1
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Baulina TV, Kudryavtsev IY, Artem’ev AV, Bagryanskaya IY, Pasechnik MP, Brel VK. Synthesis, Molecular, and Crystal Structure of Tris(2-carbamoylmethoxyphenyl)phosphine Oxide. RUSS J GEN CHEM+ 2020. [DOI: 10.1134/s1070363220100059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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2
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Young Lee G, Bay KL, Houk KN. Evaluation of DFT Methods and Implicit Solvation Models for Anion‐Binding Host‐Guest Systems. Helv Chim Acta 2019. [DOI: 10.1002/hlca.201900032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Ga Young Lee
- Department of Chemistry and BiochemistryUniversity of California Los Angeles 607 Charles E. Young Drive. East California 90095 United States
| | - Katherine L. Bay
- Department of Chemistry and BiochemistryUniversity of California Los Angeles 607 Charles E. Young Drive. East California 90095 United States
| | - Kendall N. Houk
- Department of Chemistry and BiochemistryUniversity of California Los Angeles 607 Charles E. Young Drive. East California 90095 United States
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3
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Valkenier H, Akrawi O, Jurček P, Sleziaková K, Lízal T, Bartik K, Šindelář V. Fluorinated Bambusurils as Highly Effective and Selective Transmembrane Cl−/HCO3− Antiporters. Chem 2019. [DOI: 10.1016/j.chempr.2018.11.008] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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4
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Xiao S, Davis JT. G 4-quartet hydrogels from 5'-hydrazino-guanosine for the non-covalent and covalent remediation of contaminants from water. Faraday Discuss 2018; 209:97-112. [PMID: 29971308 DOI: 10.1039/c8fd00038g] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The creation of supramolecular hydrogels from relatively simple building blocks demonstrates the power of molecular self-assembly to make functional materials. G4-quartet hydrogels are appealing for a number of applications, including the environmental remediation of pollutants in water. We find that the guanosine analog, 5'-deoxy-5'-hydrazinoguanosine (HG 2) self-assembles into a self-standing hydrogel in the presence of stoichiometric amounts (0.25 equiv.) of KCl. The higher water solubility of HG 2 (14.5 mM), compared to that of the parent compound G 1 (2.1 mM), likely contributes to its enhanced gelation. The structural basis for this HG 2·KCl hydrogel, confirmed by PXRD, IR and CD, is the G4·K+ quartet, which forms extended 1D ion-channel assemblies that entangle to give a stable and long-lived hydrogel. We also find that adding KCl to a saturated solution of HG 2 triggers the generation of colloidal G4·K+ assemblies in situ that selectively and efficiently binds the anionic dye naphthol blue black (NBB) over a cationic dye. In addition to this non-covalent electrostatic binding of anions, the nucleophilic 5'-hydrazino group in the HG 2·KCl hydrogel HG 2 enables the efficient absorption of propionaldehyde from both the gas phase and from water solution via the formation of covalent hydrazone linkages with the gel matrix.
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Affiliation(s)
- Songjun Xiao
- Department of Chemistry & Biochemistry, University of Maryland, College Park, MD 20742, USA.
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5
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Chen S, Zhang S, Bao C, Wang C, Lin Q, Zhu L. Oligo(aryl-triazole)s CHCl - interactions guide chloride efficient and selective transmembrane transport. Chem Commun (Camb) 2016; 52:13132-13135. [PMID: 27761537 DOI: 10.1039/c6cc07792g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of oligo(aryl-triazole)s (compounds 1-8) have been synthesized and served as transmembrane anion transporters by only CHCl- interactions. This work confirms their role in the activity of anion transport. By changing the lipophilicity and anion affinity of the compounds, efficient anion transport with remarkable Cl-vs. HCO3- selectivity was achieved.
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Affiliation(s)
- Sujun Chen
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, P. R. China.
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6
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Ghorai A, Achari B, Chattopadhyay P. Self-assembly of cyclic peptides and peptidomimetic macrocycles: linking structure with function. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.04.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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7
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Wang XD, Li S, Ao YF, Wang QQ, Huang ZT, Wang DX. Oxacalix[2]arene[2]triazine based ion-pair transporters. Org Biomol Chem 2016; 14:330-4. [DOI: 10.1039/c5ob02291f] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Heteracalixaromatics are a new generation of macrocyclic hosts showing a unique structure and versatile recognition properties towards various guests.
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Affiliation(s)
- Xu-Dong Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Beijing
- China
| | - Sen Li
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Beijing
- China
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Beijing
- China
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Beijing
- China
| | - Zhi-Tang Huang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Beijing
- China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Beijing
- China
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8
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Soto-Cerrato V, Manuel-Manresa P, Hernando E, Calabuig-Fariñas S, Martínez-Romero A, Fernández-Dueñas V, Sahlholm K, Knöpfel T, García-Valverde M, Rodilla AM, Jantus-Lewintre E, Farràs R, Ciruela F, Pérez-Tomás R, Quesada R. Facilitated Anion Transport Induces Hyperpolarization of the Cell Membrane That Triggers Differentiation and Cell Death in Cancer Stem Cells. J Am Chem Soc 2015; 137:15892-8. [DOI: 10.1021/jacs.5b09970] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Vanessa Soto-Cerrato
- Cancer
Cell Biology Research Group, Department of Pathology and Experimental
Therapeutics, Faculty of Medicine, University of Barcelona, 08007 Barcelona, Spain
| | - Pilar Manuel-Manresa
- Cancer
Cell Biology Research Group, Department of Pathology and Experimental
Therapeutics, Faculty of Medicine, University of Barcelona, 08007 Barcelona, Spain
| | - Elsa Hernando
- Departmento
de Química, Universidad de Burgos, 09001 Burgos, Spain
| | - Silvia Calabuig-Fariñas
- Fundación de Investigación Hospital General Universitario de Valencia, 46014 Valencia, Spain
- Department
of Pathology, Universitat de València, 46010 Valencia, Spain
| | | | - Víctor Fernández-Dueñas
- Unitat
de Farmacologia, Departament Patologia i Terapèutica Experimental,
Facultat de Medicina, IDIBELL, Universitat de Barcelona, L’Hospitalet de Llobregat, 08007 Barcelona, Spain
| | - Kristoffer Sahlholm
- Unitat
de Farmacologia, Departament Patologia i Terapèutica Experimental,
Facultat de Medicina, IDIBELL, Universitat de Barcelona, L’Hospitalet de Llobregat, 08007 Barcelona, Spain
- Department
of Neuroscience, Karolinska Institute, 171 77 Solna, Stockholm, Sweden
| | - Thomas Knöpfel
- Division
of Brain Sciences, Imperial College London, London SW7 2AZ, United Kingdom
| | | | - Ananda M. Rodilla
- Cancer
Cell Biology Research Group, Department of Pathology and Experimental
Therapeutics, Faculty of Medicine, University of Barcelona, 08007 Barcelona, Spain
| | - Eloisa Jantus-Lewintre
- Fundación de Investigación Hospital General Universitario de Valencia, 46014 Valencia, Spain
- Department
of Biotechnology, Universitat Politècnica de València, 46022 Valencia,Spain
| | - Rosa Farràs
- Centro de Investigación Príncipe Felipe, 46012 Valencia, Spain
| | - Francisco Ciruela
- Unitat
de Farmacologia, Departament Patologia i Terapèutica Experimental,
Facultat de Medicina, IDIBELL, Universitat de Barcelona, L’Hospitalet de Llobregat, 08007 Barcelona, Spain
- Department
of Biochemistry and Microbiology, Faculty of Sciences, University of Ghent, 9000 Gent, Belgium
| | - Ricardo Pérez-Tomás
- Cancer
Cell Biology Research Group, Department of Pathology and Experimental
Therapeutics, Faculty of Medicine, University of Barcelona, 08007 Barcelona, Spain
| | - Roberto Quesada
- Departmento
de Química, Universidad de Burgos, 09001 Burgos, Spain
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9
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Hu K, Jiang Y, Xie Y, Liu H, Liu R, Zhao Z, Lai R, Yang L. Small-Anion Selective Transmembrane "Holes" Induced by an Antimicrobial Peptide Too Short to Span Membranes. J Phys Chem B 2015; 119:8553-60. [PMID: 26126210 DOI: 10.1021/acs.jpcb.5b03133] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Whereas many membrane-destabilization modes have been suggested for membrane-spanning antimicrobial peptides (AMPs), few are available for those too short to span membrane thickness. Here we show that ORB-1, a 15-residue disulfide-bridged AMP that is only ∼20 Å long even when fully stretched like a hairpin, may act by inducing small anion-selective transmembrane "holes" of negative mean curvature. In model membranes of Gram-negative bacteria, ORB-1 induces chloride transmembrane transport and formation of transmembrane channels of negative mean curvature, whereas the inactive analogue, ORB-N, does not, suggesting a correlation between antibacterial activity and ability to induce transmembrane channels. Given that ORB-N is the C-terminus amidated form of ORB-1, our results further suggest that formation of membrane-spanning dimers may be required to initiate the observed channel induction. Moreover, ORB-1 renders model bacterial membranes permeable to anions with effective hydration diameters of <1 nm (e.g., Cl(-) and NO3(-)), but not cations of similar sizes (e.g., H3O(+)), indicative of anion-selective transmembrane channels with an effective inner diameter of ≤1 nm. In addition, negative-intrinsic-curvature (NIC) lipids such as phosphoethanolamine (PE) may facilitate the membrane-destabilization process of ORB-1. Our findings may expand current understandings on how AMPs destabilize membranes and facilitate the pharmaceutical development of ORB-1.
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Affiliation(s)
| | | | | | | | - Rui Liu
- ‡Biotoxin Units of Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | | | - Ren Lai
- ‡Biotoxin Units of Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
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10
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Lisbjerg M, Valkenier H, Jessen BM, Al-Kerdi H, Davis AP, Pittelkow M. Biotin[6]uril Esters: Chloride-Selective Transmembrane Anion Carriers Employing C-H···Anion Interactions. J Am Chem Soc 2015; 137:4948-51. [PMID: 25851041 DOI: 10.1021/jacs.5b02306] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Biotin[6]uril hexaesters represent a new class of anionophores which operate solely through C-H···anion interactions. The use of soft H-bond donors favors the transport of less hydrophilic anions (e.g., Cl(-), NO3(-)) over hard, stongly hydrated anions (e.g., HCO3(-) and SO4(2-)). Especially relevant is the selectivity between chloride and bicarbonate, the major inorganic anions in biological systems.
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Affiliation(s)
- Micke Lisbjerg
- †Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark.,‡School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, United Kingdom
| | - Hennie Valkenier
- ‡School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, United Kingdom
| | - Bo M Jessen
- †Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
| | - Hana Al-Kerdi
- †Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
| | - Anthony P Davis
- ‡School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, United Kingdom
| | - Michael Pittelkow
- †Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
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11
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Recognition of nitrate by the ammonium derivative of a 20-membered dioxadiaza-calix[4]arene analog—solution and solid-state study of the anion binding properties. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.01.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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12
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Dutta R, Ghosh P. Artificial receptors for nitrate: a comprehensive overview. Chem Commun (Camb) 2015; 51:9070-84. [DOI: 10.1039/c5cc01266j] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
In this feature article, we describe the current status and recent development of synthetic anion receptors for the recognition of nitrate.
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Affiliation(s)
- Ranjan Dutta
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata-700032
- India
| | - Pradyut Ghosh
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata-700032
- India
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13
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Kim DS, Sessler JL. Calix[4]pyrroles: versatile molecular containers with ion transport, recognition, and molecular switching functions. Chem Soc Rev 2015; 44:532-46. [DOI: 10.1039/c4cs00157e] [Citation(s) in RCA: 249] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Calix[4]pyrroles function as “molecular containers” as illustrated by their ability to act as carriers for the through-membrane transport of ions and as “monomers” in the construction of aggregated supramolecular constructs.
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Affiliation(s)
- Dong Sub Kim
- Department of Chemistry
- The University of Texas at Austin
- Austin
- USA
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14
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Kudryavtsev IY, Baulina TV, Pasechnik MP, Matveev SV, Matveeva AG. Synthesis and Coordination Properties of Tripodal Ligand on the Triphenylphosphine Oxide Platform with Carbamoyl Side Arms. PHOSPHORUS SULFUR 2014. [DOI: 10.1080/10426507.2014.904865] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Igor Yu. Kudryavtsev
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia
| | - Tat’yana V. Baulina
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia
| | - Margarita P. Pasechnik
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia
| | - Sergei V. Matveev
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia
| | - Anna G. Matveeva
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia
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15
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Watt MM, Zakharov LN, Haley MM, Johnson DW. Selective nitrate binding in competitive hydrogen bonding solvents: do anion-π interactions facilitate nitrate selectivity? Angew Chem Int Ed Engl 2013; 52:10275-80. [PMID: 23939999 PMCID: PMC3879926 DOI: 10.1002/anie.201303881] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 06/20/2013] [Indexed: 11/07/2022]
Abstract
New tripodal urea receptors demonstrate preferential binding of anions over competitive hydrogen bonding solvents. 1H NMR titrations in 10% DMSO-d 6/CDCl3 show a higher affinity for nitrate over the halides for the fluorinated receptor, which is lost when the fluorines are removed. An “anion–π” interaction between the nitrate and the π-system of the ethynyl-substituted arene is proposed as the source of this selectivity.
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Affiliation(s)
- Michelle M. Watt
- Department of Chemistry & Materials Science Institute University of Oregon Eugene, OR 97403-1253 (USA)
| | - Lev N. Zakharov
- CAMCOR – Center for Advanced Materials Characterization in Oregon University of Oregon Eugene, OR 97403-1443 (USA)
| | - Michael M. Haley
- Department of Chemistry & Materials Science Institute University of Oregon Eugene, OR 97403-1253 (USA)
| | - Darren W. Johnson
- Department of Chemistry & Materials Science Institute University of Oregon Eugene, OR 97403-1253 (USA)
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16
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Watt MM, Zakharov LN, Haley MM, Johnson DW. Selective Nitrate Binding in Competitive Hydrogen Bonding Solvents: Do Anion-π Interactions Facilitate Nitrate Selectivity? Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303881] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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17
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Adriaenssens L, Estarellas C, Vargas Jentzsch A, Martinez Belmonte M, Matile S, Ballester P. Quantification of Nitrate−π Interactions and Selective Transport of Nitrate Using Calix[4]pyrroles with Two Aromatic Walls. J Am Chem Soc 2013; 135:8324-30. [DOI: 10.1021/ja4021793] [Citation(s) in RCA: 122] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Louis Adriaenssens
- Institute of Chemical Research of Catalonia (ICIQ), Avda. Països Catalans
16, 43007 Tarragona, Spain
| | - Carolina Estarellas
- Department de Química, Universitat de les Illes Balears, crta. Valldemossa
km 7.5, 07122, Palma de Mallorca, Spain
| | | | - Marta Martinez Belmonte
- Institute of Chemical Research of Catalonia (ICIQ), Avda. Països Catalans
16, 43007 Tarragona, Spain
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Pablo Ballester
- Institute of Chemical Research of Catalonia (ICIQ), Avda. Països Catalans
16, 43007 Tarragona, Spain
- Catalan Institution of Research and Advanced Studies (ICREA), Passeig Lluís
Companys 23, 08010 Barcelona, Spain
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18
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Berezin SK. Theoretical modelling of anion transport in liposomes: electrogenic anion exchange as a new paradigm in supramolecular chemistry. Supramol Chem 2013. [DOI: 10.1080/10610278.2013.782099] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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19
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From a Tb3+ chelated compound to a hybrid material: selective emission responses to anions. CHEMICAL PAPERS 2012. [DOI: 10.2478/s11696-011-0123-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
AbstractA novel terbium 2-hydroxymethyl-benzoimidazole-6-carboxylic acid complex has been designed and unique emission changes to fluoride anions in comparison with HSO4−, AcO−, Cl−, Br−, and I− were observed. Then, the complex was encapsulated into an inorganic matrix. The novel hybrid material, with strong green emission was successfully synthesized as an anions receptor in water. More importantly, this hybrid material not only gave luminescence response to F−, but also to HSO4−. Spectroscopic studies demonstrated that the recognition process for fluoride ions can be mainly ascribed to its hydrogen bonding interactions with hydrogen bond donor units (NH and OH). In case of hydrogen sulfate, the sensing effects can be probably attributed to its acidity instead of hydrogen bonding interactions.
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20
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Matile S, Vargas Jentzsch A, Montenegro J, Fin A. Recent synthetic transport systems. Chem Soc Rev 2011; 40:2453-74. [PMID: 21390363 DOI: 10.1039/c0cs00209g] [Citation(s) in RCA: 292] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
This critical review covers progress with synthetic transport systems, particularly ion channels and pores, between January 2006 and December 2009 in a comprehensive manner. This is the third part of a series launched in the year 2000, covering a rich collection of structural and functional motifs that should appeal to a broad audience of non-specialists, including to organic, biological, supramolecular and polymer chemists. Impressive breakthroughs have been achieved over the past four years in part because of a fruitful expansion toward new types of interactions, including metal-organic, π-π, aromatic electron donor-acceptor, anion-π or anion-macrodipole interactions as well as dynamic covalent bonds (169 references).
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Affiliation(s)
- Stefan Matile
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland.
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21
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The self-assembly of six-petal microflowers by hydrogen-bonded shape-persistent triangular aromatic hydrazide derivatives. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.06.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Arunachalam M, Ghosh P. Bistripodand Amide Host for Compartmental Recognition of Multiple Oxyanions. Org Lett 2009; 12:328-31. [DOI: 10.1021/ol9026649] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M. Arunachalam
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
| | - Pradyut Ghosh
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India
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23
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Hennig A, Fischer L, Guichard G, Matile S. Anion−Macrodipole Interactions: Self-Assembling Oligourea/Amide Macrocycles as Anion Transporters that Respond to Membrane Polarization. J Am Chem Soc 2009; 131:16889-95. [DOI: 10.1021/ja9067518] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Andreas Hennig
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland, and CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, Strasbourg, France
| | - Lucile Fischer
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland, and CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, Strasbourg, France
| | - Gilles Guichard
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland, and CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, Strasbourg, France
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland, and CNRS, Institut de Biologie Moléculaire et Cellulaire, Laboratoire d’Immunologie et Chimie Thérapeutiques, Strasbourg, France
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24
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25
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Elliott EK, Daschbach MM, Gokel GW. Aggregation behavior and dynamics of synthetic amphiphiles that self-assemble to anion transporters. Chemistry 2008; 14:5871-9. [PMID: 18481801 DOI: 10.1002/chem.200800148] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The amphiphilic heptapeptides-referred to as synthetic anion transporters (SATs)-mediate chloride transport in planar lipid bilayer membranes, synthetic liposomes, and mammalian cells. The SATs described have the general formula R1(2)NCOCH2OCH2CO-(Gly)3-Pro-(Gly)3-OR2. Substitution at R1 and R2 with various aliphatic or aromatic groups alters the ability of SATs to transport chloride through a phospholipid bilayer membrane. Despite extensive structure-activity relationship studies concerning Cl(-)-mediated transport by SATs, relatively little was known about the mechanism of insertion and pore-formation in the membrane. In the current study, the mechanistic behavior of SATs was investigated in aqueous solution and at the air-water interface. In the latter case, Langmuir trough studies and Brewster angle microscopy (BAM) revealed the extent of monolayer stability and organization for SATs. Dynamic light scattering and transmission electron microscopy (TEM) confirmed these results and defined the aggregation behavior of SATs in solution. SAT derivatives that showed low chloride transport activity organized into stable monolayers at the air-water interface, while more active SATs formed less stable monolayers. The relationship between intermolecular organization of SATs and pore-formation in the membrane is discussed along with its implications for chloride transport.
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26
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Affiliation(s)
- Oluyomi A. Okunola
- a University of Maryland, Department of Chemistry and Biochemistry , College Park, MD, 20742, USA
| | - Paul V. Santacroce
- a University of Maryland, Department of Chemistry and Biochemistry , College Park, MD, 20742, USA
| | - Jeffery T. Davis
- a University of Maryland, Department of Chemistry and Biochemistry , College Park, MD, 20742, USA
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Gale PA, García-Garrido SE, Garric J. Anion receptors based on organic frameworks: highlights from 2005 and 2006. Chem Soc Rev 2008; 37:151-90. [DOI: 10.1039/b715825d] [Citation(s) in RCA: 715] [Impact Index Per Article: 44.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Zhong C, Wang J, Wu N, Wu G, Zavalij PY, Shi X. Anion bridged nanosheet from self-assembled G-quadruplexes. Chem Commun (Camb) 2007:3148-50. [PMID: 17653370 DOI: 10.1039/b704756h] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel, non-covalent polymeric nanosheet has been produced through small molecule self-assembly; the structure has been characterized by solution NMR, solid-state NMR, powder XRD and AFM.
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Affiliation(s)
- Cheng Zhong
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, USA
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Gorteau V, Bollot G, Mareda J, Matile S. Rigid-rod anion–π slides for multiion hopping across lipid bilayers. Org Biomol Chem 2007; 5:3000-12. [PMID: 17728867 DOI: 10.1039/b708337h] [Citation(s) in RCA: 147] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Shape-persistent oligo-p-phenylene-N,N-naphthalenediimide (O-NDI) rods are introduced as anion-pi slides for chloride-selective multiion hopping across lipid bilayers. Results from end-group engineering and covalent capture as O-NDI hairpins suggested that self-assembly into transmembrane O-NDI bundles is essential for activity. A halide topology VI (Cl > F > Br approximately I, Cl/Br approximately Cl/I > 7) implied strong anion binding along the anion-pi slides with relatively weak contributions from size exclusion (F >or= OAc). Anomalous mole fraction effects (AMFE) supported the occurrence of multiion hopping along the pi-acidic O-NDI rods. The existence of anion-pi interactions was corroborated by high-level ab initio and DFT calculations. The latter revealed positive NDI quadrupole moments far beyond the hexafluorobenzene standard. Computational studies further suggested that anion binding occurs at the confined, pi-acidic edges of the sticky NDI surface and is influenced by the nature of the phenyl spacer between two NDIs. With regard to methods development, a detailed analysis of the detection of ion selectivity with the HPTS assay including AMFE in vesicles is provided.
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Affiliation(s)
- Virginie Gorteau
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
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Abstract
The development of low molecular weight anion transporters is an emerging topic in supramolecular chemistry. The major focus of this tutorial review is on synthetic chloride transport systems that operate in vesicle and cell membranes. The transporters alter transmembrane concentration gradients, and thus they have applications as reagents for cell biology research and as potential chemotherapeutic agents. The molecular designs include monomolecular channels, self-assembled channels and mobile carriers. Also discussed are the experimental assays that measure transport rates across model bilayer membranes.
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Affiliation(s)
- Anthony P. Davis
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK.
| | - David N. Sheppard
- Department of Physiology, School of Medical Sciences, University of Bristol, University Walk, Bristol, BS8 1TD, UK.
| | - Bradley D. Smith
- Department of Chemistry and Biochemistry and Walther Cancer Research Center, University of Notre Dame, Notre Dame, Indiana 46556, USA.
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