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Queiroz LHS, Barros RS, de Sousa FF, Lage MR, Sarraguça MC, Ribeiro PRS. Preparation and Characterization of a Rifampicin Coamorphous Material with Tromethamine Coformer: An Experimental-Theoretical Study. Mol Pharm 2024; 21:1272-1284. [PMID: 38361428 DOI: 10.1021/acs.molpharmaceut.3c00947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Rifampicin (RIF) is an antibiotic used to treat tuberculosis and leprosy. Even though RIF is a market-available drug, it has a low aqueous solubility, hindering its bioavailability. Among the strategies for bioavailability improvement of poorly soluble drugs, coamorphous systems have been revealed as an alternative in the increase of the aqueous solubility of drug systems and at the same time also increasing the amorphous state stability and dissolution rate when compared with the neat drug. In this work, a new coamorphous form from RIF and tromethamine (TRIS) was synthesized by slow evaporation. Structural, electronic, and thermodynamic properties and solvation effects, as well as drug-coformer intermolecular interactions, were studied through density functional theory (DFT) calculations. Powder X-ray diffraction (PXRD) data allowed us to verify the formation of a new coamorphous. In addition, the DFT study indicates a possible intermolecular interaction by hydrogen bonds between the available amino and carbonyl groups of RIF and the hydroxyl and amino groups of TRIS. The theoretical spectra obtained are in good agreement with the experimental data, suggesting the main interactions occurring in the formation of the coamorphous system. PXRD was used to study the physical stability of the coamorphous system under accelerated ICH conditions (40 °C and 75% RH), indicating that the material remained in an amorphous state up to 180 days. The thermogravimetry result of this material showed a good thermal stability up to 153 °C, and differential scanning calorimetry showed that the glass temperature (Tg) was at 70.0 °C. Solubility studies demonstrated an increase in the solubility of RIF by 5.5-fold when compared with its crystalline counterpart. Therefore, this new material presents critical parameters that can be considered in the development of new coamorphous formulations.
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Affiliation(s)
- Luís H S Queiroz
- NUPFARQ, Programa de Pós-Graduação em Ciência dos Materiais (PPGCM), Centro de Ciências de Imperatriz (CCIM), Universidade Federal do Maranhão (UFMA), Imperatriz, Maranhão 65.900-410, Brazil
| | - Ranna S Barros
- NUPFARQ, Programa de Pós-Graduação em Ciência dos Materiais (PPGCM), Centro de Ciências de Imperatriz (CCIM), Universidade Federal do Maranhão (UFMA), Imperatriz, Maranhão 65.900-410, Brazil
| | - Francisco F de Sousa
- Instituto de Ciências Exatas e Naturais, Universidade Federal do Pará (UFPA), Belém, Pará 65.075-110, Brazil
| | - Mateus R Lage
- NUPFARQ, Programa de Pós-Graduação em Ciência dos Materiais (PPGCM), Centro de Ciências de Imperatriz (CCIM), Universidade Federal do Maranhão (UFMA), Imperatriz, Maranhão 65.900-410, Brazil
- Coordenação do Curso de Ciência e Tecnologia, Centro de Ciências de Balsas, Universidade Federal do Maranhão (UFMA), Balsas, Maranhão 65.800-000, Brazil
| | - Mafalda C Sarraguça
- LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, Porto University, Rua de Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal
| | - Paulo R S Ribeiro
- NUPFARQ, Programa de Pós-Graduação em Ciência dos Materiais (PPGCM), Centro de Ciências de Imperatriz (CCIM), Universidade Federal do Maranhão (UFMA), Imperatriz, Maranhão 65.900-410, Brazil
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Gajula R, Guguloth V, Battu S. One-pot synthesis of phenazines from 2-naphthols with 1, 2-diamines and its biological importance and binding studies. J CHEM SCI 2021. [DOI: 10.1007/s12039-021-01907-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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El-Atawy MA, Hegazi AH, Al Khalaf M, Amer A. The structure elucidation of the isomeric mixture of 3-[L-threo-2,3,4-tri -hydroxy-1-(phenyl-hydrazono)butyl] quinoxalin-2(1H)-one in dimethyl sulfoxide solution revisited: experimental and theoretical study. Struct Chem 2020. [DOI: 10.1007/s11224-019-01445-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kaushal T, Srivastava G, Sharma A, Singh Negi A. An insight into medicinal chemistry of anticancer quinoxalines. Bioorg Med Chem 2018; 27:16-35. [PMID: 30502116 DOI: 10.1016/j.bmc.2018.11.021] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 11/06/2018] [Accepted: 11/13/2018] [Indexed: 02/07/2023]
Abstract
Quinoxalines are benzopyrazines containing benzene and pyrazine rings fused together. In the recent past, quinoxalines have attracted Medicinal Chemists considerably for their syntheses and chemistry due to their distinct pharmacological activities. Diverse synthetic protocols have been developed via multicomponent reactions, single pot synthesis and combinatorial approach using efficient catalysts, reagents, and nano-composites etc. Further, the versatility of the quinoxaline core and its reasonable chemical simplicity devise it extremely promising source of bioactive compounds. Therefore, a wide variety of bioactive quinoxalines has been realised as antitumour, antifungal, anti-inflammatory, antimicrobial, and antiviral agents. Already, a few of them are clinical drugs while many more are under various phases of clinical trials. Present review focuses on chemistry and pharmacology (both efficacy and safety) of quinoxalines and also provides some insight in to their structure-activity relationship.
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Affiliation(s)
- Tanu Kaushal
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), P.O. CIMAP, Kukrail Picnic Spot Road, Lucknow 226 015, UP, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
| | - Gaurava Srivastava
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), P.O. CIMAP, Kukrail Picnic Spot Road, Lucknow 226 015, UP, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
| | - Ashok Sharma
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), P.O. CIMAP, Kukrail Picnic Spot Road, Lucknow 226 015, UP, India
| | - Arvind Singh Negi
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), P.O. CIMAP, Kukrail Picnic Spot Road, Lucknow 226 015, UP, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India.
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Vakili M, Sobhkhizi A, Darugar V, Kanaani A, Ajloo D. A first-principles study of aryloxyanthraquinone-based optical molecular switch. Chem Phys Lett 2017. [DOI: 10.1016/j.cplett.2017.08.045] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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A simple synthesis of 3,4-dihydrobenzo[f]quinoxalin-6(2H)-one derivatives substituted in the ring B. Chem Heterocycl Compd (N Y) 2017. [DOI: 10.1007/s10593-017-2092-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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