We have synthesized the pyrazole-bearing Schiff base derivatives () and () then the structural confirmation was supported by various spectral analyses. The antibacterial activity of all analogs was screened against bacterial strains , , , , and . In comparison to the reference drug ciprofloxacin, the lead analogs and showed potent activity, with MIC values of 64 µg/mL against and . Compound showed a moderate effect with a MIC value of 128 µg/mL against , and , while compound was against and Furthermore, the compounds and displayed groove binding mode towards CT-DNA by absorption, emission, competitive fluorescence studies using EtBr, CD and time-resolved fluorescence studies. Thermodynamic parameters of analogs and with CT-DNA were also calculated at 298, 303 and 308K temperatures by UV-visible spectroscopy. The molecular docking studies give the docking score for all compounds with PDB codes: 1BNA and 2XCT. The MD simulation study of analogs and was also carried out. The pharmacokinetic and ADME properties were calculated for all of the synthesized analogs () and ().Communicated by Ramaswamy H. Sarma.
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http://dx.doi.org/10.1080/07391102.2023.2179541 | DOI Listing |
Chem Asian J
January 2025
University of Kalyani, Chemistry, Kalyani, 741235, Kalyani, INDIA.
Herein, we report the synthesis of copillar[5]arene-based pyrene Schiff base 1 and its characterization by using 1H, 13C NMR, FT-IR and mass spectrometry. UV-vis absorption, steady-state fluorescence and time-resolved fluorescence are done to elucidate the photophysical behaviors of 1. To understand the electronic structure of 1, density functional theory (DFT) calculations are performed.
View Article and Find Full Text PDFACS Nano
January 2025
National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, P. R. China.
Inadequate vascularization significantly hampers wound recovery by limiting nutrient delivery. To address this challenge, we extracted membrane vesicles from (LMVs) and identified their angiogenic potential via transcriptomic analysis. We further developed a composite hydrogel system (Gel-LMVs) by anchoring LMVs within carboxylated chitosan and cross-linking it with oxidized hyaluronic acid through a Schiff base reaction.
View Article and Find Full Text PDFDalton Trans
January 2025
Department of Chemistry, Panskura Banamali College, Panskura RS, WB 721152, India.
The coordination compounds featuring a {CuO} core, typically bridged by hydroxo or alkoxo groups, are particularly intriguing due to their notable magnetic properties and catalytic activity. In this study, we explored the synthesis and characterization of four new Schiff base ligands and their subsequent complexation with Cu salts, which resulted in the formation of three tetranuclear complexes: [Cu(L)]·2HO (1), [Cu(L)(HL)](Cl)(NO)·5HO (2), and [Cu(L)] (3), as well as one dinuclear complex: [Cu(L)] (4). These tetranuclear complexes all feature a {CuO} core, but with differing coordination environments around the Cu centers.
View Article and Find Full Text PDFDalton Trans
January 2025
Departamento de Química Inorgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
The aza-Wittig reaction was successfully applied to the synthesis of carboranyl-imines, which are difficult to obtain by classical methods. A variety of functionalized carboranyl Schiff bases was obtained proving the great scope of the methodology. All compounds were fully characterized, including the solid-state structures of six of them.
View Article and Find Full Text PDFMini Rev Med Chem
January 2025
Department of Chemistry, Abdul Wali Khan University, Mardan, 23200, Pakistan.
Organic compounds containing azines, di-imines, or bis-Schiff-bases have two azomethine (-CH=N-) functional groups associated with a bridging component. These constituents have attracted attention from a diversity of disciplines, comprising coordination, medicinal, agriculture chemistry, and organic synthesis, because of their comprehensive chemical reactivity and nature. This study determines common synthetic approaches and various biological and pharmacological activities of several substituted bis-Schiff byproducts.
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