1
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Mirocki A, Lopresti M, Palin L, Conterosito E, Sikorska E, Sikorski A, Milanesio M. Crystallization from solution versus mechanochemistry to obtain double-drug multicomponent crystals of ethacridine with salicylic/acetylsalicylic acids. Sci Rep 2024; 14:1834. [PMID: 38246926 PMCID: PMC10800331 DOI: 10.1038/s41598-023-49922-4] [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: 09/25/2023] [Accepted: 12/13/2023] [Indexed: 01/23/2024] Open
Abstract
Salicylic and acetylsalicylic acids and ethacridine have complementary bioactive properties. They can be combined to obtain double-drug multicomponent crystals. Their reactivity in different environments was explored to obtain the possible compounds, stable at different hydration degrees. Solution, liquid-assisted grinding, and dry preparation approaches were applied to the couples of reactants in different stoichiometric ratios. Four compounds were obtained, and three out of them were stable and reproducible enough to determine their structures using SCXRD or PXRD methods. When coupled to ethacridine, salicylic acid gave two stable structures (1 and 3, both showing 1:1 ratio but different hydration degree) and a metastable one (5), while acetylsalicylic acid only one structure from solution (2 in 1:1 ratio), while LAG caused hydrolysis and formation of the same compound obtained by LAG of ethacridine with salicylic acid. While solution precipitation gave dihydrated (1) or monohydrated (2) structures with low yields, LAG of salicylic acid and ethacridine allowed obtaining an anhydrous salt complex (3) with a yield close to 1. The structures obtained by solution crystallizations maximize π(acridine)-π(acridine) contacts with a less compact packing, while the LAG structure is more compact with a packing driven by hydrogen bonds. For all compounds, NMR, ATR-FTIR, and Hirshfeld surface analysis and energy framework calculations were performed.
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Affiliation(s)
- Artur Mirocki
- Faculty of Chemistry, University of Gdansk, ul. Wita Stwosza 63, 80-308, Gdansk, Poland
| | - Mattia Lopresti
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Viale T. Michel 11, 15121, Alessandria, Italy
| | - Luca Palin
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Viale T. Michel 11, 15121, Alessandria, Italy
- Nova Res s.r.l., Via D. Bello 3, 28100, Novara, Italy
| | - Eleonora Conterosito
- Dipartimento per lo Sviluppo Sostenibile e la Transizione Ecologica, Università del Piemonte Orientale, Piazza Sant'Eusebio 5, 13100, Vercelli, Italy
| | - Emilia Sikorska
- Faculty of Chemistry, University of Gdansk, ul. Wita Stwosza 63, 80-308, Gdansk, Poland
| | - Artur Sikorski
- Faculty of Chemistry, University of Gdansk, ul. Wita Stwosza 63, 80-308, Gdansk, Poland.
| | - Marco Milanesio
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Viale T. Michel 11, 15121, Alessandria, Italy.
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2
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Nowak P, Sikorski A. Structural diversity of cocrystals formed from acridine and two isomers of hydroxybenzaldehyde: 3-hydroxybenzaldehyde and 4-hydroxybenzaldehyde. RSC Adv 2023; 13:20105-20112. [PMID: 37409037 PMCID: PMC10318855 DOI: 10.1039/d3ra02300a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 06/27/2023] [Indexed: 07/07/2023] Open
Abstract
Cocrystals formed from acridine and two isomers of hydroxybenzaldehyde: 3-hydroxybenzaldehyde (1) and 4-hydroxybenzaldehyde (2) were synthesized and structurally characterized. Single-crystal X-ray diffraction measurements show that compound 1 crystallizes in the triclinic P1̄ space group, whereas compound 2 crystallizes in the monoclinic P21/n space group. In the crystals of title compounds, the molecules interact via O-H⋯N and C-H⋯O hydrogen bonds, and C-H⋯π and π-π interactions. DCS/TG measurements indicate that compound 1 melts at a lower temperature than the separate cocrystal coformers, whereas compound 2 melts at a higher temperature than acridine but at a lower temperature than 4-hydroxybenzaldehyde. The FTIR measurements reveal that the band attributed to the stretching vibrations of the hydroxyl group of hydroxybenzaldehyde disappeared, but several bands appeared in the range of 3000-2000 cm-1.
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Affiliation(s)
- Patryk Nowak
- Faculty of Chemistry, University of Gdansk W. Stwosza 63 80-308 Gdansk Poland
| | - Artur Sikorski
- Faculty of Chemistry, University of Gdansk W. Stwosza 63 80-308 Gdansk Poland
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3
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Mirocki A. Crystal structure of 6,9-diamino-2-ethoxyacridinium 3,5-dinitrobenozate — dimethylsulfoxide — water (1/1/1), C 24H 27N 5O 9S. Z KRIST-NEW CRYST ST 2022. [DOI: 10.1515/ncrs-2022-0174] [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
C24H27N5O9S, triclinic, P
1
‾
$\overline{1}$
(no. 2), a = 7.5749(4) Å, b = 10.0368(5) Å, c = 17.9111(10) Å, α = 87.224(4)°, β = 83.678(4)°, γ = 85.414(4)°, V = 1348.04(12) Å3, Z = 2, R
gt
(F) = 0.0562, wR
ref
(F
2) = 0.1477, T = 295(2) K.
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Affiliation(s)
- Artur Mirocki
- Faculty of Chemistry, University of Gdańsk , Wita Stwosza 63, 80-308 Gdańsk , Poland
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4
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Gallagher JF, Hehir N, Mocilac P, Violin C, O’Connor BF, Aubert E, Espinosa E, Guillot B, Jelsch C. Probing the Electronic Properties and Interaction Landscapes in a Series of N-(Chlorophenyl)pyridinecarboxamides. CRYSTAL GROWTH & DESIGN 2022; 22:3343-3358. [PMID: 35547941 PMCID: PMC9074230 DOI: 10.1021/acs.cgd.2c00153] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/29/2022] [Indexed: 06/15/2023]
Abstract
A 3 × 3 isomer grid of nine N-(chlorophenyl)pyridinecarboxamides (NxxCl) is reported with physicochemical studies and single crystal structures (Nx = pyridinoyl moiety; xCl = aminochlorobenzene ring; x = para-/meta-/ortho-), as synthesized by the reaction of the substituted p-/m-/o-pyridinecarbonyl chlorides (Nx) with p-/m-/o-aminochlorobenzenes (xCl). Several of the nine NxxCl crystal structures display structural similarities with their halogenated NxxX and methylated NxxM relatives (x = p-/m-/o-substitutions; X = F, Br; M = methyl). Indeed, five of the nine NxxCl crystal structures are isomorphous with their NxxBr analogues as the NpmCl/Br, NpoCl/Br, NmoCl/NmoBr, NopCl/Br, and NooCl/Br pairs. In the NxxCl series, the favored hydrogen bonding mode is aggregation by N-H···Npyridine interactions, though amide···amide intermolecular interactions are noted in NpoCl and NmoCl. For the NoxCl triad, intramolecular N-H···Npyridine interactions influence molecular planarity, whereas NppCl·H2O (as a monohydrate) exhibits O-H···O, N-H···O1W, and O1W-H···N interactions as the primary hydrogen bonding. Analysis of chlorine-containing compounds on the CSD is noted for comparisons. The interaction environments are probed using Hirshfeld surface analysis and contact enrichment studies. The melting temperatures (T m) depend on both the lattice energy and molecular symmetry (Carnelley's rule), and the melting points can be well predicted from a linear regression of the two variables. The relationships of the T m values with the total energy, the electrostatic component, and the strongest hydrogen bond components have been analyzed.
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Affiliation(s)
- John F. Gallagher
- School
of Chemical Sciences, Dublin City University, Dublin D09 DXA0, Ireland
| | - Niall Hehir
- School
of Chemical Sciences, Dublin City University, Dublin D09 DXA0, Ireland
| | - Pavle Mocilac
- School
of Chemical Sciences, Dublin City University, Dublin D09 DXA0, Ireland
| | - Chloé Violin
- School
of Chemical Sciences, Dublin City University, Dublin D09 DXA0, Ireland
| | | | - Emmanuel Aubert
- CRM, CNRS UMR 7036, Faculté
des Sciences et Technologies, Université
de Lorraine, BP 70239, Boulevard des Aiguillettes, 54506 Vandoeuvre-lès-Nancy, France
| | - Enrique Espinosa
- CRM, CNRS UMR 7036, Faculté
des Sciences et Technologies, Université
de Lorraine, BP 70239, Boulevard des Aiguillettes, 54506 Vandoeuvre-lès-Nancy, France
| | - Benoît Guillot
- CRM, CNRS UMR 7036, Faculté
des Sciences et Technologies, Université
de Lorraine, BP 70239, Boulevard des Aiguillettes, 54506 Vandoeuvre-lès-Nancy, France
| | - Christian Jelsch
- CRM, CNRS UMR 7036, Faculté
des Sciences et Technologies, Université
de Lorraine, BP 70239, Boulevard des Aiguillettes, 54506 Vandoeuvre-lès-Nancy, France
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5
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Mirocki A, Sikorski A. Structural Characterization of Multicomponent Crystals Formed from Diclofenac and Acridines. MATERIALS 2022; 15:ma15041518. [PMID: 35208056 PMCID: PMC8876612 DOI: 10.3390/ma15041518] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/04/2022] [Accepted: 02/14/2022] [Indexed: 12/28/2022]
Abstract
Multicomponent crystals containing diclofenac and acridine (1) and diclofenac and 6,9-diamino-2-ethoxyacridine (2) were synthesized and structurally characterized. The single-crystal XRD measurements showed that compound 1 crystallizes in the triclinic P-1 space group as a salt cocrystal with one acridinium cation, one diclofenac anion, and one diclofenac molecule in the asymmetric unit, whereas compound 2 crystallizes in the triclinic P-1 space group as an ethanol solvate monohydrate salt with one 6,9-diamino-2-ethoxyacridinium cation, one diclofenac anion, one ethanol molecule, and one water molecule in the asymmetric unit. In the crystals of the title compounds, diclofenac and acridines ions and solvent molecules interact via N–H⋯O, O–H⋯O, and C–H⋯O hydrogen bonds, as well as C–H⋯π and π–π interactions, and form heterotetramer bis[⋯cation⋯anion⋯] (1) or heterohexamer bis[⋯cation⋯ethanol⋯anion⋯] (2). Moreover, in the crystal of compound 1, acridine cations and diclofenac anions interact via N–H⋯O hydrogen bond, C–H⋯π and π–π interactions to produce blocks, while diclofenac molecules interact via C–Cl⋯π interactions to form columns. In the crystal of compound 2, the ethacridine cations interact via C–H⋯π and π–π interactions building blocks, while diclofenac anions interact via π–π interactions to form columns.
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Affiliation(s)
- Artur Mirocki
- Correspondence: (A.M.); (A.S.); Tel.: +48-58-523-5112 (A.M. & A.S.)
| | - Artur Sikorski
- Correspondence: (A.M.); (A.S.); Tel.: +48-58-523-5112 (A.M. & A.S.)
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6
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Bilal A, Mehmood A, Noureen S, Lecomte C, Ahmed M. Crystal engineering of a co-crystal of antipyrine and 2-chlorobenzoic acid: relative energetic contributions based on multipolar refinement. CrystEngComm 2022. [DOI: 10.1039/d2ce01179d] [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
The growth and stability of a new 1 : 1 antipyrene–dichlorobenzoic acid cocrystal system has been analyzed in terms of electron density analysis and electrostatic interaction energy contributions.
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Affiliation(s)
- Aqsa Bilal
- Materials Chemistry Laboratory, Institute of Chemistry, The Islamia University of Bahawalpur, Baghdad-ul-Jadeed Campus, 63100, Pakistan
| | - Arshad Mehmood
- Department of Chemistry and Biochemistry, Texas Christian University, Fort Worth, Texas, 76129, USA
| | - Sajida Noureen
- Materials Chemistry Laboratory, Institute of Chemistry, The Islamia University of Bahawalpur, Baghdad-ul-Jadeed Campus, 63100, Pakistan
| | - Claude Lecomte
- Laboratoire CRM2, UMR CNRS 7036, Université de Lorraine, Boulevard des Aiguillettes BP70239, Vandoeuvre-les-Nancy, 54506, France
- CNRS, Laboratoire CRM2, UMR CNRS 7036, Boulevard des Aiguillettes, BP70239, Vandoeuvre-les-Nancy, 54506, France
| | - Maqsood Ahmed
- Materials Chemistry Laboratory, Institute of Chemistry, The Islamia University of Bahawalpur, Baghdad-ul-Jadeed Campus, 63100, Pakistan
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7
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Marczak M, Biereg K, Zadykowicz B, Sikorski A. Structural characterization and theoretical calculations of the monohydrate of the 1:2 cocrystal salt formed from acriflavine and 3,5-dinitrobenzoic acid. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2021; 77:116-122. [PMID: 33536375 DOI: 10.1107/s2053229621000681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 01/20/2021] [Indexed: 11/10/2022]
Abstract
The synthesis and structural characterization of the monohydrated 1:2 cocrystal salt of acriflavine with 3,5-dinitrobenzoic acid [systematic name: 3,6-diamino-10-methylacridin-10-ium 3,5-dinitrobenzoate-3,5-dinitrobenzoic acid-water (1/1/1), C14H14N3+·C7H3N2O6-·C7H4N2O6·H2O] are reported. Single-crystal X-ray diffraction measurements show that the title solvated monohydrate salt crystalizes in the monoclinic space group P21 with one acriflavine cation, a 3,5-dinitrobenzoate anion, a 3,5-dinitrobenzoic acid molecule and a water molecule in the asymmetric unit. The neutral and anionic forms of 3,5-dinitrobenzoic acid are linked via O-H...O hydrogen bonds to form a monoanionic dimer. Neighbouring monoanionic dimers of 3,5-dinitrobenzoic acid are linked by nitro-nitro N-O...N and nitro-acid N-O...π intermolecular interactions to produce a porous organic framework. The acriflavine cations are linked with carboxylic acid molecules directly via amine-carboxy N-H...O, amine-nitro N-H...O and acriflavine-carboxy C-H...O hydrogen bonds, and carboxy-acriflavine C-O...π, nitro-acriflavine N-O...π and acriflavine-nitro π-π interactions, or through the water molecule by amino-water N-H...O and water-carboxy O-H...O hydrogen bonds, and are located in the voids of the porous organic framework. The intermolecular interactions were studied using the CrystalExplorer program to provide information about the interaction energies and the dispersion, electrostatic, polarization and repulsion contributions to the lattice energy.
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Affiliation(s)
- Maria Marczak
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, Gdańsk 80-308, Poland
| | - Kinga Biereg
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, Gdańsk 80-308, Poland
| | - Beata Zadykowicz
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, Gdańsk 80-308, Poland
| | - Artur Sikorski
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, Gdańsk 80-308, Poland
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8
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The Influence of Solvent on the Crystal Packing of Ethacridinium Phthalate Solvates. MATERIALS 2020; 13:ma13225073. [PMID: 33182832 PMCID: PMC7697871 DOI: 10.3390/ma13225073] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/29/2020] [Accepted: 11/05/2020] [Indexed: 11/16/2022]
Abstract
The synthesis, structural characterization and influence of solvents on the crystal packing of solvated complexes of ethacridine with phthalic acid: 6,9-diamino-2-ethoxyacridinium phthalate methanol solvate (1), 6,9-diamino-2-ethoxyacridinium phthalate ethanol solvate (2), 6,9-diamino-2-ethoxyacridinium phthalate isobutanol solvate (3), and 6,9-diamino-2-ethoxyacridinium phthalate tert-butanol solvate monohydrate (4) are described in this article. Single-crystal XRD measurements revealed that the compounds 1–4 crystallized in the triclinic P-1 space group, and the 6,9-diamino-2-ethoxyacridinium cations, phthalic acid anions and solvent molecules interact via strong N–H···O, O–H···O, C–H···O hydrogen bonds, and C–H···π and π–π interactions to form different types of basic structural motifs, such as: heterotetramer bis[···cation···anion···] in compound 1 and 2, heterohexamer bis[···cation···alcohol···anion···] in compound 3, and heterohexamer bis[···cation···water···anion···] in compound 4. Presence of solvents molecule(s) in the crystals causes different supramolecular synthons to be obtained and thus has an influence on the crystal packing of the compounds analyzed.
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9
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Amsaraj C, Bharathikannan R, Muthuraja P, Rajkumar M. Chlorine directed C–Cl … π and C–H⋯Cl interactions in acridinium 3,5-dichlorosalicylate: Synthesis, X-ray diffraction and theoretical analysis. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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10
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Influence of Halogen Substituent on the Self-Assembly and Crystal Packing of Multicomponent Crystals Formed from Ethacridine and Meta-Halobenzoic Acids. CRYSTALS 2020. [DOI: 10.3390/cryst10020079] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In order to determine the influence of halogen substituent on the self-assembly of the 6,9-diamino-2-ethoxyacridinium cations and 3-halobenzoate anions in the crystals formed from ethacridine and halobenzoic acids, the series of ethacridinium meta-halobenzoates dihydrates: ethacridinium 3-chlorobenzoate dihydrate (1), ethacridinium 3-bromobenzoate dihydrate (2), and ethacridinium 3-iodobenzoate dihydrate (3), were synthesized and structurally characterized. Single-crystal X-ray diffraction measurements showed that the title compounds crystallized in the monoclinic P21/c space group and are isostructural. In the crystals of title compounds, the ions and water molecules interact via N–H⋯O, O–H⋯O and C–H⋯O hydrogen bonds and π–π stacking interactions to produce blocks. The relationship between the distance X⋯O between the halogen atom (X=Cl, Br, I) of meta-halobenzoate anion and the O-atom from the ethoxy group of cation from neighbouring blocks and crystal packing is observed in the crystals of the title compounds.
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11
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Balmohammadi Y, Khavasi HR, Naghavi SS. Existence of untypical halogen-involving interactions in crystal packings: a statistical and first-principles study. CrystEngComm 2020. [DOI: 10.1039/c9ce01885a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
There is a common perception by the scientific community that a halogen-involving interaction forms when the distance between the donor atom and the acceptor atom is less than the sum of their van der Waals (vdW) radii.
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Affiliation(s)
- Yaser Balmohammadi
- Department of Inorganic Chemistry and Catalysis
- Shahid Beheshti University
- Tehran 1983963113
- Iran
| | - Hamid Reza Khavasi
- Department of Inorganic Chemistry and Catalysis
- Shahid Beheshti University
- Tehran 1983963113
- Iran
| | - S. Shahab Naghavi
- Department of Physical and Computational Chemistry
- Shahid Beheshti University
- 1983963113 Tehran
- Iran
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12
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Bieszczad B, Pawlędzio S, Polak K, Antonowicz J, Mieczkowski A, Trzybiński D. Influence of halogen size on the supramolecular and energy landscape of the THF solvates of the halogen derivatives of dianthranilide. CrystEngComm 2020. [DOI: 10.1039/d0ce00525h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The detailed description of the crystal structure of the THF solvates of four halogen derivatives of dianthranilide has been reported.
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Affiliation(s)
- Bartosz Bieszczad
- Institute of Biochemistry and Biophysics
- Polish Academy of Sciences
- 02-106 Warsaw
- Poland
| | - Sylwia Pawlędzio
- Biological and Chemical Research Centre
- University of Warsaw
- 02-089 Warsaw
- Poland
| | - Katarzyna Polak
- Biological and Chemical Research Centre
- University of Warsaw
- 02-089 Warsaw
- Poland
| | - Jerzy Antonowicz
- Faculty of Physics
- Warsaw University of Technology
- 00-662 Warsaw
- Poland
| | - Adam Mieczkowski
- Institute of Biochemistry and Biophysics
- Polish Academy of Sciences
- 02-106 Warsaw
- Poland
| | - Damian Trzybiński
- Biological and Chemical Research Centre
- University of Warsaw
- 02-089 Warsaw
- Poland
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13
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Prajina OK, Muthiah PT, Perdih F. Crystal structures of salts and cocrystal of 1,3,5-triazine derivatives with thiophene carboxylic acid derivatives: an investigation on supramolecular interactions. SN APPLIED SCIENCES 2019. [DOI: 10.1007/s42452-019-1346-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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14
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Abstract
Abstract
C21H15NO4, monoclinic, P21/n (no. 14), a = 7.2223(3) Å, b = 9.1850(4) Å, c = 25.2304(10) Å, β = 92.604(3)°, V = 1671.97(11) Å3, Z = 4, R
gt(F) = 0.0498, wR
ref(F
2) = 0.1205, T = 295(2) K.
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15
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Amombo Noa FM, Jacobs A. Phenylacetic acid co-crystals with acridine, caffeine, isonicotinamide and nicotinamide: Crystal structures, thermal analysis, FTIR spectroscopy and Hirshfeld surface analysis. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.02.066] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Albright E, Cann J, Decken A, Eisler S. Halogen⋯halogen interactions in diiodo-xylenes. CrystEngComm 2017. [DOI: 10.1039/c6ce02339h] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Prajina O, Thomas Muthiah P, Geiger DK. Supra-molecular inter-actions in the 1:2 co-crystal of 4,4'-bipyridine and 3-chloro-thio-phene-2-carb-oxy-lic acid. Acta Crystallogr E Crystallogr Commun 2016; 72:1362-1365. [PMID: 27746918 PMCID: PMC5050753 DOI: 10.1107/s2056989016013724] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 08/26/2016] [Indexed: 12/04/2022]
Abstract
The asymmetric unit of the title compound, 2C5H3ClO2S·C10H8N2, is comprised of a mol-ecule of 3-chloro-thio-phene-2-carb-oxy-lic acid (3TPC) and half of a mol-ecule of 4,4'-bi-pyridine (BPY). A distinctive O-H⋯N-based synthon is present. Cl⋯Cl and π-π stacking inter-actions further stabilize the crystal structure, forming a two-dimensional network parallel to the bc plane.
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Affiliation(s)
- Olakkandiyil Prajina
- School of Chemistry, Bharathidasan University, Tiruchirappalli 620 024, Tamilnadu, India
| | | | - David K. Geiger
- Department of Chemistry, SUNY-College at Geneseo, Geneseo, New York 14454, USA
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18
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Prajina O, Thomas Muthiah P, Perdih F. Supra-molecular inter-actions in a 1:1 co-crystal of acridine and 3-chloro-thio-phene-2-carb-oxy-lic acid. Acta Crystallogr E Crystallogr Commun 2016; 72:659-62. [PMID: 27308013 PMCID: PMC4908530 DOI: 10.1107/s2056989016005685] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 04/06/2016] [Indexed: 11/30/2022]
Abstract
In the title co-crystal, C5H3ClO2S·C13H9N, the components inter-act with each other via an O-H⋯N hydrogen bond. Acridine-acridine stacking, thio-phene-thio-phene stacking and acridine-thio-phene C-H⋯π inter-actions also occur in the crystal.
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Affiliation(s)
- Olakkandiyil Prajina
- School of Chemistry, Bharathidasan University, Tiruchirappalli 620 024, Tamilnadu, India
| | | | - Franc Perdih
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Vecna pot 113, PO Box 537, SI-1000 Ljubljana, Slovenia
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