1
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Lambert F, Hetzel AL, Danten Y, Franco AA, Gatti C, Frayret C. Investigating the potential of pyrazine dioxide based-compounds as organic electrodes for batteries. Dalton Trans 2024. [PMID: 39007227 DOI: 10.1039/d4dt01144a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Understanding structure-property relationship in redox-active molecular species is of central importance in various fields, including many medicinal and chemical applications. The quest for performant organic electrodes in the context of energy storage calls for pioneering studies to develop new and possibly optimal materials. Beyond modifying the molecular design of the existing compounds through functionalization, expansion of the search enabling the advent of efficient new backbones can potentially lead to breakthroughs in this research area. The number of already identified families able to constitute negative organic electrodes is much lower than that of their positive counterparts, which calls for finding ways to bridge this gap. To expand the dataset of known predicted redox potentials and in view of reaching an educated guess about the abilities of some eventual new redox active electrodes, we examined the properties of pyrazine N,N'-dioxide (PZDO) and its fully methylated functionalized derivative (TeMePzDO). The aspects and mechanisms driving the various features characteristic of these compounds were unraveled through molecular and periodic DFT calculations combined with accurate electronic structure analysis. The predicted molecular redox/crystalline intercalation potentials lead to the classification of PZDO and TeMePzDO systems within the class of negative electrodes, with features that are significantly appealing compared to those of some existing systems with backbones suited for such kind of application.
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Affiliation(s)
- F Lambert
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, UMR CNRS 7314.
- Hub de l'Energie; Réseau sur le Stockage Electrochimique de l'Energie (RS2E), FR CNRS 3459, 80000 Amiens Cedex, France
- The French Environment and Energy Management Agency (ADEME), 49004 Angers Cedex 01, France
| | - A L Hetzel
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, UMR CNRS 7314.
- Hub de l'Energie; Réseau sur le Stockage Electrochimique de l'Energie (RS2E), FR CNRS 3459, 80000 Amiens Cedex, France
| | - Y Danten
- Institut des Sciences Moléculaires, UMR CNRS 5255, 33405 Talence, France
| | - A A Franco
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, UMR CNRS 7314.
- Hub de l'Energie; Réseau sur le Stockage Electrochimique de l'Energie (RS2E), FR CNRS 3459, 80000 Amiens Cedex, France
- ALISTORE-European Research Institute, Hub de l'Energie, FR CNRS 3104, 80000 Amiens, France
- Institut Universitaire de France, Paris 75005, France
| | - C Gatti
- CNR SCITEC, CNR Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", Milano, Italy
| | - C Frayret
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, UMR CNRS 7314.
- Hub de l'Energie; Réseau sur le Stockage Electrochimique de l'Energie (RS2E), FR CNRS 3459, 80000 Amiens Cedex, France
- ALISTORE-European Research Institute, Hub de l'Energie, FR CNRS 3104, 80000 Amiens, France
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2
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George GC, Hutchins KM. Solid-State [4+4] Cycloaddition and Cycloreversion with Use of Unpaired Hydrogen-Bond Donors to Achieve Solvatomorphism and Stabilization. Chemistry 2023; 29:e202302482. [PMID: 37639230 DOI: 10.1002/chem.202302482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 08/29/2023]
Abstract
The crystal structure of a commercially available anthracene derivative, anthracene-9-thiocarboxamide, is reported here for the first time. The compound undergoes a [4+4] cycloaddition in the solid state to afford facile synthesis of the cycloadduct (CA). The cycloaddition is also reversible in the solid state using heat or mechanical force. Due to the presence of unpaired, strong hydrogen-bond donor atoms on the CA, significant solvatomorphism is achieved, and components of the solvatomorphs self-assemble into four different classes of supramolecular structures. The CA readily crystallizes with a variety of structurally-diverse solvents including those containing oxygen-, nitrogen-, or pi-acceptors. Some of the solvents the CA crystallized with include thiophene, benzene, and the three xylene isomers; thus, the CA was employed in industrially-relevant solvent separation. However, in competition studies, the CA did not exhibit selectivity. Lastly, it is demonstrated that the CA crystallizes with vinyl-containing monomers and is currently the only compound that crystallizes with both widely used monomers 4-vinylpyridine and styrene. Solid-state complexation of the CA with the monomers affords over a 50 °C increase in the monomer's thermal stabilities. The strategy of designing molecules with unused donors can be applied to achieve separations or volatile liquid stabilization.
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Affiliation(s)
- Gary C George
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
| | - Kristin M Hutchins
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
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3
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Mitchell TB, Zhang X, Jerozal RT, Chen YS, Wang S, Benedict JB. Development of a scalar-based geometric parameterization approach for the crystal structure landscape of dithienylethene-based crystalline solids. IUCRJ 2023; 10:694-699. [PMID: 37750828 PMCID: PMC10619447 DOI: 10.1107/s2052252523008060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/14/2023] [Indexed: 09/27/2023]
Abstract
Dithienylethenes (DTEs) are a promising class of organic photoswitches that can be used to create crystalline solids with properties controlled by light. However, the ability of DTEs to adopt multiple conformations, only one of which is photoactive, complicates the rational design of these materials. Herein, the synthesis and structural characterization of 19 crystalline solids containing a single DTE molecule are described. A novel D-D analysis of the molecular geometries obtained from rotational potential energy surface calculations and the ensemble of experimental structures were used to construct a crystal landscape for DTE. Of the 19 crystal structures, 17 contained photoinactive DTE rotamers and only 2 were photoactive. These results highlight the challenges associated with the design of these materials. Overall, the D-D analysis described herein provides rapid, effective and intuitive means of linking the molecular structure to photoactivity that could be applied more broadly to afford a general strategy for producing photoactive diarylethene-based crystalline solids.
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Affiliation(s)
- Travis B. Mitchell
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY 14260-3000, USA
| | - Xiaotong Zhang
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY 14260-3000, USA
| | - Ronald T. Jerozal
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY 14260-3000, USA
| | - Yu-Sheng Chen
- NSF’s ChemMatCARS, University of Chicago, Chicago, Lemont, IL 60439, USA
| | - SuYin Wang
- NSF’s ChemMatCARS, University of Chicago, Chicago, Lemont, IL 60439, USA
| | - Jason B. Benedict
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, NY 14260-3000, USA
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4
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Vaas S, Zimmermann MO, Schollmeyer D, Stahlecker J, Engelhardt MU, Rheinganz J, Drotleff B, Olfert M, Lämmerhofer M, Kramer M, Stehle T, Boeckler FM. Principles and Applications of CF 2X Moieties as Unconventional Halogen Bond Donors in Medicinal Chemistry, Chemical Biology, and Drug Discovery. J Med Chem 2023; 66:10202-10225. [PMID: 37487500 PMCID: PMC10424184 DOI: 10.1021/acs.jmedchem.3c00634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Indexed: 07/26/2023]
Abstract
As an orthogonal principle to the established (hetero)aryl halides, we herein highlight the usefulness of CF2X (X = Cl, Br, or I) moieties. Using tool compounds bearing CF2X moieties, we study their chemical/metabolic stability and their logP/solubility, as well as the role of XB in their small molecular crystal structures. Employing QM techniques, we analyze the observed interactions, provide insights into the conformational flexibilities and preferences in the potential interaction space. For their application in molecular design, we characterize their XB donor capacities and its interaction strength dependent on geometric parameters. Implementation of CF2X acetamides into our HEFLibs and biophysical evaluation (STD-NMR/ITC), followed by X-ray analysis, reveals a highly interesting binding mode for fragment 23 in JNK3, featuring an XB of CF2Br toward the P-loop, as well as chalcogen bonds. We suggest that underexplored chemical space combined with unconventional binding modes provides excellent opportunities for patentable chemotypes for therapeutic intervention.
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Affiliation(s)
- Sebastian Vaas
- Laboratory
for Molecular Design & Pharmaceutical Biophysics, Institute of
Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
| | - Markus O. Zimmermann
- Laboratory
for Molecular Design & Pharmaceutical Biophysics, Institute of
Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
| | - Dieter Schollmeyer
- Department
of Chemistry, Johannes Gutenberg-Universität
Mainz, 55099 Mainz, Germany
| | - Jason Stahlecker
- Laboratory
for Molecular Design & Pharmaceutical Biophysics, Institute of
Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
| | - Marc U. Engelhardt
- Laboratory
for Molecular Design & Pharmaceutical Biophysics, Institute of
Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
| | - Janosch Rheinganz
- Laboratory
for Molecular Design & Pharmaceutical Biophysics, Institute of
Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
| | - Bernhard Drotleff
- Pharmaceutical
(Bio)Analysis, Institute of Pharmaceutical Sciences, Department of
Pharmacy and Biochemistry, Eberhard Karls
Universität Tübingen, 72076 Tübingen, Germany
| | - Matthias Olfert
- Pharmaceutical
(Bio)Analysis, Institute of Pharmaceutical Sciences, Department of
Pharmacy and Biochemistry, Eberhard Karls
Universität Tübingen, 72076 Tübingen, Germany
| | - Michael Lämmerhofer
- Pharmaceutical
(Bio)Analysis, Institute of Pharmaceutical Sciences, Department of
Pharmacy and Biochemistry, Eberhard Karls
Universität Tübingen, 72076 Tübingen, Germany
| | - Markus Kramer
- Institute
of Organic Chemistry, Eberhard Karls Universität
Tübingen, 72076 Tübingen, Germany
| | - Thilo Stehle
- Interfaculty
Institute of Biochemistry, Department of Pharmacy and Biochemistry, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
| | - Frank M. Boeckler
- Laboratory
for Molecular Design & Pharmaceutical Biophysics, Institute of
Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
- Institute
for Bioinformatics and Medical Informatics (IBMI), Eberhard Karls Universität Tübingen, 72076 Tübingen, Germany
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5
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Angevine D, Camacho KJ, Zhang X, Rzayev J, Benedict JB. Enhancing the Stability of Nicotine via Crystallization Using Enantiopure Tartaric Acid Salt Formers. ACS OMEGA 2023; 8:15535-15542. [PMID: 37151519 PMCID: PMC10157684 DOI: 10.1021/acsomega.3c00849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/05/2023] [Indexed: 05/09/2023]
Abstract
Crystallization of nicotine, an oil prone to degradation at room temperature, has been demonstrated to be an effective means of creating nicotine-based materials with tunable thermal properties and improved resistance to photo-induced degradation. Herein, we show that both isomers of enantiomerically pure tartaric acid are highly effective salt formers when combined with nicotine. Both salts exhibit enhanced photostability, and with a melting point of 143.1 °C, the salt prepared using d-(-)-tartaric acid possesses one of the highest melting points for a crystalline nicotine solid reported to date.
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6
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Angevine DJ, Camacho KJ, Rzayev J, Benedict JB. Enhancing the Photo and Thermal Stability of Nicotine through Crystal Engineering with Gentisic Acid. Molecules 2022; 27:molecules27206853. [PMID: 36296448 PMCID: PMC9611154 DOI: 10.3390/molecules27206853] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/06/2022] [Accepted: 10/10/2022] [Indexed: 11/25/2022] Open
Abstract
The use of crystal engineering to convert liquids into crystalline solids remains a powerful method for inhibiting undesired degradation pathways. When nicotine, a liquid sensitive to both light and air, is combined with the GRAS-listed compound, gentisic acid, the resulting crystalline solid, exhibits enhanced photo and thermal stability. Despite a modest ΔTm of 42.7 °C, the melting point of 155.9 °C for the nicotinium gentisate salt is the highest reported for nicotine-containing crystalline solids. An analysis of the crystal packing and thermodynamic properties provides context for the observed properties.
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Affiliation(s)
- Devin J. Angevine
- Department of Chemistry, University at Buffalo 730 Natural Sciences Complex, Buffalo, NY 14260-3000, USA
| | - Kristine Joy Camacho
- Department of Chemistry, University at Buffalo 838 Natural Sciences Complex, Buffalo, NY 14260-3000, USA
| | - Javid Rzayev
- Department of Chemistry, University at Buffalo 826 Natural Sciences Complex, Buffalo, NY 14260-3000, USA
| | - Jason B. Benedict
- Department of Chemistry, University at Buffalo 771 Natural Sciences Complex, Buffalo, NY 14260-3000, USA
- Correspondence:
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7
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Mazzeo PP, Prencipe M, Feiler T, Emmerling F, Bacchi A. On the Mechanism of Cocrystal Mechanochemical Reaction via Low Melting Eutectic: A Time-Resolved In Situ Monitoring Investigation. CRYSTAL GROWTH & DESIGN 2022; 22:4260-4267. [PMID: 35818385 PMCID: PMC9264353 DOI: 10.1021/acs.cgd.2c00262] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Mechanochemistry has become a sustainable and attractive cost-effective synthetic technique, largely used within the frame of crystal engineering. Cocrystals, namely, crystalline compounds made of different chemical entities within the same crystal structure, are typically synthesized in bulk via mechanochemistry; however, whereas the macroscopic aspects of grinding are becoming clear, the fundamental principles that underlie mechanochemical cocrystallization at the microscopic level remain poorly understood. Time-resolved in situ (TRIS) monitoring approaches have opened the door to exceptional detail regarding mechanochemical reactions. We here report a clear example of cocrystallization between two solid coformers that proceeds through the formation of a metastable low melting binary eutectic phase. The overall cocrystallization process has been monitored by time-resolved in situ (TRIS) synchrotron X-ray powder diffraction with a customized ball milling setup, currently available at μSpot beamline at BESSY-II, Helmholtz-Zentrum Berlin. The binary system and the low melting eutectic phase were further characterized via DSC, HSM, and VT-XRPD.
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Affiliation(s)
- Paolo P. Mazzeo
- Department
of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
- Biopharmanet-TEC, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
- Email
| | - Michele Prencipe
- Department
of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Torvid Feiler
- BAM
Federal Institute for Materials Research and Testing, Richard-Willstätter-Straße
11, D-12489 Berlin, Germany
| | - Franziska Emmerling
- BAM
Federal Institute for Materials Research and Testing, Richard-Willstätter-Straße
11, D-12489 Berlin, Germany
| | - Alessia Bacchi
- Department
of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
- Biopharmanet-TEC, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
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8
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Borchers TH, Topić F, Christopherson JC, Bushuyev OS, Vainauskas J, Titi HM, Friščić T, Barrett CJ. Cold photo-carving of halogen-bonded co-crystals of a dye and a volatile co-former using visible light. Nat Chem 2022; 14:574-581. [PMID: 35361911 DOI: 10.1038/s41557-022-00909-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 02/07/2022] [Indexed: 11/09/2022]
Abstract
The formation of co-crystals by the assembly of molecules with complementary molecular recognition functionalities is a popular strategy to design or improve a range of solid-state properties, including those relevant for pharmaceuticals, photo- or thermoresponsive materials and organic electronics. Here, we report halogen-bonded co-crystals of a fluorinated azobenzene derivative with a volatile component-either dioxane or pyrazine-that can be cut, carved or engraved with low-power visible light. This cold photo-carving process is enabled by the co-crystallization of a light-absorbing azo dye with a volatile component, which gives rise to materials that can be selectively disassembled with micrometre precision using low-power, non-burning laser irradiation or a commercial confocal microscope. The ability to shape co-crystals in three dimensions using laser powers of 0.5-20 mW-substantially lower than those used for metals, ceramics or polymers-is rationalized by photo-carving that targets the disruption of weak supramolecular interactions, rather than the covalent bonds or ionic structures targeted by conventional laser beam or focused ion beam machining processes.
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Affiliation(s)
- T H Borchers
- Department of Chemistry, McGill University, Montreal, Quebec, Canada
| | - F Topić
- Department of Chemistry, McGill University, Montreal, Quebec, Canada
| | | | - O S Bushuyev
- Department of Chemistry, McGill University, Montreal, Quebec, Canada
| | - J Vainauskas
- Department of Chemistry, McGill University, Montreal, Quebec, Canada
| | - H M Titi
- Department of Chemistry, McGill University, Montreal, Quebec, Canada
| | - T Friščić
- Department of Chemistry, McGill University, Montreal, Quebec, Canada.
| | - C J Barrett
- Department of Chemistry, McGill University, Montreal, Quebec, Canada.
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9
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Liu L, Wang JR, Mei X. Enhancing the stability of active pharmaceutical ingredients by the cocrystal strategy. CrystEngComm 2022. [DOI: 10.1039/d1ce01327k] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cocrystal strategies to achieve excellent physiochemical performance under different environmental stress were highlighted here. The lattice energy and the energy barrier of degradation reactions are two pillars in a stable cocrystal construction.
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Affiliation(s)
- Liyu Liu
- University of Chinese Academy of Sciences, Beijing 100049, China
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jian-Rong Wang
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xuefeng Mei
- University of Chinese Academy of Sciences, Beijing 100049, China
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
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10
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Qin SQ, Gan QY, Xu W, Jiang RW. Hybrid interaction network of guanidinium-biphenyldisulfonic acid for the structure determination of liquid molecules. CrystEngComm 2022. [DOI: 10.1039/d2ce00228k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Guanidinium−biphenyldisulfonic acid (GBPS) was used as a coformer for the co-crystallization of liquid compounds 1-8 [isoeugenol (1), (-)-isopulegeol (2), eugenol acetate (3), trans-anethole (4), p-anisaldehyde (5), methyl isoeugenol (6), 2,6-dimethylaniline...
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11
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Würdemann MA, Faber T, Harings JAW, Bernaerts KV, Orru RVA, Pich A. Post-Modification of Biobased Pyrazines and Their Polyesters. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01592] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- M. A. Würdemann
- Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167RD Geleen, The Netherlands
| | - T. Faber
- Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167RD Geleen, The Netherlands
| | - J. A. W. Harings
- Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167RD Geleen, The Netherlands
| | - K. V. Bernaerts
- Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167RD Geleen, The Netherlands
| | - R. V. A. Orru
- Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167RD Geleen, The Netherlands
| | - A. Pich
- Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167RD Geleen, The Netherlands
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12
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Abstract
We performed a structural study of N-alkylated halogenopyridinium cations to examine whether choice of the N-substituent has any considerable effect on the halogen bonding capability of the cations. For that purpose, we prepared a series of N-ethyl-3-halopyridinium iodides and compared them with their N-methyl-3-halopyridinium analogues. Structural analysis revealed that N-ethylated halogenopyridinium cations form slightly shorter C−X⋯I− halogen bonds with iodide anion. We have also attempted synthesis of ditopic symmetric bis-(3-iodopyridinium) dications. Although successful in only one case, the syntheses have afforded two novel ditopic asymmetric monocations with an iodine atom bonded to the pyridine ring and another on the aliphatic N-substituent. Here, the C−I⋯I− halogen bond lengths involving pyridine iodine atom were notably shorter than those involving an aliphatic iodine atom as a halogen bond donor. This trend in halogen bond lengths is in line with the charge distribution on the Hirshfeld surfaces of the cations—the positive charge is predominantly located in the pyridine ring making the pyridine iodine atom σ-hole more positive than the one on the alkyl chan.
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13
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Affiliation(s)
- Alessia Bacchi
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parma, Italy
- Biopharmanet-TEC, Università degli studi di Parma, Parma, Italy
| | - Paolo Pio Mazzeo
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parma, Italy
- Biopharmanet-TEC, Università degli studi di Parma, Parma, Italy
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14
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Abstract
With an increasing interest in cocrystals due to various advantages, demand for large-scale cocrystallization techniques is rising. Solution cocrystallization is a solvent-based approach that utilizes several single-component crystallization concepts as well as equipment for generating cocrystals. Solution-based techniques can produce cocrystals with reasonable control on purity, size distribution, morphology, and polymorphic form. Many of them also offer a scalable solution for the industrial production of cocrystals. However, the complexity of the thermodynamic landscape and the kinetics of cocrystallization offers fresh challenges which are not encountered in single component crystallization. This review focuses on the recent developments in different solution cocrystallization techniques for the production of pharmaceutically relevant cocrystals. The review consists of two sections. The first section describes the various solution cocrystallization methods, highlighting their benefits and limitations. The second section emphasizes the challenges in developing these techniques to an industrial scale and identifies the major thrust areas where further research is required.
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15
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Zhu B, Zhang Q, Lu L, Bao J, Rong X, Wang JR, Mei X. Cocrystals to tune oily vitamin E into crystal vitamin E. Int J Pharm 2021; 592:120057. [PMID: 33171264 DOI: 10.1016/j.ijpharm.2020.120057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/22/2020] [Accepted: 11/03/2020] [Indexed: 01/10/2023]
Abstract
d-α-tocopherol (d-αToc), the most biologically active form of natural Vitamin E, is oily in appearance and unstable to oxygen. Esterification and encapsulation are generally needed to stabilize and solidify d-αToc for the purpose of its expanding applications. In this study, we propose a more effective way to stabilize and solidify d-αToc oil in one step. By cocrystallization, the melting point of d-αToc is significantly increased, such that the oily d-αToc is successfully transformed into solid form at room temperature. The single crystal structure of d-αToc was firstly uncovered and the molecular interaction in cocrystals was revealed. Crystalline Vitamin E shows high stability to light and temperature. Its spherical crystallization affords good powder flowability, which is extremely important as food or feed additives. Moreover, cocrystal Vitamin E remains the original form of tocopherol without esterification and thus has a great advantage on higher bioavailability. Cocrystallization of oily d-αToc spares the use of acetic ester and a mass of excipients, which is of great environmental importance and greatly reduces the production cost.
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Affiliation(s)
- Bingqing Zhu
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Qi Zhang
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Liye Lu
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Junjie Bao
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xiaoyi Rong
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jian-Rong Wang
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xuefeng Mei
- Pharmaceutical Analytical & Solid-State Chemistry Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.
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16
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Mazzeo PP, Balestri D, Bacchi A, Pelagatti P. Stabilization of liquid active guests via nanoconfinement into a flexible microporous metal–organic framework. CrystEngComm 2021. [DOI: 10.1039/d1ce00899d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The nanoconfinement of the three liquid guests within a MOF has been fully investigated in terms of host–guest interactions and framework rearrangement.
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Affiliation(s)
- Paolo P. Mazzeo
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
- Biopharmanet-TEC, Università di Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Davide Balestri
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Alessia Bacchi
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
- Biopharmanet-TEC, Università di Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Paolo Pelagatti
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
- Centro Interuniversitario di Reattività Chimica e Catalisi (CIRCC), Via Celso Ulpiani 27, 70126 Bari, Italy
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17
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Nemec V, Lisac K, Bedeković N, Fotović L, Stilinović V, Cinčić D. Crystal engineering strategies towards halogen-bonded metal–organic multi-component solids: salts, cocrystals and salt cocrystals. CrystEngComm 2021. [DOI: 10.1039/d1ce00158b] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This highlight presents an overview of the current advances in the preparation of halogen bonded metal–organic multi-component solids, including salts and cocrystals comprising neutral and ionic constituents.
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Affiliation(s)
- Vinko Nemec
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - Katarina Lisac
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - Nikola Bedeković
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - Luka Fotović
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - Vladimir Stilinović
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - Dominik Cinčić
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
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18
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Araya-Sibaja AM, Fandaruff C, Wilhelm K, Vega-Baudrit JR, Guillén-Girón T, Navarro-Hoyos M. Crystal Engineering to Design of Solids: From Single to Multicomponent Organic Materials. MINI-REV ORG CHEM 2020. [DOI: 10.2174/1570193x16666190430153231] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Primarily composed of organic molecules, pharmaceutical materials, including drugs and
excipients, frequently exhibit physicochemical properties that can affect the formulation, manufacturing
and packing processes as well as product performance and safety. In recent years, researchers
have intensively developed Crystal Engineering (CE) in an effort to reinvent bioactive molecules
with well-known, approved pharmacological effects. In general, CE aims to improve the physicochemical
properties without affecting their intrinsic characteristics or compromising their stability.
CE involves the molecular recognition of non-covalent interactions, in which organic materials are
responsible for the regular arrangement of molecules into crystal lattices. Modern CE, encompasses
all manipulations that result in the alteration of crystal packing as well as methods that disrupt crystal
lattices or reduce the size of crystals, or a combination of them. Nowadays, cocrystallisation has been
the most explored strategy to improve solubility, dissolution rate and bioavailability of Active Pharmaceutical
Ingredients (API). However, its combinatorial nature involving two or more small organic
molecules, and the use of diverse crystallisation processes increase the possible outcomes. As a result,
numerous organic materials can be obtained as well as several physicochemical and mechanical
properties can be improved. Therefore, this review will focus on novel organic solids obtained when
CE is applied including crystalline and amorphous, single and multicomponent as well as nanosized
ones, that have contributed to improving not only solubility, dissolution rate, bioavailability permeability
but also, chemical and physical stability and mechanical properties.
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Affiliation(s)
| | | | - Krissia Wilhelm
- Escuela de Quimica, Universidad de Costa Rica, San Jose 11501-2060, Costa Rica
| | | | - Teodolito Guillén-Girón
- Escuela de Ciencia e Ingenieria de los Materiales, Tecnologico de Costa Rica, Cartago 159-7050, Costa Rica
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19
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Mikherdov AS, Novikov AS, Boyarskiy VP, Kukushkin VY. The halogen bond with isocyano carbon reduces isocyanide odor. Nat Commun 2020; 11:2921. [PMID: 32523100 PMCID: PMC7286913 DOI: 10.1038/s41467-020-16748-x] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Accepted: 05/21/2020] [Indexed: 12/24/2022] Open
Abstract
Predominantly, carbon atoms of various species function as acceptors of noncovalent interactions when they are part of a π-system. Here, we report on the discovery of a halogen bond involving the isocyano carbon lone pair. The co-crystallization or mechanochemical liquid-assisted grinding of model mesityl isocyanide with four iodoperfluorobenezenes leads to a series of halogen-bonded adducts with isocyanides. The obtained adducts were characterized by single-crystal and powder X-ray diffraction, solid-state IR and 13C NMR spectroscopies, and also by thermogravimetric analysis. The formation of the halogen bond with the isocyano group leads to a strong reduction of the isocyanide odor (3- to 46-fold gas phase concentration decrease). This manipulation makes isocyanides more suitable for laboratory storage and usage while preserving their reactivity, which is found to be similar between the adducts and the parent isocyanide in some common transformations, such as ligation to metal centers and the multi-component Ugi reaction. Carbon atoms of various species typically function as acceptors of noncovalent interactions when they are part of a π-system. Here, the authors report their discovery of a noncovalent halogen bond involving the isocyano carbon lone pair, which results in adducts with strongly reduced isocyanide odor.
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Affiliation(s)
- Alexander S Mikherdov
- Saint Petersburg State University, Universitetskaya Nab., 7/9, Saint Petersburg, Russian Federation.
| | - Alexander S Novikov
- Saint Petersburg State University, Universitetskaya Nab., 7/9, Saint Petersburg, Russian Federation
| | - Vadim P Boyarskiy
- Saint Petersburg State University, Universitetskaya Nab., 7/9, Saint Petersburg, Russian Federation
| | - Vadim Yu Kukushkin
- Saint Petersburg State University, Universitetskaya Nab., 7/9, Saint Petersburg, Russian Federation.
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20
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Cruz-Cabeza AJ, Wright SE, Bacchi A. On the entropy cost of making solvates. Chem Commun (Camb) 2020; 56:5127-5130. [PMID: 32267257 DOI: 10.1039/d0cc01050b] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
We present a simple way of estimating the entropy cost of solvate formation in crystals. The entropy penalty of making solvates can be as low as <1 kJ mol-1 or as high as >9 kJ mol-1 and is entirely dependent on the nature of the liquid component and the temperature of solvate formation. A link is found between a low entropy cost and a higher likelihood for a solvent to make solvates.
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Affiliation(s)
- Aurora J Cruz-Cabeza
- Department of Chemical Engineering and Analytical Science, University of Manchester, Manchester, UK.
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21
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Biot N, Bonifazi D. Concurring Chalcogen‐ and Halogen‐Bonding Interactions in Supramolecular Polymers for Crystal Engineering Applications. Chemistry 2020; 26:2904-2913. [DOI: 10.1002/chem.201904762] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Nicolas Biot
- School of Chemistry Cardiff University Park Place CF10 3AT Cardiff UK
| | - Davide Bonifazi
- School of Chemistry Cardiff University Park Place CF10 3AT Cardiff UK
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22
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Sarkar N, Mitra J, Vittengl M, Berndt L, Aakeröy CB. A user-friendly application for predicting the outcome of co-crystallizations. CrystEngComm 2020. [DOI: 10.1039/d0ce01074j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An automated application, CoForm, was used for predicting the outcomes of attempted co-crystallizations between two active pharmaceutical ingredients, loratadine and desloratadine, and 41 potential co-formers from the general interest (OGI) list.
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Affiliation(s)
- Nandini Sarkar
- Department of Chemistry
- Kansas State University
- Manhattan
- USA
| | - Joydeep Mitra
- Department of Computer Science
- Kansas State University
- Manhattan
- USA
| | - Molly Vittengl
- Department of Chemistry
- Truman State University
- Kirksville
- USA
| | - Lexi Berndt
- Department of Chemistry
- Kansas State University
- Manhattan
- USA
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23
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Sarkar N, Aakeröy CB. Evaluating hydrogen-bond propensity, hydrogen-bond coordination and hydrogen-bond energy as tools for predicting the outcome of attempted co-crystallisations. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1693043] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Nandini Sarkar
- Department of Chemistry, Kansas State University, Manhattan, KS, USA
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24
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Sarkar N, Sinha AS, Aakeröy CB. Systematic investigation of hydrogen-bond propensities for informing co-crystal design and assembly. CrystEngComm 2019. [DOI: 10.1039/c9ce01196j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Structure-informatics methods can provide important guidelines for defining the experimental space that needs to be explored in the efficient pursuit of new co-crystals.
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Affiliation(s)
- Nandini Sarkar
- Department of Chemistry
- Kansas State University
- Manhattan
- USA
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25
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Nemec V, Fotović L, Vitasović T, Cinčić D. Halogen bonding of the aldehyde oxygen atom in cocrystals of aromatic aldehydes and 1,4-diiodotetrafluorobenzene. CrystEngComm 2019. [DOI: 10.1039/c9ce00340a] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Novel halogen bonded cocrystals of aromatic aldehydes have been synthesized. We present the halogen bond acceptor potential of the aldehyde group oxygen atom in competition with the hydroxy, methoxy and pyridine groups.
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Affiliation(s)
- Vinko Nemec
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - Luka Fotović
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - Toni Vitasović
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - Dominik Cinčić
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
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26
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Raman study of the effects of solvent Lewis basicity on halogen bonding for short-chain primary and secondary iodo-perfluoroalkanes. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.09.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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27
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Bibi N, de Arruda EGR, Domingo A, Oliveira AA, Galuppo C, Phung QM, Orra NM, Béron F, Paesano A, Pierloot K, Formiga ALB. Switching the Spin-Crossover Phenomenon by Ligand Design on Imidazole–Diazineiron(II) Complexes. Inorg Chem 2018; 57:14603-14616. [DOI: 10.1021/acs.inorgchem.8b02278] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Naheed Bibi
- Institute of Chemistry University of Campinas—UNICAMP, P.O. Box 6154, Campinas, São Paulo 13083-970, Brazil
| | | | - Alex Domingo
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven B-3001, Belgium
| | | | - Carolina Galuppo
- Institute of Chemistry University of Campinas—UNICAMP, P.O. Box 6154, Campinas, São Paulo 13083-970, Brazil
| | - Quan Manh Phung
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven B-3001, Belgium
| | - Naíma Mohammed Orra
- Institute of Chemistry University of Campinas—UNICAMP, P.O. Box 6154, Campinas, São Paulo 13083-970, Brazil
| | - Fanny Béron
- Institute of Physics Gleb Wataghin, University of Campinas—UNICAMP, Rua Sérgio Buarque de Holanda 777, Campinas, São Paulo 13083-859, Brazil
| | | | - Kristine Pierloot
- Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven B-3001, Belgium
| | - André Luiz Barboza Formiga
- Institute of Chemistry University of Campinas—UNICAMP, P.O. Box 6154, Campinas, São Paulo 13083-970, Brazil
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28
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Hutchins KM. Functional materials based on molecules with hydrogen-bonding ability: applications to drug co-crystals and polymer complexes. ROYAL SOCIETY OPEN SCIENCE 2018; 5:180564. [PMID: 30110449 PMCID: PMC6030288 DOI: 10.1098/rsos.180564] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 05/25/2018] [Indexed: 05/31/2023]
Abstract
The design, synthesis and property characterization of new functional materials has garnered interest in a variety of fields. Materials that are capable of recognizing and binding with small molecules have applications in sensing, sequestration, delivery and property modification. Specifically, recognition of pharmaceutical compounds is of interest in each of the aforementioned application areas. Numerous pharmaceutical compounds comprise functional groups that are capable of engaging in hydrogen-bonding interactions; thus, materials that are able to act as hydrogen-bond receptors are of significant interest for these applications. In this review, we highlight some crystalline and polymeric materials that recognize and engage in hydrogen-bonding interactions with pharmaceuticals or small biomolecules. Moreover, as pharmaceuticals often exhibit multiple hydrogen-bonding sites, many donor/acceptor molecules have been specifically designed to interact with the drug via such multiple-point hydrogen bonds. The formation of multiple hydrogen bonds not only increases the strength of the interaction but also affords unique hydrogen-bonded architectures.
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Affiliation(s)
- Kristin M. Hutchins
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409, USA
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29
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Sandhu B, Sinha AS, Desper J, Aakeröy CB. Modulating the physical properties of solid forms of urea using co-crystallization technology. Chem Commun (Camb) 2018; 54:4657-4660. [PMID: 29564447 DOI: 10.1039/c8cc01144c] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The solid-form landscape of urea was explored using full interaction maps (FIMs) and data from the CSD to develop optimum protocols for synthesizing co-crystals of urea. As a result, 49 of the 60 attempted reactions produced new co-crystals, and the crystal structures of four of these are presented. Moreover, the goal of reducing the solubility and lowering the hygroscopicity of the parent compound was achieved, which in turn offers new opportunities for application as a slow-release fertilizer with limited hygroscopicity, thereby reducing many current problems of transport, handling, and storage of urea.
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Affiliation(s)
- Bhupinder Sandhu
- Department of Chemistry, Kansas State University, Manhattan, KS 66506, USA.
| | - Abhijeet S Sinha
- Department of Chemistry, Kansas State University, Manhattan, KS 66506, USA.
| | - John Desper
- Department of Chemistry, Kansas State University, Manhattan, KS 66506, USA.
| | - Christer B Aakeröy
- Department of Chemistry, Kansas State University, Manhattan, KS 66506, USA.
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30
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Quiñonero D, Alkorta I, Elguero J. Cation-cation and anion-anion complexes stabilized by halogen bonds. Phys Chem Chem Phys 2018; 18:27939-27950. [PMID: 27711592 DOI: 10.1039/c6cp03662g] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stable minima showing halogen bonds between charged molecules with the same sign have been explored by means of theoretical calculations. The dissociation transition states and their corresponding barriers have also been characterized. In all cases, the results indicate that the complexes are thermodynamically unstable but kinetically stable with respect to the isolated monomers in gas phase. A corrected binding energy profile by removing the charge-charge repulsion of the monomers shows a profile similar to the one observed for the dissociation of analogous neutral systems. The nature of the interaction in the minima and TSs has been analyzed using the symmetry adapted perturbation theory (SAPT) method. The results indicate the presence of local favorable electrostatic interactions in the minima that vanish in the TSs. Natural bond orbital (NBO) and "atoms-in-molecules" (AIM) theories were used to analyze the complexes, obtaining good correlations between Laplacian and electron density values with both bond distances and charge-transfer energy contributions E(2). The largest E(2) orbital interaction energies for cation-cation and anion-anion complexes are 561.2 and 197.9 kJ mol-1, respectively.
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Affiliation(s)
- David Quiñonero
- Departament de Química, Universitat de les Illes Balears, Crta. de Valldemossa km 7.5, 07122 Palma de Mallorca, Spain.
| | - Ibon Alkorta
- Instituto de Química Médica (CSIC), Juan de la Cierva, 3, 28006 Madrid, Spain.
| | - José Elguero
- Instituto de Química Médica (CSIC), Juan de la Cierva, 3, 28006 Madrid, Spain.
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31
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Carletta A, Zbačnik M, Vitković M, Tumanov N, Stilinović V, Wouters J, Cinčić D. Halogen-bonded cocrystals ofN-salicylidene Schiff bases and iodoperfluorinated benzenes: hydroxyl oxygen as a halogen bond acceptor. CrystEngComm 2018. [DOI: 10.1039/c8ce01145a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Novel halogen bondedo-hydroxy imine cocrystals with 1,3,5-triiodotrifluoro-benzene and 1,2-, 1,3- and 1,4-diiodotetrafluorobenzene have been synthesized.
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Affiliation(s)
- Andrea Carletta
- Department of Chemistry
- NISM
- University of Namur
- B-5000 Namur
- Belgium
| | - Marija Zbačnik
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
| | - Matea Vitković
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
| | - Nikolay Tumanov
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
| | - Vladimir Stilinović
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
| | - Johan Wouters
- Department of Chemistry
- NISM
- University of Namur
- B-5000 Namur
- Belgium
| | - Dominik Cinčić
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
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32
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Lisac K, Cinčić D. Simple design for metal-based halogen-bonded cocrystals utilizing the M–Cl⋯I motif. CrystEngComm 2018. [DOI: 10.1039/c8ce00754c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The halogen bonding proclivity of the chlorine atom coordinated to the Co(ii) metal centre has been explored by synthesis and crystal structure analysis of a family of 12 novel metal-based halogen-bonded cocrystals with iodine-based donors.
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Affiliation(s)
- Katarina Lisac
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
| | - Dominik Cinčić
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
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33
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Liu X, McMillen CD, Thrasher JS. Cooperative intermolecular S–Cl⋯O and F⋯F associations in the crystal packing of α,ω-di(sulfonyl chloride) perfluoroalkanes, ClSO 2(CF 2) nSO 2Cl, where n = 4, 6. NEW J CHEM 2018. [DOI: 10.1039/c8nj00536b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Halogen bonding between neighboring sulfonyl chloride groups and short fluorine–fluorine contacts supports crystal formation in the title compounds.
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Affiliation(s)
- Xiaolin Liu
- Department of Materials Science and Engineering
- Clemson University
- Advanced Materials Research Laboratory
- Anderson
- USA
| | - Colin D. McMillen
- Department of Chemistry
- Clemson University
- Hunter Laboratories
- Clemson
- USA
| | - Joseph S. Thrasher
- Department of Chemistry
- Clemson University
- Advanced Materials Research Laboratory
- Anderson
- USA
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34
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Brisdon AK, Muneer AMT, Pritchard RG. Halogen bonding in a series of Br(CF 2) nBr-DABCO adducts (n = 4, 6, 8). ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2017; 73:874-879. [PMID: 29111512 DOI: 10.1107/s2053229617013663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 09/23/2017] [Indexed: 11/10/2022]
Abstract
Halogen bonding (XB) is a highly-directional class of intermolecular interactions that has been used as a powerful tool to drive the design of crystals in the solid phase. To date, the majority of XB donors have been iodine-containing compounds, with many fewer involving brominated analogues. We report the formation of adducts in the vapour phase from a series of dibromoperfluoroalkyl compounds, BrCF2(CF2)nCF2Br (n = 2, 4, 6), and 1,4-diazabicyclo[2.2.2]octane (DABCO). Single-crystal X-ray diffraction studies of the colourless crystals identified 1,4-diazabicyclo[2.2.2]octane-1,4-dibromoperfluorobutane (1/1), C4Br2F8·C6H12N2, (I), 1,4-diazabicyclo[2.2.2]octane-1,6-dibromoperfluorohexane (1/1), C6Br2F12·C6H12N2, (II), and 1,4-diazabicyclo[2.2.2]octane-1,8-dibromoperfluorooctane (1/1), C8Br2F16·C6H12N2, (III), each of which displays a one-dimensional halogen-bonded network. All three adducts exhibit N...Br distances less than the sum of the van der Waals radii, with butane analogue (I) showing the shortest N...Br halogen-bond distances yet reported between a bromoperfluorocarbon and a nitrogen base [2.809 (3) and 2.818 (3) Å], which are 0.58 and 0.59 Å shorter than the sum of the van der Waals radii.
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Affiliation(s)
- Alan K Brisdon
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, England
| | - Abeer M T Muneer
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, England
| | - Robin G Pritchard
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, England
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35
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Halogen-Bonded Co-Crystals of Aromatic N-oxides: Polydentate Acceptors for Halogen and Hydrogen Bonds. CRYSTALS 2017. [DOI: 10.3390/cryst7070214] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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36
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Wang H, Jin WJ. Cocrystal assembled by 1,4-diiodotetrafluorobenzene and phenothiazine based on C-I...π/N/S halogen bond and other assisting interactions. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2017; 73:210-216. [PMID: 28362284 DOI: 10.1107/s2052520617002918] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Accepted: 02/21/2017] [Indexed: 06/07/2023]
Abstract
The halogen-bonded cocrystal of 1,4-diiodotetrafluorobenzene (1,4-DITFB) with the butterfly-shape non-planar heterocyclic compound phenothiazine (PHT) was successfully assembled by the conventional solution-based method. X-ray single-crystal diffraction analysis reveals a 3:2 stoichiometric ratio for the cocrystal (1,4-DITFB/PHT), and the cocrystal structure is constructed via C-I...π, C-I...N and C-I...S halogen bonds as well as other assisting interactions (e.g. C-H...F/S hydrogen bond, C-H...H-C and C-F...F-C bonds). The small shift of the 1,4-DITFB vibrational band to lower frequencies in FT-IR and Raman spectroscopies provide evidence to confirm the existence of the halogen bond. In addition, the non-planarity of the PHT molecule in the cocrystal results in PHT emitting weak phosphorescence and relatively strong delayed fluorescence. Thus, a wide range of delayed fluorescence and weak phosphorescence could play a significant role in selecting a proper π-conjugated system to engineer functional cocrystal and luminescent materials by halogen bonds.
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Affiliation(s)
- Hui Wang
- College of Chemistry and Material Science, Shanxi Normal University, Linfen, Shanxi 041004, People's Republic of China
| | - Wei Jun Jin
- College of Chemistry, Beijing Normal University, Beijing, Beijing 100875, People's Republic of China
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37
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Rowe RK, Ho PS. Relationships between hydrogen bonds and halogen bonds in biological systems. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2017; 73:255-264. [PMID: 28362290 DOI: 10.1107/s2052520617003109] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 02/24/2017] [Indexed: 06/07/2023]
Abstract
The recent recognition that halogen bonding (XB) plays important roles in the recognition and assembly of biological molecules has led to new approaches in medicinal chemistry and biomolecular engineering. When designing XBs into strategies for rational drug design or into a biomolecule to affect its structure and function, we must consider the relationship between this interaction and the more ubiquitous hydrogen bond (HB). In this review, we explore these relationships by asking whether and how XBs can replace, compete against or behave independently of HBs in various biological systems. The complex relationships between the two interactions inform us of the challenges we face in fully utilizing XBs to control the affinity and recognition of inhibitors against their therapeutic targets, and to control the structure and function of proteins, nucleic acids and other biomolecular scaffolds.
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Affiliation(s)
- Rhianon K Rowe
- Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, Colorado 80523-1870, USA
| | - P Shing Ho
- Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, Colorado 80523-1870, USA
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38
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Kumar V, Pilati T, Terraneo G, Meyer F, Metrangolo P, Resnati G. Halogen bonded Borromean networks by design: topology invariance and metric tuning in a library of multi-component systems. Chem Sci 2017; 8:1801-1810. [PMID: 28694953 PMCID: PMC5477818 DOI: 10.1039/c6sc04478f] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 10/20/2016] [Indexed: 12/31/2022] Open
Abstract
A library of supramolecular anionic networks showing Borromean interpenetration has been prepared by self-assembly of crypt-222, several metal or ammonium halides, and five bis-homologous α,ω-diiodoperfluoroalkanes. Halogen bonding has driven the formation of these anionic networks. Borromean entanglement has been obtained starting from all the four used cations, all the three used anions, but only two of the five used diiodoperfluoroalkanes. As the change of the diiodoperfluoroalkane, the cation, or the anion has a different relative effect on the metrics and bondings of the self-assembled systems, it can be generalized that bonding, namely energetic, features play here a less influential role than metric features in determining the topology of the prepared tetra-component cocrystals. This conclusion may hold true for other multi-component systems and may function as a general heuristic principle when pursuing the preparation of multi-component systems having the same topology but different composition.
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Affiliation(s)
- Vijith Kumar
- Laboratory of Nanostructured Fluorinated Materials (NFMLab) , Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta" , Politecnico di Milano , Via L. Mancinelli 7 , 20131 Milano , Italy .
| | - Tullio Pilati
- Laboratory of Nanostructured Fluorinated Materials (NFMLab) , Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta" , Politecnico di Milano , Via L. Mancinelli 7 , 20131 Milano , Italy .
| | - Giancarlo Terraneo
- Laboratory of Nanostructured Fluorinated Materials (NFMLab) , Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta" , Politecnico di Milano , Via L. Mancinelli 7 , 20131 Milano , Italy .
| | - Franck Meyer
- Laboratory of Nanostructured Fluorinated Materials (NFMLab) , Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta" , Politecnico di Milano , Via L. Mancinelli 7 , 20131 Milano , Italy .
| | - Pierangelo Metrangolo
- Laboratory of Nanostructured Fluorinated Materials (NFMLab) , Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta" , Politecnico di Milano , Via L. Mancinelli 7 , 20131 Milano , Italy .
- VTT-Technical Research Centre of Finland , P. O. Box 1000, FI-02044 VTT , Finland
| | - Giuseppe Resnati
- Laboratory of Nanostructured Fluorinated Materials (NFMLab) , Department of Chemistry, Materials, and Chemical Engineering "Giulio Natta" , Politecnico di Milano , Via L. Mancinelli 7 , 20131 Milano , Italy .
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39
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Maugeri L, Lébl T, Cordes DB, Slawin AMZ, Philp D. Cooperative Binding in a Phosphine Oxide-Based Halogen Bonded Dimer Drives Supramolecular Oligomerization. J Org Chem 2017; 82:1986-1995. [DOI: 10.1021/acs.joc.6b02822] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Leonardo Maugeri
- EaStChem and School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, United Kingdom
| | - Tomáš Lébl
- EaStChem and School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, United Kingdom
| | - David B. Cordes
- EaStChem and School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, United Kingdom
| | - Alexandra M. Z. Slawin
- EaStChem and School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, United Kingdom
| | - Douglas Philp
- EaStChem and School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, United Kingdom
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40
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Gunawardana CA, Desper J, Sinha AS, Ðaković M, Aakeröy CB. Competition and selectivity in supramolecular synthesis: structural landscape around 1-(pyridylmethyl)-2,2′-biimidazoles. Faraday Discuss 2017; 203:371-388. [DOI: 10.1039/c7fd00080d] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three isomeric forms of 1-(pyridylmethyl)-2,2′-biimidazole, A1–A3, have been synthesized and subjected to systematic co-crystallizations with selected hydrogen- and halogen-bond donors in order to explore the impact of electrostatics and geometry on the resulting supramolecular architectures. The solid-state supramolecular behavior of A1–A3 is largely consistent in halogen-bonded co-crystals. Only two types of primary interactions, the N–H⋯N/N⋯H–N homomeric hydrogen-bond interactions responsible for the pairing of biimidazole moieties and the I⋯N(pyridine) halogen bonds responsible for the co-crystal formation and structure extension, are present in these systems. The co-crystallizations with hydrogen-bond donors (carboxylic acids), however, lead to multiple possible structural outcomes because of the presence of the biimidazole–acid N–H⋯OC/N⋯H–O heterosynthon that can compete with biimidazole–biimidazole N–H⋯N/N⋯H–N homosynthon. In addition, the somewhat unpredictable nature of proton transfer makes the hydrogen-bonded co-crystals structurally less consistent than their halogen-bonded counterparts.
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Affiliation(s)
| | - J. Desper
- Department of Chemistry
- Kansas State University
- Manhattan
- USA
| | - A. S. Sinha
- Department of Chemistry
- Kansas State University
- Manhattan
- USA
| | - M. Ðaković
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10000 Zagreb
- Croatia
| | - C. B. Aakeröy
- Department of Chemistry
- Kansas State University
- Manhattan
- USA
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41
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Perrin A, Goodwin MJ, Musa OM, Yufit DS, Steed JW. Boric acid co-crystals in guar gelation. CrystEngComm 2017. [DOI: 10.1039/c7ce01858d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Boric acid/lactam co-crystals have been applied as novel delivery agents for guar cross-linking.
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Affiliation(s)
- Andrea Perrin
- Department of Chemistry
- Durham University
- Durham DH1 3LE
- UK
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42
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Wang Y, Shang H, Li B, Zhang H, Jiang S. Modulating the assembly of N-benzylideneaniline by halogen bonding: crystal, cocrystal and liquid crystals. CrystEngComm 2017. [DOI: 10.1039/c7ce00805h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A halogen bond donor–acceptor N-benzylideneaniline self-assembles into an unusual head-to-head chain and a fishbone-like array by C–I⋯π and π⋯π interactions. Furthermore, it forms halogen-bonded cocrystal and liquid crystals with 4,4′-bipyridine or 4-alkoxystilbazole.
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Affiliation(s)
- Yufei Wang
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Hongxing Shang
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Bao Li
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Houyu Zhang
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Shimei Jiang
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
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43
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Aakeröy CB, Welideniya D, Desper J. Ethynyl hydrogen bonds and iodoethynyl halogen bonds: a case of synthon mimicry. CrystEngComm 2017. [DOI: 10.1039/c6ce02201d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The common electrostatic features of ethynyl and iodoethynyl hydrogen- and halogen-bond donors, respectively, lead to synthon mimicry which can be employed in synthetic crystal engineering for the construction of identical supramolecular assemblies in the solid-state.
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Affiliation(s)
| | | | - John Desper
- Department of Chemistry
- Kansas State University
- Manhattan
- USA
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44
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Novikov AS, Ivanov DM, Avdontceva MS, Kukushkin VY. Diiodomethane as a halogen bond donor toward metal-bound halides. CrystEngComm 2017. [DOI: 10.1039/c7ce00346c] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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45
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Puttreddy R, Jurček O, Bhowmik S, Mäkelä T, Rissanen K. Very strong (-)N-X(+)(-)O-N(+) halogen bonds. Chem Commun (Camb) 2016; 52:2338-41. [PMID: 26728962 DOI: 10.1039/c5cc09487a] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new (-)N-X(+)(-)O-N(+) paradigm for halogen bonding is established by using an oxygen atom as an unusual halogen bond acceptor. The strategy yielded extremely strong halogen bonded complexes with very high association constants characterized in either CDCl3 or acetone-d6 solution by (1)H NMR titrations and in the solid-state by single crystal X-ray analysis. The obtained halogen bond interactions, RXB, in the solid-state are found to be in the order of strong hydrogen bonds, viz. RXB ≈ RHB.
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Affiliation(s)
- Rakesh Puttreddy
- University of Jyvaskyla, Department of Chemistry, Nanoscience Center, P.O. Box. 35, FI-40014 University of Jyvaskyla, Finland.
| | - Ondřej Jurček
- University of Jyvaskyla, Department of Chemistry, Nanoscience Center, P.O. Box. 35, FI-40014 University of Jyvaskyla, Finland.
| | - Sandip Bhowmik
- University of Jyvaskyla, Department of Chemistry, Nanoscience Center, P.O. Box. 35, FI-40014 University of Jyvaskyla, Finland.
| | - Toni Mäkelä
- University of Jyvaskyla, Department of Chemistry, Nanoscience Center, P.O. Box. 35, FI-40014 University of Jyvaskyla, Finland.
| | - Kari Rissanen
- University of Jyvaskyla, Department of Chemistry, Nanoscience Center, P.O. Box. 35, FI-40014 University of Jyvaskyla, Finland.
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46
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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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47
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Puttreddy R, Beyeh NK, Rissanen K. Inclusion complexes of Cethyl-2-methylresorcinarene and pyridine N-oxides: breaking the C–I⋯−O–N+ halogen bond by host–guest complexation. CrystEngComm 2016. [DOI: 10.1039/c5ce02354h] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cethyl-2-Methylresorcinarene and aromatic N-oxides manifest host–guest chemistry by C–H⋯π interactions and halogen bonding; the C–I⋯−O–N+ halogen bond with 2-iodopyridine N-oxide is broken by the in-cavity C–I⋯π interactions.
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Affiliation(s)
- Rakesh Puttreddy
- Department of Chemistry
- University of Jyvaskyla
- Nanoscience Center
- , Finland
| | - Ngong Kodiah Beyeh
- Department of Chemistry
- University of Jyvaskyla
- Nanoscience Center
- , Finland
- Department of Applied Physics
| | - Kari Rissanen
- Department of Chemistry
- University of Jyvaskyla
- Nanoscience Center
- , Finland
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48
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Izutsu KI, Koide T, Takata N, Ikeda Y, Ono M, Inoue M, Fukami T, Yonemochi E. Characterization and Quality Control of Pharmaceutical Cocrystals. Chem Pharm Bull (Tokyo) 2016; 64:1421-1430. [DOI: 10.1248/cpb.c16-00233] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | - Tatsuo Koide
- Division of Drugs, National Institute of Health Sciences
| | | | - Yukihiro Ikeda
- Analytical Development Laboratories, CMC Center, Takeda Pharmaceutical Co., Ltd
| | - Makoto Ono
- Analytical & Quality Evaluation Research Laboratories, Daiichi-Sankyo Co., Ltd
| | - Motoki Inoue
- Department of Molecular Pharmaceutics, Meiji Pharmaceutical University
| | - Toshiro Fukami
- Department of Molecular Pharmaceutics, Meiji Pharmaceutical University
| | - Etsuo Yonemochi
- School of Pharmacy and Pharmaceutical Sciences, Hoshi University
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49
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Brisdon AK, Muneer AMT, Pritchard RG. Halogen-bonded adduct of 1,2-dibromo-1,1,2,2-tetrafluoroethane and 1,4-diazabicyclo[2.2.2]octane. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2015; 71:900-2. [PMID: 26422219 DOI: 10.1107/s2053229615016472] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 09/03/2015] [Indexed: 11/10/2022]
Abstract
Halogen bonding is an intermolecular interaction capable of being used to direct extended structures. Typical halogen-bonding systems involve a noncovalent interaction between a Lewis base, such as an amine, as an acceptor and a halogen atom of a halofluorocarbon as a donor. Vapour-phase diffusion of 1,4-diazabicyclo[2.2.2]octane (DABCO) with 1,2-dibromotetrafluoroethane results in crystals of the 1:1 adduct, C2Br2F4·C6H12N2, which crystallizes as an infinite one-dimensional polymeric structure linked by intermolecular N...Br halogen bonds [2.829 (3) Å], which are 0.57 Å shorter than the sum of the van der Waals radii.
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Affiliation(s)
- Alan K Brisdon
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, England
| | - Abeer M T Muneer
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, England
| | - Robin G Pritchard
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, England
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50
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Aakeröy C. Is there any point in making co-crystals? ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS 2015. [DOI: 10.1107/s2052520615010872] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Many aspects of co-crystals, including their synthesis, characterization and possible applications, are receiving considerable attention from academia and industry alike. The question is, can this interdisciplinary activity be translated into new fundamental insight and new solid forms of high-value materials with improved performances.
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