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- Title
Ruthenium(II) Complex-Based Tetradentate Schiff Bases: Synthesis, Spectroscopic, Antioxidant, and Antibacterial Investigations.
- Authors
Es-Sounni, Bouchra; Harboul, Kaoutar; Mouhib, Ayoub; Alanazi, Ashwag S.; Hefnawy, Mohamed; Bakhouch, Mohamed; Benali, Taoufiq; Hammani, Khalil; Mazoir, Noureddine; El Yazidi, Mohamed; Benharref, Ahmed; Fahim, Mohammed
- Abstract
In this work, we describe the synthesis of novel Ruthenium (II) complex-based salen Schiff bases. The obtained Ruthenium (II) complexes are characterized using usual spectroscopic and spectrometric techniques, viz., IR, UV-Vis, NMR (1H and 13C), powder X-ray diffraction, and HRMS. Further techniques, such as DTA-TGA and elemental analysis, are used to well establish the structure of the obtained complexes. Octahedral geometries are tentatively proposed for the new Ru(II) complexes. The measured molar conductance for the Ruthenium (II) complexes shows their electrolytic nature (4.24–4.44 S/m). The new Ru(II) complexes are evaluated for their antioxidant and antibacterial activities. The DPPH radical scavenging, FRAP, and total antioxidant capacity (TAC) assays show that the obtained complexes are more potent than the used positive control. They also exhibit promising antibacterial responses against pathogen bacteria: [RuH2L3Cl2] exhibits an important inhibition against Bacillus subtilis DSM 6633, with an inhibition zone of 21 ± 1.41 mm with an MIC value of 0.39 mg/mL, and Proteus mirabilis INH, with 16.50 ± 0.70 mm and an MIC value of 0.78 mg/mL, while [RuH2L2Cl2] exerts interesting antibacterial effects versus Bacillus subtilis DSM 6633 (21 ± 1.41 mm) and Proteus mirabilis INH (25.5 ± 0.70 mm) with equal MIC values of 0.97 mg/mL.
- Subjects
RUTHENIUM; OXIDANT status; X-ray powder diffraction; RUTHENIUM compounds; BACILLUS subtilis; SCHIFF bases; ELEMENTAL analysis
- Publication
International Journal of Molecular Sciences, 2024, Vol 25, Issue 14, p7879
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms25147879