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Gross IP, Lima AL, Bedogni GR, Sa-Barreto L, Gratieri T, Gelfuso GM, Salomon CJ, Cunha-Filho M. Conformational analysis and spectroscopic properties of antichagasic nifurtimox. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 316:124346. [PMID: 38692105 DOI: 10.1016/j.saa.2024.124346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 03/27/2024] [Accepted: 04/23/2024] [Indexed: 05/03/2024]
Abstract
Considering the health relevance of Chagas' disease, recent research efforts have focused on developing more efficient drug delivery systems containing nifurtimox (NFX). This paper comprehensively investigates NFX through conformational analysis and spectroscopic characterization. Using a conformer-rotamer ensemble sampling tool (CREST-xtb), five distinct conformers of NFX were sampled within a 3.0 kcal mol-1 relative energy window. Subsequently, such structures were used as inputs for geometry optimization by density functional theory (DFT) at B3LYP-def2-TZVP level of theory. Notably, harmonic vibrational frequencies were calculated to establish an in-depth comparison with experimental results and existing literature for the NFX or similar molecules and functional groups, thereby achieving a widely reasoned assignment of the mid-infrared band absorptions for the first time. Moreover, UV-VIS spectra of NFX were obtained in several solvents, enabling the determination of the molar absorptivity coefficient for the two electronic transitions observed for NFX. Among the aprotic solvents, a bathochromic effect was observed in the function of the dielectric constants. Furthermore, a hypochromic effect was observed when the drug was dissolved in protic solvents. These findings offer crucial support for new drug delivery systems containing NFX while demonstrating the potential of spectrophotometric studies in establishing quality control assays for NFX drug products.
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Affiliation(s)
- Idejan P Gross
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, 70.910-900 Brasília, DF, Brazil.
| | - Ana Luiza Lima
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, 70.910-900 Brasília, DF, Brazil
| | - Giselle R Bedogni
- Pharmaceutical Technical Area, Department of Pharmacy, Faculty of Biochemical and Pharmaceutical Sciences, National University of Rosario, Rosario, Argentina; National Council for Scientific and Technical Research, Godoy Cruz, Argentina
| | - Livia Sa-Barreto
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, 70.910-900 Brasília, DF, Brazil
| | - Tais Gratieri
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, 70.910-900 Brasília, DF, Brazil
| | - Guilherme M Gelfuso
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, 70.910-900 Brasília, DF, Brazil
| | - Claudio J Salomon
- Pharmaceutical Technical Area, Department of Pharmacy, Faculty of Biochemical and Pharmaceutical Sciences, National University of Rosario, Rosario, Argentina; National Council for Scientific and Technical Research, Godoy Cruz, Argentina.
| | - Marcílio Cunha-Filho
- Laboratory of Food, Drug, and Cosmetics (LTMAC), School of Health Sciences, University of Brasilia, 70.910-900 Brasília, DF, Brazil
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Liu X, Shang Y, Xu Q, Zhou C, Zhang H, Zhu X. Study on the Melt Memory Effect and Melt Recrystallization Behavior of Crystallizable Biphenylene Poly(arylene ether sulfone ketone). Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xin Liu
- National and Local Joint Engineering Laboratory for Synthesis Technology of High-Performance Polymer, Jilin University, Changchun, 2699 Qianjin Street, Changchun 130012, People’s Republic of China
| | - Yingshuang Shang
- National and Local Joint Engineering Laboratory for Synthesis Technology of High-Performance Polymer, Jilin University, Changchun, 2699 Qianjin Street, Changchun 130012, People’s Republic of China
| | - Qinfei Xu
- National and Local Joint Engineering Laboratory for Synthesis Technology of High-Performance Polymer, Jilin University, Changchun, 2699 Qianjin Street, Changchun 130012, People’s Republic of China
| | - Chenyi Zhou
- National and Local Joint Engineering Laboratory for Synthesis Technology of High-Performance Polymer, Jilin University, Changchun, 2699 Qianjin Street, Changchun 130012, People’s Republic of China
| | - Haibo Zhang
- National and Local Joint Engineering Laboratory for Synthesis Technology of High-Performance Polymer, Jilin University, Changchun, 2699 Qianjin Street, Changchun 130012, People’s Republic of China
| | - Xuanbo Zhu
- National and Local Joint Engineering Laboratory for Synthesis Technology of High-Performance Polymer, Jilin University, Changchun, 2699 Qianjin Street, Changchun 130012, People’s Republic of China
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Wijaya F, Woo S, Lee H, Nugraha AF, Shin D, Bae B. Sulfonated poly(phenylene-co-arylene ether sulfone) multiblock membranes for application in high-performance fuel cells. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.120203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Wu K, Zhang S, Liu Q, Xu P, Zhang J, Wang D, Zhuo L, Jian X. Poly(arylene ether sulfone) containing diphenyl-biphthalazin-dione moieties with excellent thermal resistance. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124653] [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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Lebert N, Gay N, Richaud E. Mechanical and macromolecular changes during thermal degradation of polyphenylsulfone. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2021.109812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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