1
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Rosokha SV. Anion-π Interactions: What's in the Name? Chempluschem 2023; 88:e202300350. [PMID: 37526504 DOI: 10.1002/cplu.202300350] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/02/2023]
Abstract
The studies of the anion-π interactions advanced during the last two decades from the discussion of the mere existence of this counter-intuitive bonding to its utilization for anion recognition and transport, catalysis, and other applications. Yet, there are substantial differences in the interpretation of nature and the driving forces of anion-π bonding. Most surprisingly, there are still different opinions about the meaning of this term (i. e., which associations can be considered anion-π complexes). After a brief overview of the studies in this area (including early examples of such complexes), we suggested that anion-π bonding occurs when there is evidence of a net attraction between a (close-shell) anion and the face of an electrophilic π-system. This definition encompasses fundamentally similar supramolecular complexes comprising diverse π-systems and anions and its general acceptance would facilitate a discussion of the nature and distinct driving forces of this fascinating interaction.
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Affiliation(s)
- Sergiy V Rosokha
- Chemistry Department, Ball State University, Muncie, IN 47306, USA
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2
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Gomez-Vega J, Soto-Cruz JM, Juárez-Sánchez O, Santacruz-Ortega H, Gálvez-Ruiz JC, Corona-Martínez DO, Pérez-González R, Ochoa Lara K. Tritopic Bis-Urea Receptors for Anion and Ion-Pair Recognition. ACS OMEGA 2022; 7:22244-22255. [PMID: 35811876 PMCID: PMC9260929 DOI: 10.1021/acsomega.2c00935] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
This work reports on the synthesis and characterization of three tritopic receptors and their binding properties toward various anions, as their tetrabutylammonium salts, and three alkali metal-acetate salts by UV-vis, fluorescence, 1H, 7Li, 23Na, and 39K NMR in MeCN/dimethyl sulfoxide (DMSO) 9:1 (v/v). Molecular recognition studies showed that the receptors have good affinity for oxyanions. Furthermore, these compounds are capable of ion-pair recognition of the alkali metal-acetate salts studied through a cooperative mechanism. Additionally, molecular modeling at the density functional theory (DFT) level of some lithium and sodium acetate complexes illustrates the ion-pair binding capacity of receptors. The anion is recognized through strong hydrogen bonds of the NH- groups from the two urea sites, while the cation interacts with the oxygen atoms of the polyether spacer. This work demonstrates that these compounds are good receptors for anions and ion pairs.
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Affiliation(s)
- Jancarlo Gomez-Vega
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Jesús Martín Soto-Cruz
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Octavio Juárez-Sánchez
- Departamento de Investigación en Física, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Hisila Santacruz-Ortega
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Juan Carlos Gálvez-Ruiz
- Departamento de Ciencias Químico Biológicas, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - David Octavio Corona-Martínez
- Departamento de Ciencias Químico Biológicas, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Refugio Pérez-González
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Karen Ochoa Lara
- Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
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3
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Pada Majhi T, Teat SJ, Kundu N. Synthesis and structure of vanadium (IV) single-stranded dihelicate involving multi-ring nitrogen-heterocyclic ligand. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100401] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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4
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Yan B, Lv Z, Chen S, Xiang L, Gong L, Xiang J, Fan H, Zeng H. Probing Anion - π interactions between fluoroarene and carboxylate anion in aqueous solutions. J Colloid Interface Sci 2022; 615:778-785. [PMID: 35176544 DOI: 10.1016/j.jcis.2022.01.184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/11/2022] [Accepted: 01/29/2022] [Indexed: 12/19/2022]
Abstract
Despite the much progress in developing π-conjugated fluoroarene moieties based functional materials in which anion - π interactions are commonly involved, it remains challenging to quantitatively characterize the nanomechanical interaction mechanism of these anion - π systems, particularly in aqueous solutions. In this study, we reported the first experimental quantification of the nanomechanics of anion - π interactions between π-conjugated fluoroarene moieties and carboxylate anions in aqueous solutions through direct molecular force measurements, with a special focus on the impact of the anion species, concentration and of the substitution effect of aromatic side group. The results using surface forces apparatus (SFA) and single-molecule force spectroscopy (SMFS) provide complementary evidences to demonstrate that the robust and reversible adhesion measured between the fluoroarene π systems and carboxylate anions was mainly attributed to anion - π interaction. Moreover, their nanomechanical properties were also systematically scrutinized, with the interaction strength being found to be significantly determined by the contact time, the type of fluoroarene systems (PFST > DFST) and the type of anions and ion concentration (HPO42- > CO32- > I- > Cl- ≈ NO3- > F-).
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Affiliation(s)
- Bin Yan
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Zezhong Lv
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Sheng Chen
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Li Xiang
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, T6G 1H9, Canada
| | - Lu Gong
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, T6G 1H9, Canada
| | - Jun Xiang
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China.
| | - Haojun Fan
- National Engineering Laboratory for Clean Technology of Leather Manufacture, College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, T6G 1H9, Canada.
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5
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Xu J, Wang X, Ruan H, Zhang X, Zhang Y, Yang Z, Wang Q, Wang T. Recent Advances in High-strength and High-toughness Polyurethanes Based on Supramolecular Interactions. Polym Chem 2022. [DOI: 10.1039/d2py00269h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Recent developments in supramolecular chemistry have generated increasing interest in supramolecular polymers and opened a window for the exploitation of various supramolecular polymeric materials and their multifunctional composites. High-performance polyurethanes,...
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6
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Malenov DP, Zarić SD. New Type of Aromatic π-Systems for Anion Recognition: Strong Anion-π and C-H⋅⋅⋅Anion Interactions Between Halides and Aromatic Ligands in Half-Sandwich Compounds. Chemistry 2021; 27:17862-17872. [PMID: 34719802 DOI: 10.1002/chem.202102896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Indexed: 11/11/2022]
Abstract
Half-sandwich compounds of benzene, cyclopentadienyl, pentamethylcyclopentadienyl, and indenyl were studied as a new type of aromatic π-systems for interactions with halide anions. Although uncoordinated benzene forms only C-H⋅⋅⋅anion interactions, and hexafluorobenzene forms only anion-π interactions, aromatic ligands in half-sandwich compounds can form both types of interactions, because their entire electrostatic potential surface is positive. These aromatic ligands can form stronger anion-π interactions than organic aromatic molecules, as a consequence of more pronounced dispersion and induction energy components. Moreover, C-H⋅⋅⋅anion interactions of aromatic ligands are stronger than anion-π interactions, and significantly stronger than C-H⋅⋅⋅anion interactions of benzene. Our study shows that transition-metal coordination can make aromatic moieties suitable for strong interactions with anions, and gives insight into the design of new anion receptors.
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Affiliation(s)
- Dušan P Malenov
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Snežana D Zarić
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
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Sandler I, Sharma S, Chan B, Ho J. Accurate Quantum Chemical Prediction of Gas-Phase Anion Binding Affinities and Their Structure-Binding Relationships. J Phys Chem A 2021; 125:9838-9851. [PMID: 34739245 DOI: 10.1021/acs.jpca.1c06648] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This paper systematically examines the performance of contemporary wavefunction and density functional theory methods to identify robust and cost-efficient methods for predicting gas-phase anion binding energies. This includes the local coupled cluster LNO-CCSD(T) and DLPNO-CCSD(T), as well as double-hybrid DSD-PBEP86-D3(BJ) and various hybrid functionals M06-2X, B3LYP-D3(BJ), ωB97M-V, and ωB97X-V. The focus is on dual-hydrogen-bonding anion receptors that are commonly found in supramolecular chemistry and organocatalysis, namely, (thio)ureas, deltamides, (thio)squaramides, and croconamides as well as the yet-to-be-explored rhodizonamides. Of the methods examined, M06-2X emerged as the overall best performing method as the other functionals including DSD-PBEP86-D3(BJ) and the local coupled cluster DLPNO-CCSD(T) method displayed systematic errors that increase with the degree of carbonylation of the receptors. Hybrid ONIOM models that employed semiempirical methods (PM7, GFN1-xTB, and GFN2-xTB) and "threefold"-corrected small-basis set potentials (HF-3c, B97-3c, and PBEh-3c) were explored, and the best models resulted in 50- to 500-fold reduction in CPU time compared to W1-local. These calculations provide important insight into the structure-binding relationships where there is a direct correlation between Brønsted acidity and anion binding affinity, though the strength of the correlation also depends on other factors such as hydrogen-bonding geometry and the geometrical distortion that the receptor needs to undergo to bind the anion.
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Affiliation(s)
- Isolde Sandler
- School of Chemistry, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Shaleen Sharma
- School of Chemistry, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Bun Chan
- Graduate School of Engineering, Nagasaki University, Bukyo-Machi 1-14, Nagasaki 852-8521, Japan
| | - Junming Ho
- School of Chemistry, The University of New South Wales, Sydney, New South Wales 2052, Australia
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8
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Abstract
It follows from the Schrödinger equation that the forces operating within molecules and molecular complexes are Coulombic, which necessarily entails both electrostatics and polarization. A common and important class of molecular complexes is due to π-holes. These are molecular regions of low electronic density that are perpendicular to planar portions of the molecular frameworks. π-Holes often have positive electrostatic potentials associated with them, which result in mutually polarizing attractive forces with negative sites such as lone pairs, π electrons or anions. In many molecules, π-holes correspond to a flattening of the electronic density surface but in benzene derivatives and in polyazines the π-holes are craters above and below the rings. The interaction energies of π-hole complexes can be expressed quite well in terms of regression relationships that account for both the electrostatics and the polarization. There is a marked gradation in the interaction energies, from quite weak (about -2 kcal mol-1) to relatively strong (about -40 kcal mol-1). Gradations are also evident in the ratios of the intermolecular separations to the sums of the respective van der Waals radii and in the gradual transition of the π-hole atoms from trigonal to quasi-tetrahedral configurations. These trends are consistent with the concept that chemical interactions form a continuum, from very weak to very strong.
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Affiliation(s)
- Peter Politzer
- Department of Chemistry, University of New Orleans, New Orleans, LA 70148, USA.
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9
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Roohi H, Safari A. The interplay between anion-π and H-bonding interactions in X −···s-Triazine···(HF) n(HCl) 3-n (X = F −, Cl − and CN −) complexes: DFT and DFT-D study. Mol Phys 2021. [DOI: 10.1080/00268976.2020.1827179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Hossein Roohi
- Quantum Chemistry Laboratory, Department of Chemistry, Faculty of Science, University of Guilan, Rasht, Iran
| | - Alireza Safari
- Quantum Chemistry Laboratory, Department of Chemistry, Faculty of Science, University of Guilan, Rasht, Iran
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10
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Wang DX, Wang MX. Exploring Anion-π Interactions and Their Applications in Supramolecular Chemistry. Acc Chem Res 2020; 53:1364-1380. [PMID: 32559061 DOI: 10.1021/acs.accounts.0c00243] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Noncovalent bond interactions provide primary driving forces for supramolecular processes ranging from molecular recognition to self-assembly of sophisticated abiotic and biological machineries. While hydrogen bonding and π-π interactions are arguably textbook concepts playing indispensable parts in various scientific disciplines, noncovalent anion-π interactions have been emerging as attractive forces between π systems and negatively charged species for just about two decades. At the beginning of this century, three research groups reported independently their computational studies on the interactions between anions and aromatic compounds, proposing attractive anion-π interactions. Since π systems such as aromatic rings are traditionally noted as electron rich entities, anions and π systems would be repulsive to each other if there are any interactions. In stark contrast to the acknowledged cation-π interactions, the seemingly counterintuitive noncovalent anion-π bindings invoked great interest in the following years. Although a plethora of calculations had been published, the lack of experimental evidence cast doubt on the existence of anion-π interactions between anions and charge-neutral aromatic systems.During the same time when anion-π interactions were coined, we were studying the chemistry of novel macrocyclic compounds, namely, heteracalixaromatics, and their applications in supramolecular chemistry. It has been shown that heteracalixaromatics are powerful and versatile macrocyclic hosts to bind various guest species forming interesting assembled structures and organometallic complexes. Being a member of heteracalixaromatics, tetraoxacalix[2]arene[2]triaizne adopts a 1,3-alternate conformational structure yielding a V-shaped cavity or cleft formed by two electron-deficient triazine rings. Advantageously, the macrocycle is able to self-tune the cavity sizes by altering the degrees of conjugation between the bridging oxygen atoms with their bonded aromatic rings in response to the guest species in present, rendering it an ideal tool to explore anion-π interactions. We initiated our study on anion-π interactions using tetraoxacalix[2]arene[2]triazine as a molecular tool with the primary aim to clarify experimentally the uncertainty of whether exclusive anion-π interactions exist between anions and charge-neutral aromatic rings. We provided for the first time concrete evidence substantiating the formation of typical anion-π interaction between the anions and 1,3,5-triazine ring and demonstrated subsequently the generality and binding motifs of anion-π interactions. We have then extended our study to anion-π interaction-directed or -driven anion recognition and selective sensing, transmembrane anion transport, molecular self-assembly, and stimuli-responsive aggregation systems. A number of new generation macrocycles and cages constructed from electron-deficient tetrazine and benzenetriimide segments have also been developed in the meantime, advancing the study of anion-π interactions. This Account summarizes our endeavors to explore nascent anion-π interactions and their applications in supramolecular chemistry. We hope this Account will inspire scientists from various disciplines to explore all aspects of the nascent yet fruitful research area of anion-π interactions.
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Affiliation(s)
- De-Xian Wang
- CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Science, Beijing National Laboratory for Molecular Sciences, Beijing 100191, China
- University of Chinese Academy of Sciences, Beijing 10049, China
| | - Mei-Xiang Wang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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11
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Zhu S, Huang X, Yang X, Peng P, Li Z, Jin C. Enhanced Transformation of Cr(VI) by Heterocyclic-N within Nitrogen-Doped Biochar: Impact of Surface Modulatory Persistent Free Radicals (PFRs). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:8123-8132. [PMID: 32491842 DOI: 10.1021/acs.est.0c02713] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Redox processes mediated by biochar(BC) enhanced the transformation of Cr(VI), which is largely dependent on the presence of PFRs as electron donors. Natural or artificial dopants in BC's could regulate inherent carbon configuration and PFRs. Until recently, the modulation of PFRs and transformation of Cr(VI) in BC by nonmetal-heterocyclic dopants was barely studied. In this study, changes in PFRs introduced by various nitrogen-dopants within BC are presented and the capacity for Cr(VI) transformation without light was investigated. It was found N-dopants were effectively embedded in carbon lattices through activated-Maillard reaction thus altering their charge and PFRs. Transformation of Cr(VI) in N doped biochar relied on mediated direct reduction by surface modulatory PFRs. The kinetic rate of transformation of Cr(VI) was increased 1.4-5 fold in N-BCs compared to nondoped BCs. Theortical calculation suggested a deficiency in surface electrons induced Lewis acid-base bonding which could acted as a bridge for electron transfer. Results of PCA and orbital energy indicated a colinear relationship between PFRs and pyrrolic N, as well as its dual-mode transformation of Cr(VI). This study provides an improved understanding of how N-doped BC contributes to the evolution of PFRs and their corresponding impacts on the transformation of Cr(VI) in environments.
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Affiliation(s)
- Shishu Zhu
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, PR China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Xiaochen Huang
- School of Environment, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Xiaobao Yang
- Department of Physics, South China University of Technology, Guangzhou 510640, P. R. China
| | - Peng Peng
- Department of Mechanics and Mechatronics Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
| | - Zhipeng Li
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
| | - Chao Jin
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, PR China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-Sen University, Guangzhou 510275, PR China
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12
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Soliman SM, Albering JH, Sholkamy EN, El‐Faham A. Mono‐ and penta‐nuclear self‐assembled silver(I) complexes of pyrazolyl
s
‐triazine ligand; synthesis, structure and antimicrobial studies. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5603] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Saied M. Soliman
- Department of Chemistry, Faculty of ScienceAlexandria University PO Box 426, Ibrahimia Alexandria 21321 Egypt
| | - Jörg H. Albering
- Graz University of Technology Mandellstr. 11/III, A‐8010 Graz Austria
| | - Essam N. Sholkamy
- Department of Botany and MicrobiologyCollege of Science, King Saud University PO Box 2455 Riyadh 11451 Saudi Arabia
| | - Ayman El‐Faham
- Department of ChemistryCollege of Science, King Saud University PO Box 2455, Riyadh11451 Saudi Arabia
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13
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Ikumura Y, Habuka Y, Sakai S, Shinohara T, Yuge H, Rzeznicka II, Hori A. Enhanced and Heteromolecular Guest Encapsulation in Nonporous Crystals of a Perfluorinated Triketonato Dinuclear Copper Complex. Chemistry 2020; 26:5051-5060. [PMID: 32026510 DOI: 10.1002/chem.201905740] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/24/2020] [Indexed: 01/03/2023]
Abstract
The flexible host framework of a perfluorinated mononuclear copper complex, [Cu(L1 )2 ] (1, HL1 =3-hydroxy-1,3-bis(pentafluorophenyl)-2-propen-1-one), with a CuO4 core reversibly encapsulated several organic guest molecules through electrostatic interactions in its crystals. Hence, the corresponding dinuclear complex, [Cu2 (L2 )2 ] (2, H2 L2 =1,5-dihydroxy-1,5-bis(pentafluorophenyl)-1,4-pentadien-3-one), was prepared to enhance guest recognition and the ability to separate molecular mixtures. Complex 2 comprises a Cu2 O6 core and four pentafluorophenyl groups. In crystal 2, cavities are formed on the axial sites of the metal core that are surrounded by pentafluorophenyl groups. The crystal of 2 encapsulates various guest molecules, that is, benzene (3), toluene (4), xylene (5), mesitylene (6), durene (7), and anisole (8). X-ray crystallographic and thermogravimetric (TG) studies show that three guest molecules are present in the crystal cavities. The number of guest molecules found in complex 2 was higher than that in complex 1, for example, (2)3 ⋅(6)10 >1⋅(6)2 , (2)2 ⋅(7)7 >1⋅7, or 2⋅(8)3 >1⋅(8)2 . Naphthalene (9), was encapsulated in 2 to give 2⋅(9)3 , but not in 1. In the crystal of complex 2, heteromolecular guest encapsulation was confirmed, designated as 2⋅(3)2 ⋅9. TG analysis indicates that the thermal stability of the guest-included crystals of 2 is higher than that of 1.
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Affiliation(s)
- Yoshinori Ikumura
- Graduate School of Engineering and Science, Shibaura Institute of Technology, Fukasaku 307, Minuma-ku, Saitama-shi, Saitama, 337-8570, Japan
| | - Yusuke Habuka
- Graduate School of Engineering and Science, Shibaura Institute of Technology, Fukasaku 307, Minuma-ku, Saitama-shi, Saitama, 337-8570, Japan
| | - Shunichiro Sakai
- Department of Chemistry, School of Science, Kitasato University, Kitasato 1-15-1, Minami-ku, Sagamihara-shi, Kanagawa, 252-0373, Japan
| | - Takanori Shinohara
- Department of Chemistry, School of Science, Kitasato University, Kitasato 1-15-1, Minami-ku, Sagamihara-shi, Kanagawa, 252-0373, Japan
| | - Hidetaka Yuge
- Department of Chemistry, School of Science, Kitasato University, Kitasato 1-15-1, Minami-ku, Sagamihara-shi, Kanagawa, 252-0373, Japan
| | - Izabela I Rzeznicka
- Graduate School of Engineering and Science, Shibaura Institute of Technology, Fukasaku 307, Minuma-ku, Saitama-shi, Saitama, 337-8570, Japan
| | - Akiko Hori
- Graduate School of Engineering and Science, Shibaura Institute of Technology, Fukasaku 307, Minuma-ku, Saitama-shi, Saitama, 337-8570, Japan
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14
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de Bettencourt-Dias A, Beeler RM, Zimmerman JR. Secondary-Sphere Chlorolanthanide(III) Complexes with a 1,3,5-Triazine-Based Ligand Supported by Anion-π, π-π, and Hydrogen-Bonding Interactions. Inorg Chem 2020; 59:151-160. [PMID: 31509390 DOI: 10.1021/acs.inorgchem.9b01804] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
2,4,6-Dipicolylamine-functionalized 1,3,5-triazine (dpat) was isolated. When reacted with LaCl3, compound [(LaCl6)(H3dpat)][H2O]2 (1) formed, which crystallized in the monoclinic P21/n space group with parameters a = 11.47 Å, b = 19.22 Å, c = 20.98 Å, V = 4652.02 Å, and β = 90.53°. When reacted with NdCl3, the complex [NdCl3(H2O)4(H3dpat)][Cl]3(MeOH)2 (2) crystallized in the monoclinic P21/n space group with unit cell parameters a = 20.05 Å, b = 12.81 Å, c = 20.64 Å, V = 5004.40 Å, and β = 110.20°. In both cases, the dpat ligand forms a bowl-shaped cavity that partially envelops the LnIII-containing central unit, which is anionic in 1 and neutral in 2. The formation of these outer-sphere complexes is supported by secondary interactions, including π-π stacking, hydrogen bonding, and anion-π between the chlorolanthanide(III) fragment and the electron-deficient 1,3,5-triazine ring. Evidence of protonation of the pyridine rings in dpat was substantiated through the isolation of [H2dpat][Cl]2 (3). This compound crystallized in the monoclinic C2/c space group with parameters a = 11.93 Å, b = 20.22 Å, c = 15.28 Å, V = 3664.97 Å, and β = 94.35°. Four pyridine rings are pairwise protonated in 3. dpat showed a moderate ability to extract LaIII from an aqueous to an organic phase, indicating its potential, through judicious manipulation of secondary-sphere interactions, as the starting point for efficient extractants for LnIII ions.
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Affiliation(s)
| | - Rose M Beeler
- Department of Chemistry , University of Nevada , Reno , Nevada 89557-0216 , United States
| | - Joshua R Zimmerman
- Department of Chemistry , University of Nevada , Reno , Nevada 89557-0216 , United States
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15
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Kuzniak E, Hooper J, Srebro-Hooper M, Kobylarczyk J, Dziurka M, Musielak B, Pinkowicz D, Raya J, Ferlay S, Podgajny R. A concerted evolution of supramolecular interactions in a {cation; metal complex; π-acid; solvent} anion-π system. Inorg Chem Front 2020. [DOI: 10.1039/d0qi00101e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Comprehensive studies on a concerted evolution of supramolecular interactions with multicomponent synthon reproduction provide a new tool to describe the trapping of flat [M(L)4]2− complexes within π-acidic cavities.
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Affiliation(s)
- Emilia Kuzniak
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
| | - James Hooper
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
| | | | | | | | - Bogdan Musielak
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
| | - Dawid Pinkowicz
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
| | - Jesus Raya
- Membrane Biophysics and NMR
- Institute of Chemistry
- UMR 7177
- University of Strasbourg
- 67000 Strasbourg
| | - Sylvie Ferlay
- Université de Strasbourg
- CNRS
- F-67000 Strasbourg
- France
| | - Robert Podgajny
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
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16
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Luo J, Zhu J, Tuo DH, Yuan Q, Wang L, Wang XB, Ao YF, Wang QQ, Wang DX. Macrocycle-Directed Construction of Tetrahedral Anion-π Receptors for Nesting Anions with Complementary Geometry. Chemistry 2019; 25:13275-13279. [PMID: 31398268 DOI: 10.1002/chem.201903272] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 08/07/2019] [Indexed: 12/19/2022]
Abstract
Manipulation of the emerging anion-π interactions in a highly cooperative manner through sophisticated host design represents a very challenging task. In this work, unprecedented tetrahedral anion-π receptors have been successfully constructed for complementary accommodation of tetrahedral and relevant anions. The synthesis was achieved by a macrocycle-directed approach by using large macrocycle precursors bearing four reactive sites, which enabled a kinetic-favored pathway and afforded the otherwise inaccessible tetrahedral cages in considerable yields. Crystal structure suggested that the tetrahedral cages have an enclosed three-dimensional cavity surrounded by four electron-deficient triazine faces in a tetrahedral array. The complementary accommodation of a series of tetrahedral and relevant anions including BF4 - , ClO4 - , H2 PO4 - , HSO4 - , SO4 2- and PF6 - was revealed by ESI-MS and DFT calculations. Crystal structures of ClO4 - and PF6 - complexes showed that the anion was nicely encapsulated within the tetrahedral cavity with up to quadruple cooperative anion-π interactions by an excellent shape and size match. The strong anion-π binding was further confirmed by negative ion photoelectron spectroscopy measurements.
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Affiliation(s)
- Jian Luo
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Jun Zhu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - De-Hui Tuo
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Qinqin Yuan
- Physical Sciences Division, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, MS K8-88, Richland, Washington, 99352, USA
| | - Lei Wang
- Physical Sciences Division, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, MS K8-88, Richland, Washington, 99352, USA
| | - Xue-Bin Wang
- Physical Sciences Division, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, MS K8-88, Richland, Washington, 99352, USA
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100190, P. R. China
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17
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de Bettencourt-Dias A, Beeler RM, Zimmerman JR. Anion-π and H-Bonding Interactions Supporting Encapsulation of [Ln(NO3)6/5]3–/2– (Ln = Nd, Er) with a Triazine-Based Ligand. J Am Chem Soc 2019; 141:15102-15110. [DOI: 10.1021/jacs.9b05566] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Rose M. Beeler
- Department of Chemistry, University of Nevada, Reno, Nevada 89557-0216, United States
| | - Joshua R. Zimmerman
- Department of Chemistry, University of Nevada, Reno, Nevada 89557-0216, United States
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18
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Wang XY, Zhu J, Wang QQ, Ao YF, Wang DX. Anion−π-Directed Self-Assembly between Di- and Trisulfonates and a Rigid Molecular Cage with Three Electron-Deficient V-Clefts. Inorg Chem 2019; 58:5980-5987. [DOI: 10.1021/acs.inorgchem.9b00295] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Xue-Yuan Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jun Zhu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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19
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Luo J, Ao YF, Wang QQ, Wang DX. Diversity-Oriented Construction and Interconversion of Multicavity Supermacrocycles for Cooperative Anion-π Binding. Angew Chem Int Ed Engl 2018; 57:15827-15831. [PMID: 30295403 DOI: 10.1002/anie.201810836] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Jian Luo
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; China
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; China
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20
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Luo J, Ao YF, Wang QQ, Wang DX. Diversity-Oriented Construction and Interconversion of Multicavity Supermacrocycles for Cooperative Anion-π Binding. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201810836] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jian Luo
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; China
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 China
- University of Chinese Academy of Sciences; China
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21
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Kashyap C, Ullah SS, Mazumder LJ, Kanti Guha A. Non-covalent interaction in benzene and substituted benzene: A theoretical study. COMPUT THEOR CHEM 2018. [DOI: 10.1016/j.comptc.2018.03.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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22
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23
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Anichini C, Czepa W, Pakulski D, Aliprandi A, Ciesielski A, Samorì P. Chemical sensing with 2D materials. Chem Soc Rev 2018; 47:4860-4908. [DOI: 10.1039/c8cs00417j] [Citation(s) in RCA: 342] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
During the last decade, two-dimensional materials (2DMs) have attracted great attention due to their unique chemical and physical properties, which make them appealing platforms for diverse applications in sensing of gas, metal ions as well as relevant chemical entities.
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Affiliation(s)
| | - Włodzimierz Czepa
- Faculty of Chemistry
- Adam Mickiewicz University
- 61614 Poznań
- Poland
- Centre for Advanced Technologies
| | | | | | | | - Paolo Samorì
- Université de Strasbourg
- CNRS
- ISIS
- 67000 Strasbourg
- France
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24
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Yu Z, Erbas A, Tantakitti F, Palmer LC, Jackman JA, Olvera de la Cruz M, Cho NJ, Stupp SI. Co-assembly of Peptide Amphiphiles and Lipids into Supramolecular Nanostructures Driven by Anion−π Interactions. J Am Chem Soc 2017; 139:7823-7830. [DOI: 10.1021/jacs.7b02058] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Zhilin Yu
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Aykut Erbas
- Department
of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Faifan Tantakitti
- Department
of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
| | - Liam C. Palmer
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
- Simpson
Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois 60611, United States
| | - Joshua A. Jackman
- School
of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore
- Centre for
Biomimetic Sensor Science, Nanyang Technological University, 639798 Singapore
| | - Monica Olvera de la Cruz
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
- Department
of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
- Department
of Physics, Northwestern University, Evanston, Illinois 60208, United States
| | - Nam-Joon Cho
- School
of Materials Science and Engineering, Nanyang Technological University, 639798 Singapore
- Centre for
Biomimetic Sensor Science, Nanyang Technological University, 639798 Singapore
- School
of Chemical and Biomedical Engineering, Nanyang Technological University, 639798 Singapore
| | - Samuel I. Stupp
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
- Department
of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
- Simpson
Querrey Institute for BioNanotechnology, Northwestern University, Chicago, Illinois 60611, United States
- Department
of Medicine, Northwestern University, Chicago, Illinois 60611, United States
- Department
of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, United States
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25
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Eytel LM, Gilbert AK, Görner P, Zakharov LN, Johnson DW, Haley MM. Do CH-Anion and Anion-π Interactions Alter the Mechanism of 2:1 Host-Guest Complexation in Arylethynyl Monourea Anion Receptors? Chemistry 2017; 23:4051-4054. [PMID: 28198117 DOI: 10.1002/chem.201605452] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Indexed: 11/06/2022]
Abstract
Selective tuning of arylethynyl urea scaffolds for anionic guests requires an understanding of preferred binding motifs of the host-guest interaction. To investigate the binding preference of receptors without a pre-organized binding pocket, two electron-deficient phenylacetylene receptors with a single urea moiety have been prepared and were found to bind halides as 2:1 host-guest complexes that feature key CH-anion or anion-π interactions. These supporting interactions also appear to influence the mechanism of the 2:1 binding event.
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Affiliation(s)
- Lisa M Eytel
- Department of Chemistry & Biochemistry and the Materials Science Institute, University of Oregon, Eugene, OR, 97403-1253, USA
| | - Annie K Gilbert
- Department of Chemistry & Biochemistry and the Materials Science Institute, University of Oregon, Eugene, OR, 97403-1253, USA
| | - Paul Görner
- Department of Chemistry & Biochemistry and the 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
| | - Darren W Johnson
- Department of Chemistry & Biochemistry and the Materials Science Institute, University of Oregon, Eugene, OR, 97403-1253, USA
| | - Michael M Haley
- Department of Chemistry & Biochemistry and the Materials Science Institute, University of Oregon, Eugene, OR, 97403-1253, USA
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26
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Xu RB, Wang QQ, Ao YF, Li ZY, Huang ZT, Wang DX. Anionic Head Containing Oxacalix[2]arene[2]triazines: Synthesis and Anion−π-Directed Self-Assembly in Solution and Solid State. Org Lett 2017; 19:738-741. [DOI: 10.1021/acs.orglett.7b00070] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rui-Bin Xu
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qi-Qiang Wang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Fei Ao
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhi-Yan Li
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Zhi-Tang Huang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - De-Xian Wang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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27
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Kapoor K, Duff MR, Upadhyay A, Bucci JC, Saxton AM, Hinde RJ, Howell EE, Baudry J. Highly Dynamic Anion-Quadrupole Networks in Proteins. Biochemistry 2016; 55:6056-6069. [PMID: 27753291 DOI: 10.1021/acs.biochem.6b00624] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The dynamics of anion-quadrupole (or anion-π) interactions formed between negatively charged (Asp/Glu) and aromatic (Phe) side chains are for the first time computationally characterized in RmlC (Protein Data Bank entry 1EP0 ), a homodimeric epimerase. Empirical force field-based molecular dynamics simulations predict anion-quadrupole pairs and triplets (anion-anion-π and anion-π-π) are formed by the protein during the simulated trajectory, which suggests that the anion-quadrupole interactions may provide a significant contribution to the overall stability of the protein, with an average of -1.6 kcal/mol per pair. Some anion-π interactions are predicted to form during the trajectory, extending the number of anion-quadrupole interactions beyond those predicted from crystal structure analysis. At the same time, some anion-π pairs observed in the crystal structure exhibit marginal stability. Overall, most anion-π interactions alternate between an "on" state, with significantly stabilizing energies, and an "off" state, with marginal or null stabilizing energies. The way proteins possibly compensate for transient loss of anion-quadrupole interactions is characterized in the RmlC aspartate 84-phenylalanine 112 anion-quadrupole pair observed in the crystal structure. A double-mutant cycle analysis of the thermal stability suggests a possible loss of anion-π interactions compensated by variations of hydration of the residues and formation of compensating electrostatic interactions. These results suggest that near-planar anion-quadrupole pairs can exist, sometimes transiently, which may play a role in maintaining the structural stability and function of the protein, in an otherwise very dynamic interplay of a nonbonded interaction network as well as solvent effects.
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Affiliation(s)
- Karan Kapoor
- UT/ORNL Graduate School of Genome Science and Technology, University of Tennessee , F337 Walters Life Science, Knoxville, Tennessee 37996, United States.,UT/ORNL Center for Molecular Biophysics , Building 2040, Oak Ridge, Tennessee 37830, United States
| | - Michael R Duff
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee , M407 Walters Life Sciences, Knoxville, Tennessee 37996, United States
| | - Amit Upadhyay
- UT/ORNL Graduate School of Genome Science and Technology, University of Tennessee , F337 Walters Life Science, Knoxville, Tennessee 37996, United States
| | - Joel C Bucci
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee , M407 Walters Life Sciences, Knoxville, Tennessee 37996, United States
| | - Arnold M Saxton
- Department of Animal Science, University of Tennessee , Knoxville, Tennessee 37996, United States
| | - Robert J Hinde
- Department of Chemistry, University of Tennessee , Knoxville, Tennessee 37996, United States
| | - Elizabeth E Howell
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee , M407 Walters Life Sciences, Knoxville, Tennessee 37996, United States
| | - Jerome Baudry
- Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee , M407 Walters Life Sciences, Knoxville, Tennessee 37996, United States.,UT/ORNL Center for Molecular Biophysics , Building 2040, Oak Ridge, Tennessee 37830, United States
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28
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29
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Bhowmik P, Das LK, Bauzá A, Chattopadhyay S, Frontera A, Ghosh A. Anion dependent supramolecular architectures in Cu(II) complexes containing N2O-donor Schiff-base and 4,4′-bipyridine ligands: Structural analyses and theoretical studies. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.03.049] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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30
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Lucío MI, Pichler F, Ramírez JR, de la Hoz A, Sánchez-Migallón A, Hadad C, Quintana M, Giulani A, Bracamonte MV, Fierro JLG, Tavagnacco C, Herrero MA, Prato M, Vázquez E. Triazine-Carbon Nanotubes: New Platforms for the Design of Flavin Receptors. Chemistry 2016; 22:8879-88. [DOI: 10.1002/chem.201600630] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Indexed: 11/05/2022]
Affiliation(s)
- María Isabel Lucío
- Departamento de Química Orgánica, Inorgánica y Bioquímica; Facultad de Ciencias y Tecnologías Químicas; IRICA Universidad de Castilla-La Mancha; Campus Universitario 13071 Ciudad Real Spain
- Dipartimento di Scienze Chimiche e Farmaceutiche Center of Excellence for Nanostructured Materials (CENMAT) & Italian Interuniversity Consortium on Materials Science and Technology (INSTM - Unit of Trieste); Università degli Studi di Trieste; Piazzale Europa 1 34127 Trieste Italy
| | - Federica Pichler
- Departamento de Química Orgánica, Inorgánica y Bioquímica; Facultad de Ciencias y Tecnologías Químicas; IRICA Universidad de Castilla-La Mancha; Campus Universitario 13071 Ciudad Real Spain
- Dipartimento di Scienze Chimiche e Farmaceutiche Center of Excellence for Nanostructured Materials (CENMAT) & Italian Interuniversity Consortium on Materials Science and Technology (INSTM - Unit of Trieste); Università degli Studi di Trieste; Piazzale Europa 1 34127 Trieste Italy
| | - José Ramón Ramírez
- Departamento de Química Orgánica, Inorgánica y Bioquímica; Facultad de Ciencias y Tecnologías Químicas; IRICA Universidad de Castilla-La Mancha; Campus Universitario 13071 Ciudad Real Spain
| | - Antonio de la Hoz
- Departamento de Química Orgánica, Inorgánica y Bioquímica; Facultad de Ciencias y Tecnologías Químicas; IRICA Universidad de Castilla-La Mancha; Campus Universitario 13071 Ciudad Real Spain
| | - Ana Sánchez-Migallón
- Departamento de Química Orgánica, Inorgánica y Bioquímica; Facultad de Ciencias y Tecnologías Químicas; IRICA Universidad de Castilla-La Mancha; Campus Universitario 13071 Ciudad Real Spain
| | - Caroline Hadad
- Dipartimento di Scienze Chimiche e Farmaceutiche Center of Excellence for Nanostructured Materials (CENMAT) & Italian Interuniversity Consortium on Materials Science and Technology (INSTM - Unit of Trieste); Università degli Studi di Trieste; Piazzale Europa 1 34127 Trieste Italy
| | - Mildred Quintana
- Instituto de Física Universidad Autónoma de San Luis Potosí; Manuel Nava 6, Zona Universitaria 78290 San Luis Potosí, SLP Mexico
| | - Angela Giulani
- Dipartimento di Scienze Chimiche e Farmaceutiche Center of Excellence for Nanostructured Materials (CENMAT) & Italian Interuniversity Consortium on Materials Science and Technology (INSTM - Unit of Trieste); Università degli Studi di Trieste; Piazzale Europa 1 34127 Trieste Italy
| | - Maria Victoria Bracamonte
- Dipartimento di Scienze Chimiche e Farmaceutiche Center of Excellence for Nanostructured Materials (CENMAT) & Italian Interuniversity Consortium on Materials Science and Technology (INSTM - Unit of Trieste); Università degli Studi di Trieste; Piazzale Europa 1 34127 Trieste Italy
- Instituto de Física Enrique Gaviola (CONICET) and FaMAF; Universidad Nacional de Córdoba Medina Allende s/n; X5000HUA Córdoba Argentina
| | - Jose L. G. Fierro
- Instituto de Catálisis y Petroleoquímica CSIC Cantoblanco; 28049 Madrid Spain
| | - Claudio Tavagnacco
- Dipartimento di Scienze Chimiche e Farmaceutiche Center of Excellence for Nanostructured Materials (CENMAT) & Italian Interuniversity Consortium on Materials Science and Technology (INSTM - Unit of Trieste); Università degli Studi di Trieste; Piazzale Europa 1 34127 Trieste Italy
| | - María Antonia Herrero
- Departamento de Química Orgánica, Inorgánica y Bioquímica; Facultad de Ciencias y Tecnologías Químicas; IRICA Universidad de Castilla-La Mancha; Campus Universitario 13071 Ciudad Real Spain
| | - Maurizio Prato
- Dipartimento di Scienze Chimiche e Farmaceutiche Center of Excellence for Nanostructured Materials (CENMAT) & Italian Interuniversity Consortium on Materials Science and Technology (INSTM - Unit of Trieste); Università degli Studi di Trieste; Piazzale Europa 1 34127 Trieste Italy
| | - Ester Vázquez
- Departamento de Química Orgánica, Inorgánica y Bioquímica; Facultad de Ciencias y Tecnologías Químicas; IRICA Universidad de Castilla-La Mancha; Campus Universitario 13071 Ciudad Real Spain
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31
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Abstract
The σ-hole and π-hole are the regions with positive surface electrostatic potential on the molecule entity; the former specifically refers to the positive region of a molecular entity along extension of the Y-Ge/P/Se/X covalent σ-bond (Y = electron-rich group; Ge/P/Se/X = Groups IV-VII), while the latter refers to the positive region in the direction perpendicular to the σ-framework of the molecular entity. The directional noncovalent interactions between the σ-hole or π-hole and the negative or electron-rich sites are named σ-hole bond or π-hole bond, respectively. The contributions from electrostatic, charge transfer, and other terms or Coulombic interaction to the σ-hole bond and π-hole bond were reviewed first followed by a brief discussion on the interplay between the σ-hole bond and the π-hole bond as well as application of the two types of noncovalent interactions in the field of anion recognition. It is expected that this review could stimulate further development of the σ-hole bond and π-hole bond in theoretical exploration and practical application in the future.
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Affiliation(s)
- Hui Wang
- College of Chemistry, Beijing Normal University , Beijing 100875, People's Republic of China
| | - Weizhou Wang
- College of Chemistry and Chemical Engineering, Luoyang Normal University , Luoyang 471022, People's Republic of China
| | - Wei Jun Jin
- College of Chemistry, Beijing Normal University , Beijing 100875, People's Republic of China
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32
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Inhibition of DNA Topoisomerase Type IIα (TOP2A) by Mitoxantrone and Its Halogenated Derivatives: A Combined Density Functional and Molecular Docking Study. BIOMED RESEARCH INTERNATIONAL 2016; 2016:6817502. [PMID: 27088089 PMCID: PMC4754470 DOI: 10.1155/2016/6817502] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 12/15/2015] [Indexed: 02/07/2023]
Abstract
In this study, mitoxantrone and its halogenated derivatives have been designed by density functional theory (DFT) to explore their structural and thermodynamical properties. The performance of these drugs was also evaluated to inhibit DNA topoisomerase type IIα (TOP2A) by molecular docking calculation. Noncovalent interactions play significant role in improving the performance of halogenated drugs. The combined quantum and molecular mechanics calculations revealed that CF3 containing drug shows better preference in inhibiting the TOP2A compared to other modified drugs.
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33
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Chacón G, Pradel C, Saffon-Merceron N, Madec D, Gomez M. Palladium nanoparticles in ionic liquids stabilized by mono-phosphines. Catalytic applications. FRENCH-UKRAINIAN JOURNAL OF CHEMISTRY 2016. [DOI: 10.17721/fujcv4i1p37-50] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Palladium nanoparticles generated from organometallic complexes in the presence of functionalized mono-phosphines (L1-L3), in both THF and imidazolium-based ionic liquids (ImILs), were successfully synthesized. Depending on the phosphine and solvent nature, PdNPs with different extent of aggregation were observed. Actually, the ligand L1, P(CH2CH2CH2Ph)3, led to small and well-dispersed nanoparticles in both ILs, [BMI][PF6] and [EMI][HP(O)2OMe], in contrast to more agglomerated PdNPs obtained in THF. PdNPs in ILs were catalytically active and chemoselective in C-C cross-coupling (Suzuki-Miyaura and Heck-Mizoroki) and hydrogenation reactions. Well-defined Pd(0) and Pd(II) organometallic complexes containing L1, [PdCl2(L1)2] and [Pd(ma)(L1)2], were also prepared for comparative purposes.
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Durá G, Carrión MC, Jalón FA, Manzano BR, Rodríguez AM. Formation of Mono‐, Di‐ and Trinuclear Species in the Self‐Assembly of Bis(pyrazolyl)(pyridin‐3‐yl)methane Ligands and Metals with Different Coordination Geometries. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201501077] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Gema Durá
- Universidad de Castilla‐La Mancha, Departamento de Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias y Tecnologías Químicas‐IRICA, Avda. C. J. Cela, 10, 13071 Ciudad Real, Spain, http://www.uclm.es/grupo/qca/
| | - M. Carmen Carrión
- Universidad de Castilla‐La Mancha, Departamento de Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias y Tecnologías Químicas‐IRICA, Avda. C. J. Cela, 10, 13071 Ciudad Real, Spain, http://www.uclm.es/grupo/qca/
- Fundación Parque Científico y Tecnológico de Castilla‐La Mancha (Fundación PCTCLM), Bulevar Río Alberche s/n, 45007 Toledo, Spain
| | - Félix A. Jalón
- Universidad de Castilla‐La Mancha, Departamento de Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias y Tecnologías Químicas‐IRICA, Avda. C. J. Cela, 10, 13071 Ciudad Real, Spain, http://www.uclm.es/grupo/qca/
| | - Blanca R. Manzano
- Universidad de Castilla‐La Mancha, Departamento de Química Inorgánica, Orgánica y Bioquímica, Facultad de Ciencias y Tecnologías Químicas‐IRICA, Avda. C. J. Cela, 10, 13071 Ciudad Real, Spain, http://www.uclm.es/grupo/qca/
| | - Ana M. Rodríguez
- Universidad de Castilla‐La Mancha, Departamento de Química Inorgánica, Orgánica y Bioquímica, Escuela Técnica Superior de Ingenieros Industriales, Avda. C. J. Cela, 3, 13071 Ciudad Real, Spain
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Kazemi Z, Rudbari HA, Mirkhani V, Sahihi M, Moghadam M, Tangestaninejad S, Mohammadpoor-Baltork I. Synthesis, characterization, crystal structure, DNA- and HSA-binding studies of a dinuclear Schiff base Zn(II) complex derived from 2-hydroxynaphtaldehyde and 2-picolylamine. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2015.04.033] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Affiliation(s)
- Michael Giese
- Institut
für Organische Chemie, Universität Duisburg Essen, Universitätsstraße
7, 45141 Essen, Germany
| | - Markus Albrecht
- Institut
für Organische Chemie, RWTH Aachen University, Landoltweg
1, 52074 Aachen, Germany
| | - Kari Rissanen
- Department
of Chemistry, Nanoscience Center, University of Jyvaskyla, P.O. Box. 35, FI-40014 Jyvaskylan yliopisto, Finland
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37
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The Bright Future of Unconventional σ/π-Hole Interactions. Chemphyschem 2015; 16:2496-517. [DOI: 10.1002/cphc.201500314] [Citation(s) in RCA: 475] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Indexed: 01/25/2023]
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Anion Recognition by Pyrylium Cations and Thio-, Seleno- and Telluro- Analogues: A Combined Theoretical and Cambridge Structural Database Study. Molecules 2015; 20:11632-59. [PMID: 26114926 PMCID: PMC6332262 DOI: 10.3390/molecules200711632] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 06/17/2015] [Accepted: 06/18/2015] [Indexed: 01/04/2023] Open
Abstract
Pyrylium salts are a very important class of organic molecules containing a trivalent oxygen atom in a six-membered aromatic ring. In this manuscript, we report a theoretical study of pyrylium salts and their thio-, seleno- and telluro- analogues by means of DFT calculations. For this purpose, unsubstituted 2,4,6-trimethyl and 2,4,6-triphenyl cations and anions with different morphologies were chosen (Cl–, NO3– and BF4–). The complexes were characterized by means of natural bond orbital and “atoms-in-molecules” theories, and the physical nature of the interactions has been analyzed by means of symmetry-adapted perturbation theory calculations. Our results indicate the presence of anion-π interactions and chalcogen bonds based on both σ- and π-hole interactions and the existence of very favorable σ-complexes, especially for unsubstituted cations. The electrostatic component is dominant in the interactions, although the induction contributions are important, particularly for chloride complexes. The geometrical features of the complexes have been compared with experimental data retrieved from the Cambridge Structural Database.
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Lucas X, Bauzá A, Frontera A, Quiñonero D. A thorough anion-π interaction study in biomolecules: on the importance of cooperativity effects. Chem Sci 2015; 7:1038-1050. [PMID: 29899893 PMCID: PMC5967298 DOI: 10.1039/c5sc01386k] [Citation(s) in RCA: 160] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Accepted: 06/05/2015] [Indexed: 12/23/2022] Open
Abstract
The importance of anion–π interactions in key biological processes is reported from a PDB analysis of anion–π interactions in biomolecules, also considering cooperativity effects by including other interactions.
Noncovalent interactions have a constitutive role in the science of intermolecular relationships, particularly those involving aromatic rings such as π–π and cation–π. In recent years, anion–π contact has also been recognized as a noncovalent bonding interaction with important implications in chemical processes. Yet, its involvement in biological processes has been scarcely reported. Herein we present a large-scale PDB analysis of the occurrence of anion–π interactions in proteins and nucleic acids. In addition we have gone a step further by considering the existence of cooperativity effects through the inclusion of a second noncovalent interaction, i.e. π-stacking, T-shaped, or cation–π interactions to form anion–π–π and anion–π–cation triads. The statistical analysis of the thousands of identified interactions reveals striking selectivities and subtle cooperativity effects among the anions, π-systems, and cations in a biological context. The reported results stress the importance of anion–π interactions and the cooperativity that arises from ternary contacts in key biological processes, such as protein folding and function and nucleic acids–protein and protein–protein recognition. We include examples of anion–π interactions and triads putatively involved in enzymatic catalysis, epigenetic gene regulation, antigen–antibody recognition, and protein dimerization.
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Affiliation(s)
- Xavier Lucas
- Pharmaceutical Bioinformatics , Institute of Pharmaceutical Sciences , Albert-Ludwigs-University , Hermann-Herder-Str. 9 , D-79104 Freiburg , Germany . ; ; Tel: +34 971173498
| | - Antonio Bauzá
- Departament de Química , Universitat de les Illes Balears , Crta. de Valldemossa km 7.5 , 07122 Palma de Mallorca , Spain .
| | - Antonio Frontera
- Departament de Química , Universitat de les Illes Balears , Crta. de Valldemossa km 7.5 , 07122 Palma de Mallorca , Spain .
| | - David Quiñonero
- Departament de Química , Universitat de les Illes Balears , Crta. de Valldemossa km 7.5 , 07122 Palma de Mallorca , Spain .
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Chen Y, Wang F. Theoretical study of interactions between electron-deficient arenes and coinage metal anions. J Mol Model 2015; 21:38. [PMID: 25663520 DOI: 10.1007/s00894-015-2584-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Accepted: 01/19/2015] [Indexed: 11/25/2022]
Abstract
The binding behavior of coinage metal anions with some electron-deficient arenes has been investigated by MP2 calculations, and the character of interactions in these complexes has been examined by NBO analysis. The results indicate that coinage metal anions can interact with electron-deficient arenes to form anion-π, strong σ-type and hydrogen-bonding complexes. The σ-type structure is the global minimum for triazine, trifluorotriazine, hexafluorobenzene and tricyanobenzene, and the hydrogen-bonding structure is the global minimum for trifluorobenzene. There exist some differences in the stability of anion-π complexes for coinage metal anions: the anion-π complexes of Au(-) are minima expect for triazine complex; the anion-π complexes of Ag(-) are minima expect for tricyanobenzene complex; and the anion-π complexes of Cu(-) are not minima expect for trifluorobenzene complex. The binding strength of anion-π and hydrogen-bonding complexes for Au(-) is larger than that for Ag(-) and Cu(-), but the binding strength of σ complex displays a different sequence: Cu(-) > Au(-) > Ag(-). The binding behavior of coinage metal anions is more similar to that of F(-) than that of Cl(-) and Br(-). The relaxed potential energy surface scans for some selected systems have been performed to help understand the interactions between coinage metal anions with electron-deficient arenes.
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Affiliation(s)
- Yishan Chen
- School of Chemistry & Chemical Engineering, Qujing Normal University, Qujing, 655011, Yunnan, China,
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Khorshidifard M, Amiri Rudbari H, Kazemi-Delikani Z, Mirkhani V, Azadbakht R. Synthesis, characterization and X-ray crystal structures of Vanadium(IV), Cobalt(III), Copper(II) and Zinc(II) complexes derived from an asymmetric bidentate Schiff-base ligand at ambient temperature. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2014.10.071] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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42
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Wang K, Lv J, Miao J. Assessment of density functionals and force field methods on anion–π interaction in heterocyclic calix complexes. Theor Chem Acc 2015. [DOI: 10.1007/s00214-015-1616-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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43
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Gadre SR, Kumar A. Understanding Lone Pair-π Interactions from Electrostatic Viewpoint. CHALLENGES AND ADVANCES IN COMPUTATIONAL CHEMISTRY AND PHYSICS 2015. [DOI: 10.1007/978-3-319-14163-3_13] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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44
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Zhang J, Zhou B, Sun ZR, Wang XB. Photoelectron spectroscopy and theoretical studies of anion–π interactions: binding strength and anion specificity. Phys Chem Chem Phys 2015; 17:3131-3141. [DOI: 10.1039/c4cp04687k] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Direct experimental measurements of non-covalent interactions between various anions and a π-electron-deficient cavity show significant binding strength and anion specificity.
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Affiliation(s)
- Jian Zhang
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
- Physical Sciences Division
| | - Bin Zhou
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Zhen-Rong Sun
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Xue-Bin Wang
- Physical Sciences Division
- Pacific Northwest National Laboratory
- Richland
- USA
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45
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Yi H, Albrecht M, Valkonen A, Rissanen K. Perfluoro-1,1′-biphenyl and perfluoronaphthalene and their derivatives as π-acceptors for anions. NEW J CHEM 2015. [DOI: 10.1039/c4nj01654h] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Perfluoro-1,1′-biphenyl and perfluoronaphthalene are identified experimentally as π-acceptors for anions by studying the parent systems as well as cationic derivatives.
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Affiliation(s)
- Hai Yi
- Institut für Organische Chemie
- RWTH Aachen
- 52074 Aachen
- Germany
| | - Markus Albrecht
- Institut für Organische Chemie
- RWTH Aachen
- 52074 Aachen
- Germany
| | - Arto Valkonen
- Department of Chemistry
- Nanoscience Center
- University of Jyväskylä
- 40014 Jyväskylä
- Finland
| | - Kari Rissanen
- Department of Chemistry
- Nanoscience Center
- University of Jyväskylä
- 40014 Jyväskylä
- Finland
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46
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Safin DA, Pialat A, Leitch AA, Tumanov NA, Korobkov I, Filinchuk Y, Brusso JL, Murugesu M. Anion-induced AgIself-assemblies with electron deficient aromatic ligands: anion–π-system interactions as a driving force for templated coordination networks. Chem Commun (Camb) 2015; 51:9547-50. [DOI: 10.1039/c5cc01597a] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
1D, 2D and 3D AgIcoordination polymers were isolated using nitrogen based 3,6-bis(2′-pyrimidyl)-1,2,4,5-tetrazine and 2,4,6-tris(2-pyrimidyl)-1,3,5-triazine ligands.
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Affiliation(s)
- Damir A. Safin
- Department of Chemistry
- University of Ottawa
- Ottawa
- Canada K1N 6N5
| | - Amélie Pialat
- Department of Chemistry
- University of Ottawa
- Ottawa
- Canada K1N 6N5
| | | | - Nikolay A. Tumanov
- Institute of Condensed Matter and Nanosciences
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
| | - Ilia Korobkov
- Department of Chemistry
- University of Ottawa
- Ottawa
- Canada K1N 6N5
| | - Yaroslav Filinchuk
- Institute of Condensed Matter and Nanosciences
- Université catholique de Louvain
- 1348 Louvain-la-Neuve
- Belgium
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Foroutan-Nejad C, Badri Z, Marek R. Multi-center covalency: revisiting the nature of anion–π interactions. Phys Chem Chem Phys 2015; 17:30670-9. [DOI: 10.1039/c5cp05777a] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Plot of the delocalization index, δ(X−,Ω), scaled by the internuclear distance, RX,Ω, versus the exchange–correlation potential energy, VXC(X−,Ω), for anion–π complexes.
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Affiliation(s)
- Cina Foroutan-Nejad
- CEITEC – Central European Institute of Technology
- Masaryk University
- CZ-625 00 Brno
- Czech Republic
| | - Zahra Badri
- CEITEC – Central European Institute of Technology
- Masaryk University
- CZ-625 00 Brno
- Czech Republic
| | - Radek Marek
- CEITEC – Central European Institute of Technology
- Masaryk University
- CZ-625 00 Brno
- Czech Republic
- Department of Chemistry
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48
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Gil-García R, Gómez-Saiz P, Díez-Gómez V, Madariaga G, Insausti M, Lezama L, Cuevas JV, García-Tojal J. Thiosemicarbazonecopper(II) compounds with halide/hexafluorosilicate anions: Structure, water clusters, non-covalent interactions and magnetism. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.07.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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Hori A, Nakajima K, Akimoto Y, Naganuma K, Yuge H. Guest-adjusted encapsulation and thermal studies of non-porous mononuclear Cu(ii) coordination complexes through electrostatic interactions induced by fluorine substitution. CrystEngComm 2014. [DOI: 10.1039/c4ce01243g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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MOHAPATRA SUDIP, ROY SYAMANTAK, GHOSHAL DEBAJYOTI, MAJI TAPASKUMAR. Two 3D supramolecular frameworks assembled from the dinuclear building block: A crystallographic evidence of carboxylate(O)…π interaction. J CHEM SCI 2014. [DOI: 10.1007/s12039-014-0674-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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