (log β2 = 13.0) as the water content is increased to 50%. With the rise in predictable designs of abiological foldamers, this water-assisted strategy can, in principle, be utilized for binding other hydrophilic guests.
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Affiliation(s)
- Yuran Hua
- Department of Chemistry, Indiana University , 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
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64
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Neutral bile acid cyclic dimers exhibit fluoride coordination by cooperative aliphatic and triazole CH segments. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.05.031] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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65
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Cho J, Lee S, Hwang S, Kim SH, Kim JS, Kim S. Calix[2]triazole[2]arenes; A Class of Hybrid Heterocalixarenes. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300401] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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66
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67
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Gong HY, Rambo BM, Lynch VM, Keller KM, Sessler JL. “Texas-Sized” Molecular Boxes: Building Blocks for the Construction of Anion-Induced Supramolecular Species via Self-Assembly. J Am Chem Soc 2013; 135:6330-7. [DOI: 10.1021/ja401893w] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Han-Yuan Gong
- Department of Chemistry and
Biochemistry, The University of Texas at Austin, Welch Hall 2.204, 105 East 24th Street, Stop A5300, Austin, Texas
78712-1224, United States
- College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
| | - Brett M. Rambo
- Department of Chemistry and
Biochemistry, The University of Texas at Austin, Welch Hall 2.204, 105 East 24th Street, Stop A5300, Austin, Texas
78712-1224, United States
- Akermin Inc., 1005 North Warson Road,
Suite 101, St. Louis, Missouri 63132, United
States
| | - Vincent M. Lynch
- Department of Chemistry and
Biochemistry, The University of Texas at Austin, Welch Hall 2.204, 105 East 24th Street, Stop A5300, Austin, Texas
78712-1224, United States
| | - Karin M. Keller
- Department of Chemistry and
Biochemistry, The University of Texas at Austin, Welch Hall 2.204, 105 East 24th Street, Stop A5300, Austin, Texas
78712-1224, United States
| | - Jonathan L. Sessler
- Department of Chemistry and
Biochemistry, The University of Texas at Austin, Welch Hall 2.204, 105 East 24th Street, Stop A5300, Austin, Texas
78712-1224, United States
- Department of Chemistry, Yonsei University, Seoul 120-749, Korea
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68
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Yim SL, Chow HF, Chan MC, Che CM, Low KH. Synthesis and Thermoreversible Gelation Properties of Main-Chain Poly(pyridine-2,6-dicarboxamide-triazole)s. Chemistry 2013; 19:2478-86. [DOI: 10.1002/chem.201203684] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Revised: 11/12/2012] [Indexed: 11/10/2022]
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69
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Collins CG, Peck EM, Kramer PJ, Smith BD. Squaraine rotaxane shuttle as a ratiometric deep-red optical chloride sensor. Chem Sci 2013. [DOI: 10.1039/c3sc50535a] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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70
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Mesquida N, Dinarès I, Ibáñez A, Alcalde E. [14]Heterophane prototypes containing azolium and/or azole anion-binding motifs. Org Biomol Chem 2013; 11:6385-96. [DOI: 10.1039/c3ob41214h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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71
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White NG, Beer PD. A rotaxane host system containing integrated triazole C–H hydrogen bond donors for anion recognition. Org Biomol Chem 2013; 11:1326-33. [DOI: 10.1039/c2ob27229f] [Citation(s) in RCA: 27] [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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72
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Kang J, Lee HG, Han Y, Hwang IH, Kim C, Cho SJ. A new anion receptor utilising aromatic and aliphatic C…H hydrogen bonds. Supramol Chem 2012. [DOI: 10.1080/10610278.2012.702907] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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73
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Cao QY, Pradhan T, Lee MH, Choi DH, Kim JS. ‘Cleft-form’ electrochemical anion chemosensor with amide and triazole donor groups. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.06.118] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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74
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Boricha VP, Patra S, Parihar S, Chouhan YS, Paul P. Luminescent metalloreceptors with pendant macrocyclic ionophores with NS2O3 donor sites: Synthesis, characterization and ion-binding property. Polyhedron 2012. [DOI: 10.1016/j.poly.2012.06.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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75
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Affiliation(s)
- Nicholas G. White
- a Chemistry Research Laboratory, University of Oxford , Mansfield Rd, Oxford , OX1 3TA , UK
| | - Paul D. Beer
- a Chemistry Research Laboratory, University of Oxford , Mansfield Rd, Oxford , OX1 3TA , UK
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76
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Mohan A, Sankararaman S. 1,2,3-Triazolophanes-Cyclophanes with an Array of Molecular Structures and Supramolecular Architectures. Isr J Chem 2012. [DOI: 10.1002/ijch.201100160] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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77
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Andersen SS, Jensen M, Sørensen A, Miyazaki E, Takimiya K, Laursen BW, Flood AH, Jeppesen JO. Anion effects on the cyclobis(paraquat-p-phenylene) host. Chem Commun (Camb) 2012; 48:5157-9. [DOI: 10.1039/c2cc31225e] [Citation(s) in RCA: 18] [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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78
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Cao QY, Pradhan T, Lee MH, No K, Kim JS. Ferrocene-based anion receptor bearing amide and triazolium donor groups. Analyst 2012; 137:4454-7. [DOI: 10.1039/c2an35481k] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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79
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White NG, Carvalho S, Félix V, Beer PD. Anion binding in aqueous media by a tetra-triazolium macrocycle. Org Biomol Chem 2012; 10:6951-9. [DOI: 10.1039/c2ob25934f] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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80
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McDonald KP, Hua Y, Lee S, Flood AH. Shape persistence delivers lock-and-key chloride binding in triazolophanes. Chem Commun (Camb) 2012; 48:5065-75. [DOI: 10.1039/c2cc17459f] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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81
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Tyagi M, Taxak N, Bharatam PV, Kartha KPR. Synthesis of self-assembling glycerotriazolophanes. RSC Adv 2012. [DOI: 10.1039/c2ra21341a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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82
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Binding Anions in Rigid and Reconfigurable Triazole Receptors. TOPICS IN HETEROCYCLIC CHEMISTRY 2012. [DOI: 10.1007/7081_2011_70] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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83
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Gushchin PV, Kuznetsov ML, Wang Q, Karasik AA, Haukka M, Starova GL, Kukushkin VY. Lasagna-type arrays with halide–nitromethane cluster filling. The first recognition of the Hal−⋯HCH2NO2 (Hal = Cl, Br, I) hydrogen bonding. Dalton Trans 2012; 41:6922-31. [PMID: 22441435 DOI: 10.1039/c2dt12394k] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Pavel V Gushchin
- Department of Chemistry, St. Petersburg State University, 198504 Stary Petergof, Russian Federation
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84
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McDonald KP, Ramabhadran RO, Lee S, Raghavachari K, Flood AH. Polarized Naphthalimide CH Donors Enhance Cl– Binding within an Aryl-Triazole Receptor. Org Lett 2011; 13:6260-3. [DOI: 10.1021/ol202729z] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kevin P. McDonald
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Raghunath O. Ramabhadran
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Semin Lee
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Krishnan Raghavachari
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Amar H. Flood
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, Indiana 47405, United States
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85
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Lee CH, Lee S, Yoon H, Jang WD. Strong Binding Affinity of a Zinc-Porphyrin-Based Receptor for Halides through the Cooperative Effects of Quadruple CH Hydrogen Bonds and Axial Ligation. Chemistry 2011; 17:13898-903. [DOI: 10.1002/chem.201101884] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2011] [Revised: 08/25/2011] [Indexed: 01/13/2023]
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86
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Krause MR, Goddard R, Kubik S. Anion-Binding Properties of a Cyclic Pseudohexapeptide Containing 1,5-Disubstituted 1,2,3-Triazole Subunits. J Org Chem 2011; 76:7084-95. [DOI: 10.1021/jo201024r] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Martin R. Krause
- Fachbereich Chemie - Organische Chemie, Technische Universität Kaiserslautern, Erwin-Schrödinger-Strasse, D-67663 Kaiserslautern, Germany,
| | - Richard Goddard
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim/Ruhr, Germany
| | - Stefan Kubik
- Fachbereich Chemie - Organische Chemie, Technische Universität Kaiserslautern, Erwin-Schrödinger-Strasse, D-67663 Kaiserslautern, Germany,
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87
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Cao QY, Pradhan T, Kim S, Kim JS. Ferrocene-Appended Aryl Triazole for Electrochemical Recognition of Phosphate Ions. Org Lett 2011; 13:4386-9. [DOI: 10.1021/ol201722d] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Qian-Yong Cao
- Department of Chemistry, Korea University, Seoul 136-701, Korea, and Department of Chemistry, Nanchang University, Nanchang 330031, P. R. China
| | - Tuhin Pradhan
- Department of Chemistry, Korea University, Seoul 136-701, Korea, and Department of Chemistry, Nanchang University, Nanchang 330031, P. R. China
| | - Sungtae Kim
- Department of Chemistry, Korea University, Seoul 136-701, Korea, and Department of Chemistry, Nanchang University, Nanchang 330031, P. R. China
| | - Jong Seung Kim
- Department of Chemistry, Korea University, Seoul 136-701, Korea, and Department of Chemistry, Nanchang University, Nanchang 330031, P. R. China
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88
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Ramabhadran RO, Hua Y, Li YJ, Flood AH, Raghavachari K. From Atomic to Molecular Anions: A Neutral Receptor Captures Cyanide Using Strong CH Hydrogen Bonds. Chemistry 2011; 17:9123-9. [DOI: 10.1002/chem.201100793] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2011] [Indexed: 01/22/2023]
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89
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Hua Y, Ramabhadran RO, Karty JA, Raghavachari K, Flood AH. Two levels of conformational pre-organization consolidate strong CH hydrogen bonds in chloride-triazolophane complexes. Chem Commun (Camb) 2011; 47:5979-81. [PMID: 21523308 DOI: 10.1039/c1cc10428d] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Structural rigidity is verified as a pre-organizational factor that acts together with the macrocyclic effect such that synthesis helps in paying the cost of bringing together electropositive CH donors ready for H-bonding with chloride.
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Affiliation(s)
- Yuran Hua
- Department of Chemistry, Indiana University, 800 East Kirkwood Avenue, Bloomington, IN 47405, USA
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