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McAdam CJ, Simpson J. Synthesis, crystal structure and Hirshfeld surface analysis of 1-ferrocenylundecane-1,11-diol. Acta Crystallogr E Crystallogr Commun 2022; 78:149-153. [PMID: 35145741 PMCID: PMC8819429 DOI: 10.1107/s205698902101358x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 12/23/2021] [Indexed: 11/16/2022]
Abstract
The racemic title compound, [Fe(C5H5)(C16H27O2)], comprises an α,ω-diol-substituted undecyl chain with a ferrocenyl substituent at at one terminus. The alkane chain is inclined to the substituted ring of the ferrocene grouping by 84.22 (13)°. The ferrocene rings are almost eclipsed and parallel. The crystal structure features O-H⋯O and C-H⋯O hydrogen bonds and C-H⋯π contacts that stack the mol-ecules along the c-axis direction. A Hirshfeld surface analysis reveals that H⋯H inter-actions (83.2%) dominate the surface contacts.
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Affiliation(s)
- C. John McAdam
- Department of Chemistry, University of Otago, PO Box 56, Dunedin, New Zealand
| | - Jim Simpson
- Department of Chemistry, University of Otago, PO Box 56, Dunedin, New Zealand
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2
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Palanisamy V, Sanphui P, Prakash M, Chernyshev V. Multicomponent solid forms of the uric acid reabsorption inhibitor lesinurad and cocrystal polymorphs with urea: DFT simulation and solubility study. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2019; 75:1102-1117. [PMID: 31380793 DOI: 10.1107/s2053229619008829] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Accepted: 06/20/2019] [Indexed: 11/11/2022]
Abstract
Lesinurad (systematic name: 2-{[5-bromo-4-(4-cyclopropylnaphthalen-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetic acid, C17H14BrN3O2S) is a selective uric acid reabsorption inhibitor related to gout, which exhibits poor aqueous solubility. High-throughput solid-form screening was performed to screen for new solid forms with improved pharmaceutically relevant properties. During polymorph screening, we obtained two solvates with methanol (CH3OH) and ethanol (C2H5OH). Binary systems with caffeine (systematic name: 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione, C8H10N4O2) and nicotinamide (C6H6N2O), polymorphs with urea (CH4N2O) and eutectics with similar drugs, like allopurinol and febuxostat, were prepared using the crystal engineering approach. All these novel solid forms were confirmed by XRD, DSC and FT-IR. The crystal structures were solved by single-crystal and powder X-ray diffraction. The crystal structures indicate that the lesinurad molecule is highly flexible and the triazole moiety, along with the rotatable thioacetic acid (side chain) and cyclopropane ring, is almost perpendicular to the planar naphthalene moiety. The carboxylic acid-triazole heterosynthon in the drug is interrupted by the presence of methanol and ethanol molecules in their crystal structures and forms intermolecular macrocyclic rings. The caffeine cocrystal maintains the consistency of the acid-triazole heterosynthons as in the drug and, in addition, they are bound by several auxiliary interactions. In the binary system of nicotinamide and urea, the acid-triazole heterosynthon is replaced by an acid-amide synthon. Among the urea cocrystal polymorphs, Form I (P-1, 1:1) consists of an acid-amide (urea) heterodimer, whereas in Form II (P21/c, 2:2), both acid-amide heterosynthons and urea-urea dimers co-exist. Density functional theory (DFT) calculations further support the experimentally observed synthon hierarchies in the cocrystals. Aqueous solubility experiments of lesinurad and its binary solids in pH 5 acetate buffer medium indicate the apparent solubility order lesinurad-urea Form I (43-fold) > lesinurad-caffeine (20-fold) > lesinurad-allopurinol (12-fold) ≃ lesinurad-nicotinamide (11-fold) > lesinurad, and this order is correlated with the crystal structures.
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Affiliation(s)
- Vasanthi Palanisamy
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603 203, India
| | - Palash Sanphui
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603 203, India
| | - Muthuramalingam Prakash
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur 603 203, India
| | - Vladimir Chernyshev
- Department of Chemistry, M. V. Lomonosov Moscow State University, 1-3 Leninskie Gory, Moscow 119991, Russian Federation
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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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Harris KDM, Hughes CE, Williams PA, Edwards-Gau GR. `NMR Crystallization': in-situ NMR techniques for time-resolved monitoring of crystallization processes. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2017; 73:137-148. [PMID: 28257007 DOI: 10.1107/s2053229616019811] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 12/12/2016] [Indexed: 11/10/2022]
Abstract
Solid-state NMR spectroscopy is a well-established and versatile technique for studying the structural and dynamic properties of solids, and there is considerable potential to exploit the power and versatility of solid-state NMR for in-situ studies of chemical processes. However, a number of technical challenges are associated with adapting this technique for in-situ studies, depending on the process of interest. Recently, an in-situ solid-state NMR strategy for monitoring the evolution of crystallization processes has been developed and has proven to be a promising approach for identifying the sequence of distinct solid forms present as a function of time during crystallization from solution, and for the discovery of new polymorphs. The latest development of this technique, called `CLASSIC' NMR, allows the simultaneous measurement of both liquid-state and solid-state NMR spectra as a function of time, thus yielding complementary information on the evolution of both the liquid phase and the solid phase during crystallization from solution. This article gives an overview of the range of NMR strategies that are currently available for in-situ studies of crystallization processes, with examples of applications that highlight the potential of these strategies to deepen our understanding of crystallization phenomena.
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Affiliation(s)
- Kenneth D M Harris
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, Wales
| | - Colan E Hughes
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, Wales
| | - P Andrew Williams
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, Wales
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Sribalan R, Sangili A, Banuppriya G, Padmini V. An efficient synthesis of nitrile, tetrazole and urea from carbonyl compounds. NEW J CHEM 2017. [DOI: 10.1039/c6nj03860c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Mustafa SFZ, Maarof H, Ahmed R, Abdallah HH. Diffusional behavior and guest conformational analysis of hexadecane-1,16-diol and hexadecane in urea crystal model via molecular dynamics simulation approach. J Mol Model 2016; 22:290. [PMID: 27866329 DOI: 10.1007/s00894-016-3152-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 10/13/2016] [Indexed: 11/24/2022]
Abstract
Diffusion at the atomic or molecular level is a source of many physical, chemical, and biological processes taking place in plentiful materials. This work is an endeavor toward investigating the diffusional behavior of two different type of guests, hexadecane-1,16-diol and hexadecane enclathration in urea tunnel architecture, whereby the correlation of the diffusion mechanism with the guest's structural and conformational properties is explored. To carry out this study, molecular dynamics simulation approach is adopted. It is found that hexadecane-1,16-diol exhibit slower diffusion with an average diffusion coefficient value [Formula: see text], where hexadecane diffuse more rapidly with an average diffusion coefficient value [Formula: see text]. It is also observed that the structural properties influence the guest's travel distance and torsion angle distribution of the trans and gauche conformational proportion. Furthermore, the observed high energy barrier accounted for hexadecane-1,16-diol and low energy barrier for hexadecane along urea tunnel systems was analyzed. The comparison of our obtained results are in close agreement with the available experimental measurements, i.e., gauche proportion properties between two different guest molecules correlate well with Raman spectroscopy investigation on α,ω-dihalogenoalkane/urea inclusion compounds. Our calculations also successfully endorse the structure-property relation between the two systems.
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Affiliation(s)
- Siti Fatimah Zaharah Mustafa
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), 81310, Johor Bahru, Johor, Malaysia
| | - Hasmerya Maarof
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia (UTM), 81310, Johor Bahru, Johor, Malaysia.
| | - Rashid Ahmed
- Department of Physics, Faculty of Science, Universiti Teknologi Malaysia (UTM), Johor Bahru, Johor, Malaysia
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Mustafa SFZ, Maarof H, Naser MA, Abdallah HH, Irfan A, Ahmed R. Behavioral pattern exploration of single guest, hexadecane-1,16-diol and hexadecane in urea inclusion compounds via molecular dynamics simulation. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2016. [DOI: 10.1142/s0219633616500474] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The urea inclusion compounds, a unique polar organic crystalline complex, are considered as a potential candidate for a molecular separator of long chain alkane molecule. A well-defined structure of the crystalline channel systems constructed from hydrogen bonding arrangement of the urea molecules, can be used to understand the fundamental aspects of the processes involving ions or molecules transportation. To do so, in our work, molecular dynamics approach is implemented to understand the behavioral pattern of the hexadecane-1,16-diol and hexadecane guests’ related to translational and rotational orientation along the urea tunnel. Our obtained results reveal that high interaction of hexadecane-1,16-diol with urea host molecules offers a restricted environment inside urea tunnel, resulting in slowing down the guest movement. Hexadecane guest system, on the contrary, exhibits lower interaction whereby the translational and rotational movement is faster. Moreover, as the distance increases (along [Formula: see text]-axis) in the urea tunnel, both guest systems favor a clockwise rotational orientation. Preference of the respected orientation indicates the influence of chiral urea tunnel on achiral guests that is clathrate inside the tunnel structure.
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Affiliation(s)
- Siti Fatimah Zaharah Mustafa
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
| | - Hasmerya Maarof
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
| | - Mohammed Abu Naser
- Faculty of Biosciences & Medical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
| | - Hassan H. Abdallah
- Chemistry Department, College of Education, Salahaddin University, Erbil, Iraq
| | - Ahmad Irfan
- Department of Chemistry, King Khalid University, Abha 61413, P.O. Box 9004, Saudi Arabia
| | - Rashid Ahmed
- Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
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Przybyłek M, Ziółkowska D, Mroczyńska K, Cysewski P. Propensity of salicylamide and ethenzamide cocrystallization with aromatic carboxylic acids. Eur J Pharm Sci 2016; 85:132-40. [DOI: 10.1016/j.ejps.2016.02.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 02/13/2016] [Accepted: 02/15/2016] [Indexed: 11/26/2022]
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Harris KDM, Hughes CE, Williams PA. Monitoring the evolution of crystallization processes by in-situ solid-state NMR spectroscopy. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2015; 65:107-113. [PMID: 25542671 DOI: 10.1016/j.ssnmr.2014.11.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 11/26/2014] [Accepted: 11/26/2014] [Indexed: 06/04/2023]
Abstract
Crystallization processes play a crucial role in many aspects of biological and physical sciences. Progress in deepening our fundamental understanding of such processes relies, to a large extent, on the development and application of new experimental strategies that allow direct in-situ monitoring of the process. In this paper, we give an overview of an in-situ solid-state NMR strategy that we have developed in recent years for monitoring the time-evolution of different polymorphic forms (or other solid forms) that arise as the function of time during crystallization from solution. The background to the strategy is described and several examples of the application of the technique are highlighted, focusing on both the evolution of different polymorphs during crystallization and the discovery of new polymorphs.
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Affiliation(s)
- Kenneth D M Harris
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, Wales, UK.
| | - Colan E Hughes
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, Wales, UK
| | - P Andrew Williams
- School of Chemistry, Cardiff University, Park Place, Cardiff CF10 3AT, Wales, UK
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Hughes CE, Williams PA, Keast VL, Charalampopoulos VG, Edwards-Gau GR, Harris KDM. New in situ solid-state NMR techniques for probing the evolution of crystallization processes: pre-nucleation, nucleation and growth. Faraday Discuss 2015; 179:115-40. [DOI: 10.1039/c4fd00215f] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The application of in situ techniques for investigating crystallization processes promises to yield significant new insights into fundamental aspects of crystallization science. With this motivation, we recently developed a new in situ solid-state NMR technique that exploits the ability of NMR to selectively detect the solid phase in heterogeneous solid–liquid systems (of the type that exist during crystallization from solution), with the liquid phase “invisible” to the measurement. As a consequence, the technique allows the first solid particles produced during crystallization to be observed and identified, and allows the evolution of different solid phases (e.g., polymorphs) present during the crystallization process to be monitored as a function of time. This in situ solid-state NMR strategy has been demonstrated to be a powerful approach for establishing the sequence of solid phases produced during crystallization and for the discovery of new polymorphs. The most recent advance of the in situ NMR methodology has been the development of a strategy (named “CLASSIC NMR”) that allows both solid-state NMR and liquid-state NMR spectra to be measured (essentially simultaneously) during the crystallization process, yielding information on the complementary changes that occur in both the solid and liquid phases as a function of time. In this article, we present new results that highlight the application of our in situ NMR techniques to successfully unravel different aspects of crystallization processes, focusing on: (i) the application of a CLASSIC NMR approach to monitor competitive inclusion processes in solid urea inclusion compounds, (ii) exploiting liquid-state NMR to gain insights into co-crystal formation between benzoic acid and pentafluorobenzoic acid, and (iii) applications of in situ solid-state NMR for the discovery of new solid forms of trimethylphosphine oxide and l-phenylalanine. Finally, the article discusses a number of important fundamental issues relating to practical aspects, the interpretation of results and the future scope of these techniques, including: (i) an assessment of the smallest size of solid particle that can be detected in in situ solid-state NMR studies of crystallization, (ii) an appraisal of whether the rapid sample spinning required by the NMR measurement technique may actually influence or perturb the crystallization behaviour, and (iii) a discussion of factors that influence the sensitivity and time-resolution of in situ solid-state NMR experiments.
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11
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Guan HY, Wang Z, Famulari A, Wang X, Guo F, Martí-Rujas J. Synthesis of Chelating Complexes through Solid-State Dehydrochlorination Reactions via Second-Sphere-Coordination Interaction with Metal Chlorides: A Combined Experimental–Molecular Modeling Study. Inorg Chem 2014; 53:7438-45. [DOI: 10.1021/ic5007583] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hong-yu Guan
- College
of Chemistry, Liaoning University, Shenyang 110036, China
| | - Zhen Wang
- College
of Chemistry, Liaoning University, Shenyang 110036, China
| | - Antonino Famulari
- Dipartimento
di Chimica Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, Via L. Mancinelli 7, 20131 Milan, Italy
| | - Xu Wang
- College
of Chemistry, Liaoning University, Shenyang 110036, China
| | - Fang Guo
- College
of Chemistry, Liaoning University, Shenyang 110036, China
| | - Javier Martí-Rujas
- Center
for Nano Science and Technology, Istituto Italiano di Tecnologia (ITT@Polimi), Via Pascoli 70/3, 20133 Milano, Italy
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12
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Aitipamula S, Chow PS, Tan RBH. Polymorphism in cocrystals: a review and assessment of its significance. CrystEngComm 2014. [DOI: 10.1039/c3ce42008f] [Citation(s) in RCA: 212] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Guo F, Zhang MQ, Famulari A, Martí-Rujas J. Solid state transformations in stoichiometric hydrogen bonded molecular salts: ionic interconversion and dehydration processes. CrystEngComm 2013. [DOI: 10.1039/c3ce40614h] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Hughes CE, Williams PA, Peskett TR, Harris KDM. Exploiting In Situ Solid-State NMR for the Discovery of New Polymorphs during Crystallization Processes. J Phys Chem Lett 2012; 3:3176-3181. [PMID: 26296025 DOI: 10.1021/jz301252u] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We report the discovery of new polymorphic forms of solids by exploiting a solid-state NMR technique that has been developed for in situ monitoring of the evolution of crystallization processes. The capability of the technique to reveal the existence of new polymorphic forms of molecular solids is illustrated by the discovery of two new polymorphs of methyldiphenylphosphine oxide and a new solid form of the 1,10-dihydroxydecane/urea system.
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Affiliation(s)
- Colan E Hughes
- School of Chemistry, Cardiff University, Park Place, Cardiff, CF10 3AT, Wales, U.K
| | - P Andrew Williams
- School of Chemistry, Cardiff University, Park Place, Cardiff, CF10 3AT, Wales, U.K
| | - Thomas R Peskett
- School of Chemistry, Cardiff University, Park Place, Cardiff, CF10 3AT, Wales, U.K
| | - Kenneth D M Harris
- School of Chemistry, Cardiff University, Park Place, Cardiff, CF10 3AT, Wales, U.K
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Lemmerer A, Fernandes MA. Adventures in co-crystal land: high Z′, stoichiometric variations, polymorphism and phase transitions in the co-crystals of four liquid and solid cyclic carboxylic acids with the supramolecular reagent isonicotinamide. NEW J CHEM 2012. [DOI: 10.1039/c2nj40186j] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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16
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Chiya TJ, Lemmerer A. Stoichiometric variation in two molecular salts of the anti-tuberculosis drug isoniazid with 2-butynoic acid. CrystEngComm 2012. [DOI: 10.1039/c2ce25101a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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