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Copper(II) and silver(I) complexes with dimethyl 6-(pyrazine-2-yl)pyridine-3,4-dicarboxylate (py-2pz): the influence of the metal ion on the antimicrobial potential of the complex
dc.creator | Andrejević, Tina P. | |
dc.creator | Aleksić, Ivana | |
dc.creator | Kljun, Jakob | |
dc.creator | Počkaj, Marta | |
dc.creator | Zlatar, Matija | |
dc.creator | Vojnović, Sandra | |
dc.creator | Nikodinović-Runić, Jasmina | |
dc.creator | Turel, Iztok | |
dc.creator | Đuran, Miloš | |
dc.creator | Glišić, Biljana | |
dc.date.accessioned | 2023-02-02T10:33:22Z | |
dc.date.available | 2023-02-02T10:33:22Z | |
dc.date.issued | 2023 | |
dc.identifier.issn | 2046-2069 | |
dc.identifier.uri | https://cer.ihtm.bg.ac.rs/handle/123456789/5654 | |
dc.description.abstract | Dimethyl 6-(pyrazine-2-yl)pyridine-3,4-dicarboxylate (py-2pz) was used as a ligand for the synthesis of new copper(II) and silver(I) complexes, [CuCl2(py-2pz)]2 (1), [Cu(CF3SO3)(H2O)(py-2pz)2]CF3SO3·2H2O (2), [Ag(py-2pz)2]PF6 (3) and {[Ag(NO3)(py-2pz)]·0.5H2O}n (4). The complexes were characterized by spectroscopic and electrochemical methods, while their structures were determined by single crystal X-ray diffraction analysis. The X-ray analysis revealed the bidentate coordination mode of py-2pz to the corresponding metal ion via its pyridine and pyrazine nitrogen atoms in all complexes, while in polynuclear complex 4, the heterocyclic pyrazine ring of one py-2pz additionally behaves as a bridging ligand between two Ag(I) ions. DFT calculations were performed to elucidate the structures of the investigated complexes in solution. The antimicrobial potential of the complexes 1–4 was evaluated against two bacterial (Pseudomonas aeruginosa and Staphylococcus aureus) and two Candida (C. albicans and C. parapsilosis) species. Silver(I) complexes 3 and 4 have shown good antibacterial and antifungal properties with minimal inhibitory concentration (MIC) values ranging from 4.9 to 39.0 μM (3.9–31.2 μg mL−1). All complexes inhibited the filamentation of C. albicans and hyphae formation, while silver(I) complexes 3 and 4 had also the ability to inhibit the biofilm formation process of this fungus. The binding affinity of the complexes 1–4 with calf thymus DNA (ct-DNA) and bovine serum albumin (BSA) was studied by fluorescence emission spectroscopy to clarify the mode of their antimicrobial activity. Catechol oxidase biomimetic catalytic activity of copper(II) complexes 1 and 2 was additionally investigated by using 3,5-di-tert-butylcatechol (3,5-DTBC) and o-aminophenol (OAP) as substrates. | |
dc.publisher | Royal Society of Chemistry (RSC) | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200042/RS// | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200122/RS// | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200026/RS// | en |
dc.relation | Slovenian Research Agency (grant P1-0175) | en |
dc.relation | Serbian Academy of Sciences and Arts (project No. F128) | en |
dc.relation | info:eu-repo/grantAgreement/ScienceFundRS/Ideje/7750288/RS// | en |
dc.relation.isreferencedby | https://cer.ihtm.bg.ac.rs/handle/123456789/5674 | |
dc.relation.isreferencedby | https://cer.ihtm.bg.ac.rs/handle/123456789/5669 | |
dc.relation.isreferencedby | https://cer.ihtm.bg.ac.rs/handle/123456789/5670 | |
dc.relation.isreferencedby | https://cer.ihtm.bg.ac.rs/handle/123456789/5671 | |
dc.relation.isreferencedby | https://cer.ihtm.bg.ac.rs/handle/123456789/5672 | |
dc.relation.isreferencedby | https://cer.ihtm.bg.ac.rs/handle/123456789/5673 | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc/4.0/ | |
dc.source | RSC Advances | en |
dc.subject | X-ray diffraction | |
dc.subject | copper(II) | |
dc.subject | silver(I) | |
dc.subject | complexes | |
dc.subject | chelate ligand | |
dc.subject | characterization | |
dc.subject | DFT | |
dc.subject | antimicrobial potential | |
dc.subject | antifungal properties | |
dc.subject | binding affinity | |
dc.subject | catalysis | |
dc.subject | Catechol oxidase | |
dc.subject | o-aminophenol | |
dc.subject | calf thymus DNA | |
dc.subject | bovine serum albumin | |
dc.subject | bioinorganic chemistry | |
dc.subject | coordination chemistry | |
dc.subject | biomimetic | |
dc.title | Copper(II) and silver(I) complexes with dimethyl 6-(pyrazine-2-yl)pyridine-3,4-dicarboxylate (py-2pz): the influence of the metal ion on the antimicrobial potential of the complex | en |
dc.type | article | en |
dc.rights.license | BY-NC | |
dc.rights.holder | The Authors | |
dc.citation.volume | 13 | |
dc.citation.issue | 7 | |
dc.citation.spage | 4376 | |
dc.citation.epage | 4393 | |
dc.citation.rank | M22~ | |
dc.description.other | Supplementary information: [https://cer.ihtm.bg.ac.rs/handle/123456789/5674] | |
dc.description.other | Related crystallographic data (CCDC 2220146): [https://cer.ihtm.bg.ac.rs/handle/123456789/5669] | |
dc.description.other | Related crystallographic data (CCDC 2220147): [https://cer.ihtm.bg.ac.rs/handle/123456789/5670] | |
dc.description.other | Related crystallographic data (CCDC 2220148): [https://cer.ihtm.bg.ac.rs/handle/123456789/5671] | |
dc.description.other | Related crystallographic data (CCDC 2220149): [https://cer.ihtm.bg.ac.rs/handle/123456789/5672] | |
dc.description.other | Related crystallographic data (CCDC 2220150): [https://cer.ihtm.bg.ac.rs/handle/123456789/5673] | |
dc.identifier.pmid | 36744286 | |
dc.identifier.doi | 10.1039/D2RA07401J | |
dc.identifier.fulltext | http://cer.ihtm.bg.ac.rs/bitstream/id/23693/d2ra07401j.pdf | |
dc.identifier.scopus | 2-s2.0-85147703206 | |
dc.identifier.wos | 000924413400001 | |
dc.type.version | publishedVersion |
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