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Gos M, Cebula J, Goszczyński TM. Metallacarboranes in Medicinal Chemistry: Current Advances and Future Perspectives. J Med Chem 2024; 67:8481-8501. [PMID: 38769934 DOI: 10.1021/acs.jmedchem.4c00157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Metallacarboranes, exemplified by cobalt bis(dicarbollide) ([COSAN]-), have excelled their historical metallocene analogue label to become promising in drug design, medical studies, and fundamental biological research. Serving as a unique platform for conjugation with biomolecules, they also constitute an auspicious building block for biologically active derivatives and a carrier for cellular transport of membrane-impermeable cargos. Modified [COSAN]- exhibits specific antimicrobial, antiviral, and anticancer actions showing promise for preclinical trials. Contributing to the ongoing development in medicinal chemistry, metallacarboranes offer desirable physicochemical properties and low acute toxicity. This article presents a critical look at metallacarboranes in the context of their application in medicinal chemistry, emphasizing [COSAN]- as a potential game-changer in drug design and biomedical sciences. As medicinal chemistry seeks innovative building blocks, metallacarboranes emerge as an important novelty with versatile solutions and promising implications.
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Affiliation(s)
- Michalina Gos
- Laboratory of Biomedical Chemistry, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wrocław, Poland
| | - Jakub Cebula
- Laboratory of Biomedical Chemistry, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wrocław, Poland
| | - Tomasz M Goszczyński
- Laboratory of Biomedical Chemistry, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wrocław, Poland
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Xu X, Cui Q, Chen H, Huang N. Carborane-Based Three-Dimensional Covalent Organic Frameworks. J Am Chem Soc 2023; 145:24202-24209. [PMID: 37890127 DOI: 10.1021/jacs.3c08541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2023]
Abstract
The predesignable porous structure and high structural flexibility of covalent organic frameworks (COFs) render this material desirable as a platform for addressing various cutting-edge issues. Precise control over their composition, topological structure, porosity, and stability to realize tailor-made functionality still remains a great challenge. In this work, we developed a new kind of three-dimensional (3D) carborane-based COF with a 7-fold interpenetrating dia topological diagram. The resulting COFs exhibited high crystallinity, exceptional porosity, and strong robustness. The slightly lower electronegativity of boron (2.04) than that of hydrogen (2.20) can lead to the polarization of the B-H bond into a Bδ+-Hδ- mode, which renders these COFs as high-performance materials for the adsorption and separation of hexane isomers through the B-Hδ-···Hδ+-C interaction. Significantly, the carborane content of obtained COFs reached up to 54.2 wt %, which gets the highest rank among all the reported porous materials. Combining high surface area, strong robustness, and high content of carborane, the obtained COFs can work as efficient adsorbents for the separation of the five hexane isomers with high separation factors. This work not only enhances the diversity of 3D functional COFs but also constitutes a further step toward the efficient separation of alkane isomers.
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Affiliation(s)
- Xiaoyi Xu
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - Qirui Cui
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Hongzheng Chen
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - Ning Huang
- State Key Laboratory of Silicon and Advanced Semiconductor Materials, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
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Cui PF, Liu XR, Jin GX. Supramolecular Architectures Bearing Half-Sandwich Iridium- or Rhodium-Based Carboranes: Design, Synthesis, and Applications. J Am Chem Soc 2023; 145:19440-19457. [PMID: 37643971 DOI: 10.1021/jacs.3c05563] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
The utilization of carboranes in supramolecular chemistry has attracted considerable attention. The unique spatial configuration and weak interaction forces of carboranes can help to explore the properties of supramolecular complexes, particularly via host-guest chemistry. Additionally, certain difficulties encountered in carborane development─such as controlled B-H bond activation─can be overcome by judiciously selecting metal centers and their adjacent ligands. However, few studies are being conducted in this nascent research area. With advances in this field, novel carborane-based supramolecular complexes will likely be prepared, structurally characterized, and intrinsically investigated. To expedite these efforts, we present major findings from recent studies, including π-π interactions, host-guest associations, and steric effects, which have been leveraged to implement a regioselective process for activating B(2,9)-, B(2,8)-, and B(2,7)-H bonds of para-carboranes and B(4,7)-H bonds of ortho-carboranes. Future studies should clarify the unique weak interactions of carboranes and their potential for enhancing the utility of supramolecular complexes. Although carboranes exhibit several unique weak interactions (such as dihydrogen-bond [Bδ+-Hδ-···Hδ+-Cδ-], Bδ+-Hδ-···M+, and Bδ+-Hδ-···π interactions), the manner in which they can be utilized remains unclear. Supramolecular complexes, particularly those based on host-guest chemistry, can be utilized as a platform for demonstrating potential applications of these weak interactions. Owing to the importance of alkane separation, applications related to the recognition and separation of alkane isomers via dihydrogen-bond interactions are primarily summarized. Advances in the research of unique weak interactions in carboranes will certainly lead to more possibilities for supramolecular chemistry.
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Affiliation(s)
- Peng-Fei Cui
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200433, People's Republic of China
| | - Xin-Ran Liu
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200433, People's Republic of China
| | - Guo-Xin Jin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200433, People's Republic of China
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Fanfrlík J, Brynda J, Kugler M, Lepšík M, Pospíšilová K, Holub J, Hnyk D, Nekvinda J, Grüner B, Řezáčová P. B-H⋯π and C-H⋯π interactions in protein-ligand complexes: carbonic anhydrase II inhibition by carborane sulfonamides. Phys Chem Chem Phys 2023; 25:1728-1733. [PMID: 36594655 DOI: 10.1039/d2cp04673c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Among non-covalent interactions, B-H⋯π and C-H⋯π hydrogen bonding is rather weak and less studied. Nevertheless, since both can affect the energetics of protein-ligand binding, their understanding is an important prerequisite for reliable predictions of affinities. Through a combination of high-resolution X-ray crystallography and quantum-chemical calculations on carbonic anhydrase II/carborane-based inhibitor systems, this paper provides the first example of B-H⋯π hydrogen bonding in a protein-ligand complex. It shows that the B-H⋯π interaction is stabilized by dispersion, followed by electrostatics. Furthermore, it demonstrates that the similar C-H⋯π interaction is twice as strong, with a slightly smaller contribution of dispersion and a slightly higher contribution of electrostatics. Such a detailed insight will facilitate the rational design of future protein ligands, controlling these types of non-covalent interactions.
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Affiliation(s)
- Jindřich Fanfrlík
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague 6, Czech Republic.
| | - Jiří Brynda
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague 6, Czech Republic.
| | - Michael Kugler
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague 6, Czech Republic.
| | - Martin Lepšík
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague 6, Czech Republic.
| | - Klára Pospíšilová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague 6, Czech Republic.
| | - Josef Holub
- Institute of Inorganic Chemistry of the Czech Academy of Sciences, 250 68 Husinec-Řež, Czech Republic
| | - Drahomír Hnyk
- Institute of Inorganic Chemistry of the Czech Academy of Sciences, 250 68 Husinec-Řež, Czech Republic
| | - Jan Nekvinda
- Institute of Inorganic Chemistry of the Czech Academy of Sciences, 250 68 Husinec-Řež, Czech Republic
| | - Bohumír Grüner
- Institute of Inorganic Chemistry of the Czech Academy of Sciences, 250 68 Husinec-Řež, Czech Republic
| | - Pavlína Řezáčová
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nam. 2, 166 10, Prague 6, Czech Republic.
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History of Cobaltabis(dicarbollide) in Potentiometry, No Need for Ionophores to Get an Excellent Selectivity. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238312. [PMID: 36500404 PMCID: PMC9741054 DOI: 10.3390/molecules27238312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/30/2022]
Abstract
This work is a mini-review highlighting the relevance of the θ metallabis(dicarbollide) [3,3'-Co(1,2-C2B9H11)2]- with its peculiar and differentiating characteristics, among them the capacity to generate hydrogen and dihydrogen bonds, to generate micelles and vesicles, to be able to be dissolved in water or benzene, to have a wide range of redox reversible couples and many more, and to use these properties, in this case, for producing potentiometric membrane sensors to monitor amine-containing drugs or other nitrogen-containing molecules. Sensors have been produced with this monoanionic cluster [3,3'-Co(1,2-C2B9H11)2]-. Other monoanionic boron clusters are also discussed, but they are much fewer. It is noteworthy that most of the electrochemical sensor species incorporate an ammonium cation and that this cation is the species to be detected. Alternatively, the detection of the borate anion itself has also been studied, but with significantly fewer examples. The functions of the borate anion in the membrane are different, even as a doping agent for polypyrrole which was the conductive ground on which the PVC membrane was deposited. Apart from these cases related to closo borates, the bulk of the work has been devoted to sensors in which the θ metallabis (dicarbollide) [3,3'-Co(1,2-C2B9H11)2]- is the key element. The metallabis (dicarbollide) anion, [3,3'-Co(1,2-C2B9H11)2]-, has many applications; one of these is as new material used to prepare an ion-pair complex with bioactive protonable nitrogen containing compounds, [YH]x[3,3'-Co(1,2-C2B9H11)2]y as an active part of PVC membrane potentiometric sensors. The developed electrodes have Nernstian responses for target analytes, i.e., antibiotics, amino acids, neurotransmitters, analgesics, for some decades of concentrations, with a short response time, around 5 s, a good stability of membrane over 45 days, and an optimal selectivity, even for optical isomers, to be used also for real sample analysis and environmental, clinical, pharmaceutical and food analysis.
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Li H, Xing L, Dou Z, Zhang W, Fang W, Sun C, Men Z. Generation of dual-supercontinuum coherent radiation in acetone mixed with carbon disulfide by stimulated Raman scattering. OPTICS LETTERS 2022; 47:4700-4703. [PMID: 36107067 DOI: 10.1364/ol.471228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
Stimulated Raman scattering (SRS) in a liquid has been a major focus of nonlinear optics. Traditional SRS generates single or cascaded Stokes components arising from spontaneous Raman noise. Herein, we report the formation mechanism of a specific spectrum-continuous spectroscopy technique based on SRS of mixed liquids. SRS of a mixed acetone and carbon disulfide solution is investigated by a pulsed Nd:YAG laser with a wavelength of 532 nm. Two remarkably asymmetric broadened SRS lines are obtained. When the volume ratio is 7:3, the broadened spectral bands are optimized. The supercontinuum spectroscopy phenomenon is explained by hydrogen bond formation, adjacent vibrational modes coupling, and laser-induced plasma generation. This technique has the potential to contribute to the development of a supercontinuum Raman laser.
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Jiang Y, Yuan Q, Cao W, Hu Z, Yang Y, Zhong C, Yang T, Sun H, Wang XB, Sun Z. Unraveling hydridic-to-protonic dihydrogen bond predominance in monohydrated dodecaborate clusters. Chem Sci 2022; 13:9855-9860. [PMID: 36128244 PMCID: PMC9430482 DOI: 10.1039/d2sc03986a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 08/02/2022] [Indexed: 12/01/2022] Open
Abstract
Hydridic-to-protonic dihydrogen bonds (DHBs) are involved in comprehensive structural and energetic evolution, and significantly affect reactivity and selectivity in solution and solid states. Grand challenges exist in understanding DHBs' bonding nature and strength, and how to harness DHBs. Herein we launched a combined photoelectron spectroscopy and multiscale theoretical investigation using monohydrated closo-dodecaborate clusters B12X12 2-·H2O (X = H, F, I) to address such challenges. For the first time, a consistent and unambiguous picture is unraveled demonstrating that B-H⋯H-O DHBs are superior to the conventional B-X⋯H-O HBs, being 1.15 and 4.61 kcal mol-1 stronger than those with X = F and I, respectively. Energy decomposition analyses reveal that induction and dispersion terms make pronounced contributions resulting in a stronger B-H⋯H-O DHB. These findings call out more attention to the prominent roles of DHBs in water environments and pave the way for efficient and eco-friendly catalytic dihydrogen production based on optimized hydridic-to-protonic interactions.
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Affiliation(s)
- Yanrong Jiang
- State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University Shanghai 200241 China
| | - Qinqin Yuan
- Physical Sciences Division, Pacific Northwest National Laboratory 902 Battelle Boulevard, P. O. Box 999, MS K8-88 Richland Washington 99352 USA
- Department of Chemistry, Anhui University Hefei Anhui 230601 China
| | - Wenjin Cao
- Physical Sciences Division, Pacific Northwest National Laboratory 902 Battelle Boulevard, P. O. Box 999, MS K8-88 Richland Washington 99352 USA
| | - Zhubin Hu
- State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University Shanghai 200241 China
| | - Yan Yang
- State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University Shanghai 200241 China
| | - Cheng Zhong
- College of Chemistry & Molecular Sciences, Wuhan University Wuhan Hubei 430072 China
| | - Tao Yang
- State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University Shanghai 200241 China
| | - Haitao Sun
- State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University Shanghai 200241 China
- Collaborative Innovation Center of Extreme Optics, Shanxi University Taiyuan Shanxi 030006 China
| | - Xue-Bin Wang
- Physical Sciences Division, Pacific Northwest National Laboratory 902 Battelle Boulevard, P. O. Box 999, MS K8-88 Richland Washington 99352 USA
| | - Zhenrong Sun
- State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University Shanghai 200241 China
- Collaborative Innovation Center of Extreme Optics, Shanxi University Taiyuan Shanxi 030006 China
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Cui PF, Liu XR, Lin YJ, Li ZH, Jin GX. Highly Selective Separation of Benzene and Cyclohexane in a Spatially Confined Carborane Metallacage. J Am Chem Soc 2022; 144:6558-6565. [PMID: 35357171 DOI: 10.1021/jacs.2c01668] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Separation of light hydrocarbons (C1-C9) represents one of the "seven chemical separations to change the world". Boron clusters can potentially play an important role in chemical separation, due to their unique three-dimensional structures and their ability to promote a potentially rich array of weak noncovalent interactions. Herein, we report the rational design of metallacages with carborane functionality and cooperative dihydrogen binding sites for the highly selective capture of cyclohexane molecules. The metallacage 1, bearing the ligand 2,4,6-tris(4-pyridyl)-1,3,5-triazine (TPT), can produce cyclohexane with a purity of 98.5% in a single adsorption-desorption cycle from an equimolar mixture of benzene and cyclohexane. In addition, cyclohexene molecules can be also encapsulated inside the metallacage 1. This selective encapsulation was attributed to spatial confinement effects, C-H···π interactions, and particularly dihydrogen-bond interactions. This work suggests exciting future applications of carborane cages in supramolecular chemistry for the selective adsorption and separation of alkane molecules and may open up a new research direction in host-guest chemistry.
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Affiliation(s)
- Peng-Fei Cui
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, P. R. China
| | - Xin-Ran Liu
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, P. R. China
| | - Yue-Jian Lin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, P. R. China
| | - Zhen-Hua Li
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, P. R. China
| | - Guo-Xin Jin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, P. R. China
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Tahaoğlu D, Alkan F, Durandurdu M. Theoretical investigation of substituent effects on the relative stabilities and electronic structure of [B nX n] 2- clusters. J Mol Model 2021; 27:365. [PMID: 34845522 DOI: 10.1007/s00894-021-04980-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 11/08/2021] [Indexed: 10/19/2022]
Abstract
In this study, we provide a theoretical evaluation of relative stabilities and electronic structure for [BnXn]2- clusters (n = 10, 12, 13, 14, 15, 16). Structural and electronic characteristics of [BnXn]2- clusters are examined by comparison with the [B12X12]2- counterparts with a focus on the substituent effects (X = H, F, Cl, Br, CN, BO, OH, NH2) on the electronic structure, electron detachment energies, formation enthalpies, and charge distributions. For the electronic structure and electron detachment energies, substituent effects on boron clusters are shown to follow a very similar trend to the mesomeric and inductive effects (± M and ± I) of π-conjugated systems, and the most stable derivatives in terms of HOMO/LUMO and electron detachment energies are calculated for CN and BO substituents due to strong -M effects. In the case of formation enthalpies for larger boron clusters (n ≥ 13), the icosahedral barrier is shown to increase with the halogen and CN substitution, whereas it is possible to reduce the icosahedral barrier for the cases of X = OH and NH2. It is shown that this reduction results from destabilizing the [B12X12]2- cluster with electronic (+ M) and symmetry effects induced by OH and NH2 ligands.
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Affiliation(s)
- Duygu Tahaoğlu
- Department of Nanotechnology Engineering, Abdullah Gül University, Kayseri, Turkey
| | - Fahri Alkan
- Department of Nanotechnology Engineering, Abdullah Gül University, Kayseri, Turkey.
| | - Murat Durandurdu
- Department of Nanotechnology Engineering, Abdullah Gül University, Kayseri, Turkey
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Intermolecular C-H∙∙∙H-M dihydrogen bonds in five-membered heterocyclic complexes: a DFT and ab-initio study. MONATSHEFTE FUR CHEMIE 2020. [DOI: 10.1007/s00706-020-02680-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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11
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Fang ZB, Zhang B, Yang QZ, Zheng W, Hu XL, Huang XH, Huang CC, Zhuang NF, Wu ST. Solvent-assisted planar structure of a stilbene-based salicylhydrazone compound: crystal structure, solvent- and aggregation-induced emission, and switchable luminescence colouration. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2020; 76:734-740. [PMID: 32756035 DOI: 10.1107/s2053229620008037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 06/16/2020] [Indexed: 11/10/2022]
Abstract
A novel stilbene-based salicylhydrazone compound {systematic name: (E)-4,4'-(ethene-1,2-diyl)bis[(N'E)-N'-(2-hydroxybenzylidene)benzohydrazide] dimethyl sulfoxide disolvate, C30H24N4O4·2C2H6OS or L·2DMSO} was synthesized and characterized by single-crystal X-ray diffraction, powder X-ray diffraction and luminescence spectroscopy. The title compound crystallizes in the monoclinic space group P21/c, with half a symmetry-independent L molecule and one dimethyl sulfoxide (DMSO) solvent molecule in the asymmetric unit. The L molecule adopts an almost planar structure, with a small dihedral angle between the planes of the stilbene and salicylhydrazone groups. There are multiple π-π stacking interactions between adjacent L molecules. The DMSO solvent molecules act as proton donors and acceptors, forming hydrogen bonds of various strengths with the L molecules. In addition, the geometry optimization of a single molecule of L and its luminescence properties either in solution, as a solvated solid or as a desolvated solid were studied. The compound shows an aggregation-induced emission (AIE) effect and exhibits switchable luminescence colouration in the solid state by the simple removal or re-addition of the DMSO solvent.
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Affiliation(s)
- Zong Bin Fang
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Bin Zhang
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Qi Zheng Yang
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Wenxu Zheng
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Xiao Lin Hu
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Xi He Huang
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Chang Cang Huang
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Nai Feng Zhuang
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
| | - Shu Ting Wu
- College of Chemistry, Fuzhou University, Fuzhou 350116, People's Republic of China
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Cui PF, Lin YJ, Li ZH, Jin GX. Dihydrogen Bond Interaction Induced Separation of Hexane Isomers by Self-Assembled Carborane Metallacycles. J Am Chem Soc 2020; 142:8532-8538. [DOI: 10.1021/jacs.0c03176] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Peng-Fei Cui
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, People’s Republic of China
| | - Yue-Jian Lin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, People’s Republic of China
| | - Zhen-Hua Li
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, People’s Republic of China
| | - Guo-Xin Jin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200433, People’s Republic of China
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Duraisamy PD, Gopalan P, Angamuthu A. Molecular structure, FT-IR and NMR analyses of dihydrogen-bonded B3N3H6···HM complexes: a DFT and MP2 approach. CHEMICAL PAPERS 2019. [DOI: 10.1007/s11696-019-01011-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Gan L, Fonquernie PG, Light ME, Norjmaa G, Ujaque G, Choquesillo-Lazarte D, Fraile J, Teixidor F, Viñas C, Planas JG. A Reversible Phase Transition of 2D Coordination Layers by B-H∙∙∙Cu(II) Interactions in a Coordination Polymer. Molecules 2019; 24:molecules24173204. [PMID: 31484428 PMCID: PMC6751501 DOI: 10.3390/molecules24173204] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/28/2019] [Accepted: 09/01/2019] [Indexed: 12/23/2022] Open
Abstract
Materials that combine flexibility and open metal sites are crucial for myriad applications. In this article, we report a 2D coordination polymer (CP) assembled from CuII ions and a flexible meta-carborane-based linker [Cu2(L1)2(Solv)2]•xSolv (1-DMA, 1-DMF, and 1-MeOH; L1: 1,7-di(4-carboxyphenyl)-1,7-dicarba-closo-dodecaborane). 1-DMF undergoes an unusual example of reversible phase transition on solvent treatment (i.e., MeOH and CH2Cl2). Solvent exchange, followed by thermal activation provided a new porous phase that exhibits an estimated Brunauer-Emmett-Teller (BET) surface area of 301 m2 g-1 and is capable of a CO2 uptake of 41 cm3 g-1. The transformation is reversible and 1-DMF is reformed on addition of DMF to the porous phase. We provide evidence for the reversible process being the result of the formation/cleavage of weak but attractive B-H∙∙∙Cu interactions by a combination of single-crystal (SCXRD), powder (PXRD) X-ray diffraction, Raman spectroscopy, and DFT calculations.
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Affiliation(s)
- Lei Gan
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), 08193 Bellaterra, Spain
| | - Pol G Fonquernie
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), 08193 Bellaterra, Spain
| | - Mark E Light
- Department of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK
| | - Gantulga Norjmaa
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Valles, Catalonia, Spain
| | - Gregori Ujaque
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Valles, Catalonia, Spain
| | - Duane Choquesillo-Lazarte
- Laboratorio de Estudios Cristalográficos, IACT, CSIC-Universidad de Granada, Av. de las Palmeras 4, E-18100 Armilla, Granada, Spain
| | - Julio Fraile
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), 08193 Bellaterra, Spain
| | - Francesc Teixidor
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), 08193 Bellaterra, Spain
| | - Clara Viñas
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), 08193 Bellaterra, Spain
| | - José G Planas
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), 08193 Bellaterra, Spain.
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15
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Fernandez-Alvarez R, Nová L, Uhlík F, Kereïche S, Uchman M, Košovan P, Matějíček P. Interactions of star-like polyelectrolyte micelles with hydrophobic counterions. J Colloid Interface Sci 2019; 546:371-380. [PMID: 30933716 DOI: 10.1016/j.jcis.2019.03.054] [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: 12/18/2018] [Revised: 03/15/2019] [Accepted: 03/16/2019] [Indexed: 12/26/2022]
Abstract
Hydrophobicity of a counterion has a profound effect on the interaction with polyelectrolytes similar to that of multivalency. Specifically, understanding this interaction in weak polyelectrolyte micelles might assist in developing nanocarriers for pH-controlled encapsulation and release. We used star-like weak polyelectrolyte micelles of polystyrene-block-poly(2-vinyl pyridine) (PS-P2VP) with fixed aggregation number as a model polyelectrolyte, and cobalt bis(1,2-dicarbollide) (COSAN) as a model hydrophobic anion. We used NMR to assess the mobility of the polymer segments in the presence of varying amounts of COSAN, and at varying protonation degrees of the polyelectrolyte. Same experiments with indifferent electrolyte (NaCl) were used as a control. Furthermore, we used coarse-grained simulations to obtain a detailed picture of the effect of hydrophobic counterions on the conformation of the micelles. A small amount of hydrophobic counterions causes morphological changes within the micelles, whereas a bigger amount causes precipitation. This was confirmed both in simulations and in experiments. Furthermore, adsorption of the counterions induces ionization of the collapsed segments of the polyelectrolyte. Although the COSAN/P2VP system is rather specific, the generic model used in the coarse-grained simulations shows that the observed behavior is a consequence of synergy of hydrophobic and electrostatic attraction between polyelectrolytes and hydrophobic counterions. Our study provides general insights into the molecular mechanisms of these interactions.
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Affiliation(s)
- Roberto Fernandez-Alvarez
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic
| | - Lucie Nová
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic
| | - Filip Uhlík
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic
| | - Sami Kereïche
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic; Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University and General University Hospital in Prague, Purkynie Ustav, Albertov 4, 12 801 Prague, Czech Republic
| | - Mariusz Uchman
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic
| | - Peter Košovan
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic.
| | - Pavel Matějíček
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43 Prague, Czech Republic.
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16
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Goszczyński TM, Fink K, Boratyński J. Icosahedral boron clusters as modifying entities for biomolecules. Expert Opin Biol Ther 2019; 18:205-213. [PMID: 30063861 DOI: 10.1080/14712598.2018.1473369] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
INTRODUCTION Icosahedral boron clusters have unique properties useful in medicinal chemistry: rigidity, chemical stability, and three-dimensional aromaticity. Furthermore, these abiotic compounds have low toxicity and are stable in the biological environment. All these features ultimately give them the ability to interact with biological molecules in a different mode than organic compounds. AREAS COVERED In the present article, we aim to introduce boron clusters as a class of entities suitable for modifications of biomolecules to obtain a specific biological effect. We will focus on icosahedral boron clusters, as well as metallacarboranes, and their biological activity and interaction with the biological environment. EXPERT OPINION Boron clusters are suitable for altering structural and functional features of biomolecules and can be used in the development of new drugs and drug delivery systems. The high affinity of boron clusters, especially metallacarboranes, to albumin creates a new possibility to use them to optimize the pharmacokinetics of biologically active peptides. Boron clusters have high potential in biological and medicinal applications. Due to their peculiar properties, they can be used to optimize parameters critical for the biological activity of therapeutic substances and their affinity toward biological targets.
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Affiliation(s)
- Tomasz M Goszczyński
- a Laboratory of Biomedical Chemistry, Department of Experimental Oncology , Hirszfeld Institute of Immunology and Experimental Therapy, PAS , Wrocław , Poland
| | - Krzysztof Fink
- a Laboratory of Biomedical Chemistry, Department of Experimental Oncology , Hirszfeld Institute of Immunology and Experimental Therapy, PAS , Wrocław , Poland
| | - Janusz Boratyński
- a Laboratory of Biomedical Chemistry, Department of Experimental Oncology , Hirszfeld Institute of Immunology and Experimental Therapy, PAS , Wrocław , Poland
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18
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Wategaonkar S, Bhattacherjee A. N–H···S Interaction Continues To Be an Enigma: Experimental and Computational Investigations of Hydrogen-Bonded Complexes of Benzimidazole with Thioethers. J Phys Chem A 2018; 122:4313-4321. [DOI: 10.1021/acs.jpca.8b01943] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sanjay Wategaonkar
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400 005, India
| | - Aditi Bhattacherjee
- Department of Chemical Sciences, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400 005, India
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19
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Wang YP, Lin YJ, Jin GX. Palladium-promoted sulfur atom migration on carboranes: facile B(4)−S bond formation from mononuclear Pd-B(4) complexes. PURE APPL CHEM 2018. [DOI: 10.1515/pac-2017-0609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
For the first time, carborane complexes containing a B(4)–S bond were obtained directly by heating mononuclear Pd-B(4)-bound carborane complexes. A possible mechanism involved in sulfur atom migration is presented in which the leaving group, pyridine, benzyl isocyanide or PPh3, is demonstrated to be the trigger of the reaction process. In this work, efficient routes are developed through one-pot reactions to prepare B(4)-S carborane derivatives.
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Affiliation(s)
- Yin-Ping Wang
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials , Department of Chemistry , Fudan University , Shanghai 200433 , China
| | - Yue-Jian Lin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials , Department of Chemistry , Fudan University , Shanghai 200433 , China
| | - Guo-Xin Jin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials , Department of Chemistry , Fudan University , Shanghai 200433 , China , Phone: +86 21 65643776, Fax: +86 21 65641740
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20
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Fernandez-Alvarez R, Ďorďovič V, Uchman M, Matějíček P. Amphiphiles without Head-and-Tail Design: Nanostructures Based on the Self-Assembly of Anionic Boron Cluster Compounds. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:3541-3554. [PMID: 29144761 DOI: 10.1021/acs.langmuir.7b03306] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Anionic boron cluster compounds (ABCCs) are intrinsically amphiphilic building blocks suitable for nanochemistry. ABCCs are involved in atypical weak interactions, notably dihydrogen bonding, due to their peculiar polyhedral structure, consisting of negatively charged B-H units. The most striking feature of ABCCs that differentiates them from typical surfactants is the lack of head-and-tail structure. Furthermore, their structure can be described as intrinsically amphiphilic or aquaneutral. Therefore, classical terms established to describe self-assembly of classical amphiphiles are insufficient and need to be reconsidered. The opinions and theories focused on the solution behavior of ABCCs are briefly discussed. Moreover, a comparison between ABCCs with other amphiphilic systems is made focusing on the explanation of enthalpy-driven micellization or relations between hydrophobic and chaotropic effects. Despite the unusual structure, ABCCs still show self- and coassembly properties comparable to classical amphiphiles such as ionic surfactants. They self-assemble into micelles in water according to the closed association model. The most typical features of ABCCs solution behavior is demonstrated on calorimetry, NMR spectroscopy, and tensiometry experiments. Altogether, the unique features of ABCCs makes them a valuable inclusion into the nanochemisty toolbox to develop novel nanostructures both alone and with other molecules.
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Affiliation(s)
- Roberto Fernandez-Alvarez
- Department of Physical and Macromolecular Chemistry, Faculty of Science , Charles University , Hlavova 2030 , 128 40 Prague 2 , Czechia
| | - Vladimír Ďorďovič
- Department of Physical and Macromolecular Chemistry, Faculty of Science , Charles University , Hlavova 2030 , 128 40 Prague 2 , Czechia
| | - Mariusz Uchman
- Department of Physical and Macromolecular Chemistry, Faculty of Science , Charles University , Hlavova 2030 , 128 40 Prague 2 , Czechia
| | - Pavel Matějíček
- Department of Physical and Macromolecular Chemistry, Faculty of Science , Charles University , Hlavova 2030 , 128 40 Prague 2 , Czechia
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21
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Ma N, Wei C, Li S, Zhang G. Theoretical insight on ethylene polymerization catalyzed by carborane-containing metal complexes: the role of carborane. Dalton Trans 2018; 47:14421-14425. [DOI: 10.1039/c8dt03483d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Theoretical calculations indicate carborane rather than Cp* plays a decisive role in ethylene polymerization catalyzed by carborane-containing metal complexes.
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Affiliation(s)
- Nana Ma
- School of Chemistry and Chemical Engineering
- Henan Key laboratory of Organic Functional Molecule and Drug Innovation
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials
- Henan Normal University
- Xinxiang
| | - Changgeng Wei
- School of Chemistry and Chemical Engineering
- Henan Key laboratory of Organic Functional Molecule and Drug Innovation
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials
- Henan Normal University
- Xinxiang
| | - Shujun Li
- School of Chemistry and Chemical Engineering
- Henan Key laboratory of Organic Functional Molecule and Drug Innovation
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials
- Henan Normal University
- Xinxiang
| | - Guisheng Zhang
- School of Chemistry and Chemical Engineering
- Henan Key laboratory of Organic Functional Molecule and Drug Innovation
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials
- Henan Normal University
- Xinxiang
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22
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Tsang MY, Viñas C, Teixidor F, Choquesillo‐Lazarte D, Giner Planas J. Crystalline Inclusion Compounds of a Palladacyclic Tetraol Host Featuring
o
‐Carborane Units. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700535] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Min Ying Tsang
- Institut de Ciència de Materials de Barcelona (ICMAB‐CSIC) Campus UAB 08193 Bellaterra Spain
| | - Clara Viñas
- Institut de Ciència de Materials de Barcelona (ICMAB‐CSIC) Campus UAB 08193 Bellaterra Spain
| | - Francesc Teixidor
- Institut de Ciència de Materials de Barcelona (ICMAB‐CSIC) Campus UAB 08193 Bellaterra Spain
| | - Duane Choquesillo‐Lazarte
- Laboratorio de Estudios Cristalográficos IACT CSIC – Universidad de Granada Avenida de las Palmeras 4 18100 Armilla Granada Spain
| | - José Giner Planas
- Institut de Ciència de Materials de Barcelona (ICMAB‐CSIC) Campus UAB 08193 Bellaterra Spain
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23
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Gozzi M, Schwarze B, Sárosi MB, Lönnecke P, Drača D, Maksimović-Ivanić D, Mijatović S, Hey-Hawkins E. Antiproliferative activity of (η 6-arene)ruthenacarborane sandwich complexes against HCT116 and MCF7 cell lines. Dalton Trans 2017; 46:12067-12080. [PMID: 28799598 DOI: 10.1039/c7dt02027a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Three [(η6-arene)RuC2B9H11] complexes (arene = p-cymene (2), biphenyl (3) and 1-Me-4-COOEt-C6H4 (4)) were synthesised according to modified literature procedures and fully characterised. 2-4 were found to be moderately active against two types of tumour cell lines (HCT116 and MCF7), with IC50 values in the low micromolar range. However, viability of normal, healthy cells (MRC-5 cell line, MLEC and mouse macrophages) was not affected by treatment with 2-4, indicating high selectivity of the metallacarborane complexes towards tumour cell lines, compared to the unselective antitumour agent cisplatin and other potential RuII drugs. Moreover, flow cytometric analysis suggested that 4 induces cell death via a caspase-dependent apoptotic mechanism. DFT calculations of the frontier molecular orbitals showed that the HOMO-LUMO gap in 2-4 is smaller than in the corresponding cyclopentadienyl complexes 2-Cp-4-Cp (e.g. 5.47 (2) vs. 6.31 eV (2-Cp)). In order to assess the stability of 2-4, particularly the ruthenium-dicarbollide bond, energy decomposition analysis (EDA) of 2-4, together with the respective cyclopentadienyl analogues 2-Cp-4-Cp, was performed. EDA suggests that the ruthenium(ii)-dicarbollide bond in the three complexes is mostly ionic and far stronger than the ruthenium(ii)-arene bond.
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Affiliation(s)
- Marta Gozzi
- Leipzig University, Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Johannisallee 29, 04103 Leipzig, Germany.
| | - Benedikt Schwarze
- Leipzig University, Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Johannisallee 29, 04103 Leipzig, Germany.
| | - Menyhárt-Botond Sárosi
- Leipzig University, Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Johannisallee 29, 04103 Leipzig, Germany.
| | - Peter Lönnecke
- Leipzig University, Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Johannisallee 29, 04103 Leipzig, Germany.
| | - Dijana Drača
- University of Belgrade, Institute of Biological Research "Siniša Stanković", Bul. Despota Stefana 142, 11060 Belgrade, Serbia
| | - Danijela Maksimović-Ivanić
- University of Belgrade, Institute of Biological Research "Siniša Stanković", Bul. Despota Stefana 142, 11060 Belgrade, Serbia
| | - Sanja Mijatović
- University of Belgrade, Institute of Biological Research "Siniša Stanković", Bul. Despota Stefana 142, 11060 Belgrade, Serbia
| | - Evamarie Hey-Hawkins
- Leipzig University, Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Johannisallee 29, 04103 Leipzig, Germany.
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24
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Zhao H, Ren FD, Wang YH. Theoretical insight into the BH 3·HCN adsorption on the Co(100) and Co(110) surfaces as hydrogen storage. J Mol Model 2017; 23:126. [PMID: 28321654 DOI: 10.1007/s00894-017-3298-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 02/27/2017] [Indexed: 10/19/2022]
Abstract
Fifteen configurations and adsorption energies of the adsorption sites of BH3∙∙∙HCN on Co(100) and Co(110) surfaces were investigated using the density functional theory. The results show that after BH3∙∙∙HCN is adsorbed, although there is no general behavior for the H∙∙∙H distances, the adsorption energies of BH3∙∙∙HCN are always far stronger than those of H2 on Co surfaces, suggesting that the dihydrogen-bonded complex, one kind of prospective material for reversible hydrogen storage, can be tightly adsorbed on the surfaces of metals. Thus, the attempts to store the significant amounts of H2 can be successful by the way that the dihydrogen-bonded complexes are adsorbed on the surfaces of metals. The stability and binding mechanism was analyzed by the Mulliken charge population and reduced density gradients (RDGs) methods. Graphical Abstract BH3···HCN adsorption on Co surface.
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Affiliation(s)
- He Zhao
- School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan, 030024, China. .,State Key Lab of Advanced Welding & Joining, Harbin Institute of Technology, Harbin, 150001, China.
| | - Fu-de Ren
- School of Chemical and Environment Engineering, North University of China, Taiyuan, 030051, China
| | - Yan-Hong Wang
- School of Chemical and Environment Engineering, North University of China, Taiyuan, 030051, China
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25
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Echeverría J, Aullón G, Alvarez S. Dihydrogen intermolecular contacts in group 13 compounds: H⋯H or E⋯H (E = B, Al, Ga) interactions? Dalton Trans 2017; 46:2844-2854. [DOI: 10.1039/c6dt02854c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A theoretical analysis rationalises the energetics and topology of B–H⋯H–B and B–H⋯B short contacts present in the crystal structures of many borane derivatives.
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Affiliation(s)
- Jorge Echeverría
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional
- Universitat de Barcelona
- 08028 Barcelona
- Spain
| | - Gabriel Aullón
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional
- Universitat de Barcelona
- 08028 Barcelona
- Spain
| | - Santiago Alvarez
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional
- Universitat de Barcelona
- 08028 Barcelona
- Spain
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26
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Zhang C, Liu Z, Zhang X, Shi Z, Xu H, Ma X, Yin J, Tian M. Polyetheramine (PEA): a versatile platform to tailor the properties of hydrogels via H-bonding interactions. Polym Chem 2017. [DOI: 10.1039/c7py01105a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrogels with excellent mechanical properties, fast pH response and reshaping ability were prepared by dual H-bonding interactions.
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Affiliation(s)
- Changxu Zhang
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials and Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Zhiyong Liu
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials and Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Xinhui Zhang
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials and Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Zixing Shi
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials and Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Hongjie Xu
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials and Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Xiaodong Ma
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials and Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Jie Yin
- School of Chemistry & Chemical Engineering
- State Key Laboratory of Metal Matrix Composite Materials and Shanghai Key Lab of Electrical Insulation and Thermal Ageing
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Ming Tian
- State Key Lab of Organic–Inorganic Composites
- Beijing University of Chemical Technology
- Beijing
- China
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27
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Abstract
INTRODUCTION After decades of development, the medicinal chemistry of compounds that contain a single boron atom has matured to the present status of having equal rights with other branches of drug discovery, although it remains a relative newcomer. In contrast, the medicinal chemistry of boron clusters is less advanced, but it is expanding and may soon become a productive area of drug discovery. AREAS COVERED The author reviews the current developments of medicinal chemistry of boron and its applications in drug design. First generation boron drugs that bear a single boron atom and second generation boron drugs that utilize boron clusters as pharmacophores or modulators of bioactive molecules are discussed. The advantages and gaps in our current understanding of boron medicinal chemistry, with a special focus on boron clusters, are highlighted. EXPERT OPINION Boron is not a panacea for every drug discovery problem, but there is a good chance that it will become a useful addition to the medicinal chemistry tool box. The present status of boron resembles the medicinal chemistry status of fluorine three decades ago; indeed, currently, approximately 20% of pharmaceuticals on the market contain fluorine. The fact that novel boron compounds, especially those based on abiotic polyhedral boron hydrides, are currently unfamiliar could be advantageous because organisms may be less prone to developing resistance against boron cluster-based drugs.
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Affiliation(s)
- Zbigniew J Leśnikowski
- a Institute of Medical Biology, Polish Academy of Sciences , Laboratory of Molecular Virology and Biological Chemistry , Lodz , Poland
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28
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Ďorďovič V, Uchman M, Reza M, Ruokolainen J, Zhigunov A, Ivankov OI, Matějíček P. Cation-sensitive compartmentalization in metallacarborane containing polymer nanoparticles. RSC Adv 2016. [DOI: 10.1039/c5ra27588a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The inner structure of hybrid nanoparticles based on metallacarborane complexation with diblock copolymer PEO–POX is sensitive to alkaline cations.
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Affiliation(s)
- Vladimír Ďorďovič
- Department of Physical and Macromolecular Chemistry
- Faculty of Science
- Charles University
- 128 40 Prague 2
- Czech Republic
| | - Mariusz Uchman
- Department of Physical and Macromolecular Chemistry
- Faculty of Science
- Charles University
- 128 40 Prague 2
- Czech Republic
| | - Mehedi Reza
- Department of Applied Physics Nanotalo
- Aalto University
- FI-02150 Espoo
- Finland
| | - Janne Ruokolainen
- Department of Applied Physics Nanotalo
- Aalto University
- FI-02150 Espoo
- Finland
| | - Alexander Zhigunov
- Institute of Macromolecular Chemistry, v.v.i
- Academy of Sciences of the Czech Republic
- 16206 Prague 6
- Czech Republic
| | - Olexandr I. Ivankov
- Joint Institute for Nuclear Research
- Dubna 141980
- Russia
- Taras Shevchenko National University of Kyiv
- UA-01033 Kyev
| | - Pavel Matějíček
- Department of Physical and Macromolecular Chemistry
- Faculty of Science
- Charles University
- 128 40 Prague 2
- Czech Republic
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29
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Fontanet M, Rodríguez M, Fontrodona X, Romero I, Teixidor F, Viñas C, Aliaga-Alcalde N. Carving a 1D CoII-carboranylcarboxylate system by using organic solvents to create stable trinuclear molecular analogues: complete structural and magnetic studies. Dalton Trans 2016; 45:10916-27. [DOI: 10.1039/c6dt01744d] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An unprecedented strategy for the synthesis of a 1D CoII carboranylcarboxylate polymer and their linear trinuclear derivatives.
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Affiliation(s)
- Mònica Fontanet
- Departament de Química and Serveis Tècnics de Recerca
- Universitat de Girona
- E-17071 Girona
- Spain
| | - Montserrat Rodríguez
- Departament de Química and Serveis Tècnics de Recerca
- Universitat de Girona
- E-17071 Girona
- Spain
| | - Xavier Fontrodona
- Departament de Química and Serveis Tècnics de Recerca
- Universitat de Girona
- E-17071 Girona
- Spain
| | - Isabel Romero
- Departament de Química and Serveis Tècnics de Recerca
- Universitat de Girona
- E-17071 Girona
- Spain
| | - Francesc Teixidor
- Institut de Ciencia de Materials de Barcelona
- ICMAB-CSIC
- E-08193 Bellaterra
- Spain
| | - Clara Viñas
- Institut de Ciencia de Materials de Barcelona
- ICMAB-CSIC
- E-08193 Bellaterra
- Spain
| | - Núria Aliaga-Alcalde
- Institut de Ciencia de Materials de Barcelona
- ICMAB-CSIC
- E-08193 Bellaterra
- Spain
- ICREA (Institució Catalana de Recerca i Estudis Avançats)
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30
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Gao L, Zhang X, Meng L, Zeng Y. Enhancing the hydrogen bond between the bridged hydrogen atom of diborane and ammonia. J Mol Model 2015; 21:233. [PMID: 26271730 DOI: 10.1007/s00894-015-2776-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2015] [Accepted: 07/27/2015] [Indexed: 10/23/2022]
Abstract
The character of the bridged hydrogen atom (Hb) of B2H6 has become a hot issue in recent years. In this work, the complexes B2H6 · · · NH3, B2H2X4 · · · nNH3 (n = 1, 2) and 2HF · · · B2H2X4 · · · 2NH3 (X = Cl, Br, I) were constructed and studied based on the M06-2X calculations to investigate how to enhance the Hb · · · N hydrogen-bonded interaction. When the terminal hydrogen atoms (Ht) of B2H6 were replaced by X (X = Cl, Br, I) atoms, the Hb · · · N hydrogen bond were strengthened. According to the electrostatic potentials in B2H2X4, two HF molecules were added to the interspace of the B-H-B-H four-membered ring of the B2H2X4 · · · 2NH3 complexes, and H · · · X hydrogen bond formed, resulting in further enhancing effect of Hb · · · N hydrogen bond. As a result, the positive cooperative effect of Hb · · · N hydrogen bond and H · · · X hydrogen bond do enhance the interactions of each other. The two measures not only enhance the strength of Hb · · · N hydrogen bond, but also achieve the goal to make the Hb · · · N hydrogen bond perpendicular to B · · · B direction.
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Affiliation(s)
- Lei Gao
- Institute of Computational Quantum Chemistry, College of Chemistry and Material Sciences, Hebei Normal University, Shijiazhuang, 050024, China
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Jezierska A. N-H⋯O versus O-H⋯O: density functional calculation and first principle molecular dynamics study on a quinoline-2-carboxamide N-oxide. J Mol Model 2015; 21:47. [PMID: 25690363 PMCID: PMC4333232 DOI: 10.1007/s00894-015-2587-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 01/19/2015] [Indexed: 11/26/2022]
Abstract
N-oxide-type compounds are the object of current research interest due to the presence of resonance-assisted N–H⋯O hydrogen bonds. Here, the metric and spectroscopic parameters of N-methyl-quinoline-2-carboxamide 1-oxide were computed on the basis of density functional theory and Car-Parrinello molecular dynamics. Computations were performed in vacuo and in solid state; for both phases additional simulations with Grimme’s dispersion correction were carried out. The approaches used were able to reproduce correctly the structural aspects of the studied compound and shed more light on the hydrogen bonding with special focus on bridge proton mobility. Proton transfer phenomena were found not to occur in the investigated compound, and the bridge proton was localized to the donor site. This observation is in agreement with the classical theory of the acidity of donor–acceptor sites. The presence of hydrogen bonding was confirmed using atoms-in-molecules theory. The computational results were compared with available experimental data.
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Affiliation(s)
- Aneta Jezierska
- Faculty of Chemistry, University of Wrocław, ul. F. Joliot-Curie 14, 50-383, Wrocław, Poland,
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33
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Kubasov AS, Matveev EY, Polyakova IN, Razgonyaeva GA, Zhizhin KY, Kuznetsov NT. New method for preparation of sulfanyl derivative of closo-decaborate anion [B10H9SH]2−. RUSS J INORG CHEM+ 2015. [DOI: 10.1134/s0036023615020084] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Abstract
AbstractBoron clusters have been employed successfully as constituents in bioactive substances. In this review, the perspectives of boron clusters for drug design and problems to be solved for a broader application are discussed, and a list of actions is given for overcoming the problems.
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Affiliation(s)
- Detlef Gabel
- 1Life Science and Health, Jacobs University Bremen, Bremen, Germany
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Fontanet M, Rodríguez M, Fontrodona X, Romero I, Viñas C, Teixidor F. Intramolecular hydrogen bonding stabilizes the nuclearity of complexes. A comparative study based on the H-carborane and Me-carborane framework. Dalton Trans 2015; 44:10399-409. [DOI: 10.1039/c5dt00305a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The H– on the adjacent carbon of the carboranylcarboxylate ligand is responsible for intramolecular interactions that stabilize the nuclearity of Cu(ii) complexes.
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Affiliation(s)
- Mònica Fontanet
- Departament de Química and Serveis Tècnics de Recerca
- Universitat de Girona
- E-17071 Girona
- Spain
| | - Montserrat Rodríguez
- Departament de Química and Serveis Tècnics de Recerca
- Universitat de Girona
- E-17071 Girona
- Spain
| | - Xavier Fontrodona
- Departament de Química and Serveis Tècnics de Recerca
- Universitat de Girona
- E-17071 Girona
- Spain
| | - Isabel Romero
- Departament de Química and Serveis Tècnics de Recerca
- Universitat de Girona
- E-17071 Girona
- Spain
| | - Clara Viñas
- Institut de Ciencia de Materials de Barcelona
- ICMAB-CSIC
- E-08193 Bellaterra
- Spain
| | - Francesc Teixidor
- Institut de Ciencia de Materials de Barcelona
- ICMAB-CSIC
- E-08193 Bellaterra
- Spain
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Ďorďovič V, Uchman M, Zhigunov A, Nykänen A, Ruokolainen J, Matějíček P. Compartmentalization in Hybrid Metallacarborane Nanoparticles Formed by Block Copolymers with Star-Like Architecture. ACS Macro Lett 2014; 3:1151-1155. [PMID: 35610814 DOI: 10.1021/mz5004757] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
One strategy to control the morphology of hybrid polymeric nanostructures is the proper selection of macromolecule architecture. We prepared metallacarborane-rich nanoparticles by interaction of double-hydrophilic block copolymers consisting of both poly(2-alkyl oxazolines) and poly(ethylene oxide) blocks with cobaltabisdicarbollide anion in physiological saline. The inner structure of the hybrid nanoparticles was studied by cryo-TEM, light scattering, SAXS, NMR, and ITC. Although the thermodynamics of diblock and star-like systems are almost identical, the macromolecular architecture has a great impact on the size and inner morphology of the nanoparticles. While hybrid nanoparticles formed by linear diblock copolymers are homogeneous, resembling gel-like nanospheres, the star-like shape of 4-arm block copolymers with PEO blocks in central parts of macromolecules leads to distinct compartmentalization. Because metallacarboranes are promising species in medicine, the studied nanoparticles are important for targeted drug delivery of boron cluster compounds.
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Affiliation(s)
- Vladimír Ďorďovič
- Department
of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 2030, 12840 Prague 2, Czech Republic
| | - Mariusz Uchman
- Department
of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 2030, 12840 Prague 2, Czech Republic
| | - Alexander Zhigunov
- Institute
of Macromolecular Chemistry, v.v.i., Academy of Sciences of the Czech Republic, Heyrovský Sq. 2, 16206 Prague 6, Czech Republic
| | - Antti Nykänen
- Aalto University, Department of Applied Physics
Nanotalo, Puumiehenkuja
2, FI-02150 Espoo, Finland
| | - Janne Ruokolainen
- Aalto University, Department of Applied Physics
Nanotalo, Puumiehenkuja
2, FI-02150 Espoo, Finland
| | - Pavel Matějíček
- Department
of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 2030, 12840 Prague 2, Czech Republic
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Brus J, Zhigunov A, Czernek J, Kobera L, Uchman M, Matějíček P. Control over the Self-Assembly and Dynamics of Metallacarborane Nanorotors by the Nature of the Polymer Matrix: A Solid-State NMR Study. Macromolecules 2014. [DOI: 10.1021/ma501117a] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Jiri Brus
- Institute of Macromolecular Chemistry, v.v.i., Academy
of Sciences of the Czech Republic, Heyrovský Sq. 2, 16206 Prague 6, Czech Republic
| | - Alexander Zhigunov
- Institute of Macromolecular Chemistry, v.v.i., Academy
of Sciences of the Czech Republic, Heyrovský Sq. 2, 16206 Prague 6, Czech Republic
| | - Jiří Czernek
- Institute of Macromolecular Chemistry, v.v.i., Academy
of Sciences of the Czech Republic, Heyrovský Sq. 2, 16206 Prague 6, Czech Republic
| | - Libor Kobera
- Institute of Macromolecular Chemistry, v.v.i., Academy
of Sciences of the Czech Republic, Heyrovský Sq. 2, 16206 Prague 6, Czech Republic
| | - Mariusz Uchman
- Department
of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128
40 Prague 2, Czech Republic
| | - Pavel Matějíček
- Department
of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128
40 Prague 2, Czech Republic
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Fontanet M, Rodríguez M, Fontrodona X, Romero I, Teixidor F, Viñas C, Aliaga‐Alcalde N, Matějíček P. Water‐Soluble Manganese Inorganic Polymers: The Role of Carborane Clusters and Producing Large Structural Adjustments from Minor Molecular Changes. Chemistry 2014; 20:13993-4003. [DOI: 10.1002/chem.201403458] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Mònica Fontanet
- Departament de Química and Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, 17071 Girona (Spain)
| | - Montserrat Rodríguez
- Departament de Química and Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, 17071 Girona (Spain)
| | - Xavier Fontrodona
- Departament de Química and Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, 17071 Girona (Spain)
| | - Isabel Romero
- Departament de Química and Serveis Tècnics de Recerca, Universitat de Girona, Campus de Montilivi, 17071 Girona (Spain)
| | - Francesc Teixidor
- Institut de Ciencia de Materials de Barcelona, ICMAB‐CSIC, Campus UAB, 08193 Bellaterra (Spain)
| | - Clara Viñas
- Institut de Ciencia de Materials de Barcelona, ICMAB‐CSIC, Campus UAB, 08193 Bellaterra (Spain)
| | - Núria Aliaga‐Alcalde
- Institut de Ciencia de Materials de Barcelona, ICMAB‐CSIC, Campus UAB, 08193 Bellaterra (Spain)
- ICREA, Passeig Lluis Companys 23, 08010 Barcelona (Spain)
| | - Pavel Matějíček
- Department of Physical and Macromolecular Chemistry, Faculty of Sciences, Charles University in Prague, Hlavova 2030, 128 40 Prague 2 (Czech Republic)
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40
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Farràs P, Escudero-Adán EC, Viñas C, Teixidor F. Controlling the Pirouetting Motion in Rotaxanes by Counterion Exchange. Inorg Chem 2014; 53:8654-61. [DOI: 10.1021/ic501246e] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Pau Farràs
- School of Chemistry, Newcastle University, Newcastle
upon Tyne NE1 7RU, U.K
| | - Eduardo C. Escudero-Adán
- Institute of Chemical Research of Catalonia (ICIQ), Avgda Països Catalans 16, 43007 Tarragona, Spain
| | - Clara Viñas
- Institut de Ciència de Materials de Barcelona
(ICMAB-CSIC), Campus de la U.A.B., E-08193 Bellaterra, Spain
| | - Francesc Teixidor
- Institut de Ciència de Materials de Barcelona
(ICMAB-CSIC), Campus de la U.A.B., E-08193 Bellaterra, Spain
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41
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Zhang X, Zou X, Yan H. Synthesis of Boron-Fused 1,4-Dithiin via Cobalt-Mediated Disulfuration of Alkyne at the o-Carborane-9,12-dithiolate Unit. Organometallics 2014. [DOI: 10.1021/om500411b] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Xiaolei Zhang
- State Key Laboratory
of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Xiaodong Zou
- State Key Laboratory
of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Hong Yan
- State Key Laboratory
of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
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42
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43
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El-Hellani A, Lavallo V. Fusing N-Heterocyclic Carbenes with Carborane Anions. Angew Chem Int Ed Engl 2014; 53:4489-93. [DOI: 10.1002/anie.201402445] [Citation(s) in RCA: 123] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Indexed: 11/11/2022]
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44
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Viñas C, Tarrés M, González-Cardoso P, Farràs P, Bauduin P, Teixidor F. Surfactant behaviour of metallacarboranes. A study based on the electrolysis of water. Dalton Trans 2014; 43:5062-8. [DOI: 10.1039/c3dt52825a] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Stoica AI, Kleber C, Viñas C, Teixidor F. Ion selective electrodes for protonable nitrogen containing analytes: Metallacarboranes as active membrane components. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2013.09.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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46
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Nie Y, Miao J, Pritzkow H, Wadepohl H, Siebert W. Weak intramolecular C–H⋯H–B and C–H⋯Cl interactions in C-aminoboryl-o-carboranes. J Organomet Chem 2013. [DOI: 10.1016/j.jorganchem.2013.03.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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48
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49
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Song G, Zhang L, He C, Fang DC, Whitten PG, Wang H. Facile Fabrication of Tough Hydrogels Physically Cross-Linked by Strong Cooperative Hydrogen Bonding. Macromolecules 2013. [DOI: 10.1021/ma401053c] [Citation(s) in RCA: 148] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Guoshan Song
- Beijing
Key Laboratory of Energy Conversion and Storage Materials, College
of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Lei Zhang
- Key
Laboratory of Theoretical
and Computational Photochemistry, Ministry of Education, College of
Chemistry, Beijing Normal University, Beijing 100875, China
| | - Changcheng He
- Beijing
Key Laboratory of Energy Conversion and Storage Materials, College
of Chemistry, Beijing Normal University, Beijing 100875, China
| | - De-Cai Fang
- Key
Laboratory of Theoretical
and Computational Photochemistry, Ministry of Education, College of
Chemistry, Beijing Normal University, Beijing 100875, China
| | - Philip G. Whitten
- School of Mechanical, Materials & Mechatronic Engineering, Faculty of Engineering, University of Wollongong, Wollongong NSW 2522, Australia
| | - Huiliang Wang
- Beijing
Key Laboratory of Energy Conversion and Storage Materials, College
of Chemistry, Beijing Normal University, Beijing 100875, China
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50
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A B3LYP and MP2 theoretical investigation on the cooperativity effect between the XH⋯HM (X=F, Cl, Br; M=Li, Na, K) dihydrogen-bonding and HM⋯π interactions involving C6H6. COMPUT THEOR CHEM 2013. [DOI: 10.1016/j.comptc.2013.07.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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