I. K. Mikhailov, Z. N. Gafurov, A. A. Kagilev, A. O. Kantyukov, I. F. Sakhapov, E. M. Zueva, A. A. Zagidullin, O. G. Sinyashin, D. G. Yakhvarov
{"title":"Design of an Asymmetric PCN Pincer Nickel(II) Complex Based on 2,3,4,5-Tetraphenyl-1-monophosphole","authors":"I. K. Mikhailov, Z. N. Gafurov, A. A. Kagilev, A. O. Kantyukov, I. F. Sakhapov, E. M. Zueva, A. A. Zagidullin, O. G. Sinyashin, D. G. Yakhvarov","doi":"10.1134/S1070328425600548","DOIUrl":"10.1134/S1070328425600548","url":null,"abstract":"<p>A new asymmetric PCN pincer ligand, <i>N</i>-ethyl-<i>N</i>-[3-((2,3,4,5-tetraphenyl-1<i>H</i>-phosphol-1-yl)methyl)benzyl]ethanamine, combining different donor groups (amino and phosphole), has been synthesized. The ligand was obtained in four steps with a good overall yield (49%) from commercially available reagents. Based on this ligand, the design of an asymmetric nickel(II) pincer complex was proposed. Quantum chemical calculations of the molecular structure of the complex indicate the formation of weak Ni–P bonds and reveal a weak trans influence of the phosphole group relative to the amino group, which distinguishes this complex from its analogs, PCN complexes based on dialkylphosphines.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 6","pages":"430 - 437"},"PeriodicalIF":1.1,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1070328425600548.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. S. Zaguzin, A. V. Zaitsev, M. A. Bondarenko, N. A. Korobeinikov, I. V. Korol’kov, I. A. Lystsov, I. F. Sakhapov, R. V. Red’kin, E. A. Pilyukova, P. E. Plyusnin, M. N. Sokolov, V. P. Fedin, S. A. Adonin
{"title":"Crystal Structures of Two New Metal-Organic Coordination Polymers Based on Co(II) or Zn(II) and 2,2'-Diiodobiphenyl-4,4'-dicarboxylate","authors":"A. S. Zaguzin, A. V. Zaitsev, M. A. Bondarenko, N. A. Korobeinikov, I. V. Korol’kov, I. A. Lystsov, I. F. Sakhapov, R. V. Red’kin, E. A. Pilyukova, P. E. Plyusnin, M. N. Sokolov, V. P. Fedin, S. A. Adonin","doi":"10.1134/S1070328425600664","DOIUrl":"10.1134/S1070328425600664","url":null,"abstract":"<p>Two new Co(II) and Zn(II) metal-organic coordination polymers with 2,2'-diiodobiphenyl-4,4'-dicarboxylate linkers, [Co<sub>2</sub>(bpdc-I<sub>2</sub>)<sub>2</sub>(bpp)(DMF)]·0.75DMF (<b>I</b>) and [Zn<sub>4</sub>O(bpdc-I<sub>2</sub>)<sub>3</sub>]·7DMF (<b>II</b>), were prepared (bpdc-I<sub>2</sub> is 2,2'-diiodobiphenyl-4,4'-dicarboxylate, bpp is 1,3-bis(4-pyridyl)propane). The structure of the products was established by X-ray diffraction. Compound <b>II</b> has a three-dimensional structure with the calculated accessible volume of 53.2%.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 6","pages":"464 - 471"},"PeriodicalIF":1.1,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. G. Demkin, E. P. Latushko, B. Yu. Savkov, T. S. Sukhikh, S. N. Konchenko
{"title":"New Stannandiamines Containing Photoactive Fragments","authors":"A. G. Demkin, E. P. Latushko, B. Yu. Savkov, T. S. Sukhikh, S. N. Konchenko","doi":"10.1134/S1070328425600585","DOIUrl":"10.1134/S1070328425600585","url":null,"abstract":"<p>Reactions of dibutyltin dichloride with potassium amides KNH-pap, KNH-<sup>4</sup>pbt, and KNH-<sup>2</sup>pbt (pap = 4-(phenylazo)phenyl; <sup>4</sup>pbt = 1,3-benzothiazol-2-yl-4-phenyl; <sup>2</sup>pbt = 1,3-benzothiazol-2-yl-2-phenyl) were studied. It was found that KNH-pap and KNH-<sup>4</sup>pbt yield only the stannandiamines <sup><i>n</i></sup>Bu<sub>2</sub>Sn(NH-pap)<sub>2</sub> (<b>I</b>) and <sup><i>n</i></sup>Bu<sub>2</sub>Sn(NH-<sup>4</sup>pbt)<sub>2</sub> (<b>II</b>), respectively. However, the reaction with KNH-<sup>2</sup>pbt gives an inseparable mixture of the stannandiamine <sup><i>n</i></sup>Bu<sub>2</sub>Sn(NH-<sup>2</sup>pbt)<sub>2</sub> (<b>III</b>) and the cyclodistannadiazane [<sup><i>n</i></sup>Bu<sub>2</sub>Sn(N-<sup>2</sup>pbt)]<sub>2</sub> (<b>IV</b>). The molecular structures of compounds <b>I</b>–<b>IV</b> were determined by single-crystal X-ray diffraction of phases <b>I</b>·0.5C<sub>7</sub>H<sub>8</sub>, <b>II</b>·0.5THF, <b>III</b>, and <b>IV</b> (CCDC nos. 2367378 (<b>I</b>·0.5C<sub>7</sub>H<sub>8</sub>), 2367379 (<b>II</b>·0.5THF), 2367380 (<b>III</b>), and 2367378 (<b>IV</b>)).</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 6","pages":"420 - 429"},"PeriodicalIF":1.1,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. A. Bovkunova, E. S. Bazhina, M. A. Shmelev, N. V. Gogoleva, A. A. Anisimov, S. Yu. Kottsov, K. A. Babeshkin, N. N. Efimov, M. T. Metlin, I. V. Taydakov, L. N. Fetisov, A. E. Svyatogorova, A. A. Zubenko, M. A. Kiskin, I. L. Eremenko
{"title":"New Manganese(II) Coordination Compounds with 4-((1H-Pyrrol-2-yl)methylene-amino)-4H-1,2,4-triazole","authors":"A. A. Bovkunova, E. S. Bazhina, M. A. Shmelev, N. V. Gogoleva, A. A. Anisimov, S. Yu. Kottsov, K. A. Babeshkin, N. N. Efimov, M. T. Metlin, I. V. Taydakov, L. N. Fetisov, A. E. Svyatogorova, A. A. Zubenko, M. A. Kiskin, I. L. Eremenko","doi":"10.1134/S1070328425600500","DOIUrl":"10.1134/S1070328425600500","url":null,"abstract":"<p>The reaction of manganese(II) chloride with the azomethine ligand 4-((1<i>H</i>-pyrrol-2-yl)methylene-amino)-4<i>H</i>-1,2,4-triazole (HPyrtrz) affords crystals of 1D polymeric compound [Mn<sup>II</sup>(HPy-rtrz)(H<sub>2</sub>O)Cl<sub>2</sub>]<sub><i>n</i></sub> (<b>I</b>). The addition of the coligand 1,10-phenanthroline (Phen) to the synthesis of compound <b>I</b> results in the sequential crystallization of two products: 1D polymeric compound [Mn<sup>II</sup>(Phen)Cl<sub>2</sub>]<sub><i>n</i></sub> (<b>II</b>) and mononuclear complex [Mn<sup>II</sup>(Phen)<sub>2</sub>Cl<sub>2</sub>]·HPyrtrz (<b>III</b>). Complex <b>III</b> is isolated as the single product in the reaction of compound <b>I</b> with Phen or in the reaction of the known complex [Mn<sup>II</sup>(Phen)<sub>2</sub>Cl<sub>2</sub>] with HPyrtrz, respectively. The crystal structures of compounds <b>I</b>–<b>III</b> are determined by single-crystal X-ray diffraction (XRD) (CIF files CCDC nos. 2339139 (<b>I</b>), 2344064 (<b>II</b>), and 2339140 (<b>III</b>)). The antimicrobial properties toward bacterial strains <i>E. coli</i> and <i>S. aureus</i> and mold fungus <i>Penicillium italicum</i> Wehmer are studied for compounds <b>I</b> and <b>III</b>. The measurements of the temperature dependence of the magnetic susceptibility show antiferromagnetic exchange interactions between the Mn<sup>2+</sup> ions (<i>J</i> = –2.69 cm<sup>–1</sup>) in compound <b>I</b>. The spectral luminescence studies show that HPyrtrz, <b>I</b>, and <b>III</b> exhibit blue luminescence in the solid phase.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 6","pages":"472 - 487"},"PeriodicalIF":1.1,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. A. Shmelev, D. S. Lebedev, A. S. Chistyakov, Yu. K. Voronina, L. M. Efromeev, A. V. Rogachev, A. A. Sidorov, I. L. Eremenko
{"title":"Influence of the Synthesis and Crystallization Conditions on the Compositions and Structures of Mixed-Carboxylate Europium(III) Benzoate‒Pentafluorobenzoate Complexes","authors":"M. A. Shmelev, D. S. Lebedev, A. S. Chistyakov, Yu. K. Voronina, L. M. Efromeev, A. V. Rogachev, A. A. Sidorov, I. L. Eremenko","doi":"10.1134/S1070328425600214","DOIUrl":"10.1134/S1070328425600214","url":null,"abstract":"<p>The influence of the nature of solvate molecules and N-donor ligands on the structure of the europium benzoate‒pentafluorobenzoate complexes is studied. The reactions of europium benzoate (Bz) and pentafluorobenzoate (Pfb) with 1,10-phenanthroline (Phen) in acetonitrile with toluene, <i>o-</i>xylene, or dichloromethane afford compounds of similar structures: [Eu<sub>2</sub>(Phen)<sub>2</sub>(Pfb)<sub>4</sub>(Bz)<sub>2</sub>]·4C<sub>6</sub>H<sub>5</sub>CH<sub>3</sub> (<b>I</b>), [Eu<sub>2</sub>(Phen)<sub>2</sub>(Pfb)<sub>4</sub>(Bz)<sub>2</sub>]·4С<sub>6</sub>Н<sub>4</sub>(CH<sub>3</sub>)<sub>2</sub> (<b>II</b>), and [Eu<sub>2</sub>(Phen)<sub>2</sub>(Pfb)<sub>4</sub>(Bz)<sub>2</sub>]·2.898CH<sub>2</sub>Cl<sub>2</sub> (<b>III</b>), respectively. The use of quinoline (Quin) allows one to isolate crystals of mixed-carboxylate coordination polymer [Eu(H<sub>2</sub>O)(Pfb)<sub>2</sub>(Bz)]<sub><i>n</i></sub>·2<i>n</i>(Quin) (<b>IV</b>). The synthesized compounds are characterized by X-ray diffraction (XRD), IR spectroscopy, and CHN analysis. Noncovalent interactions are analyzed using Hirshfeld surface analysis.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 6","pages":"500 - 513"},"PeriodicalIF":1.1,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. A. Mikhaylov, T. S. Sukhikh, D. G. Sheven’, E. Kh. Sadykov, M. N. Sokolov, A. S. Berezin, K. A. Tagil’tsev
{"title":"Terephthalate and Isonicotinate N-Oxide Complexes of the {Mo6I8}4+ Cluster","authors":"M. A. Mikhaylov, T. S. Sukhikh, D. G. Sheven’, E. Kh. Sadykov, M. N. Sokolov, A. S. Berezin, K. A. Tagil’tsev","doi":"10.1134/S1070328425600949","DOIUrl":"10.1134/S1070328425600949","url":null,"abstract":"<p>New complexes, (TBA)<sub>2</sub>[Mo<sub>6</sub>I<sub>8</sub>(OOC–C<sub>6</sub>H<sub>4</sub>–COOH)<sub>6</sub>] (<b>I</b>) and (TBA)<sub>2</sub>[Mo<sub>6</sub>I<sub>8</sub>(OOC–C<sub>5</sub>H<sub>4</sub>NO)<sub>6</sub>] (<b>II</b>), were synthesized by the reaction of (TBA)<sub>2</sub>[Mo<sub>6</sub>I<sub>8</sub>(OAc)<sub>6</sub>] with terephthalic acid and isonicotinic <i>N</i>-oxide acid, respectively. The optimized synthesis of complex <b>II</b> involves microwave activation of the reaction mixture at 130°C in a Teflon reactor using an ETHOS UP Milestone microwave system. According to X-ray structural analysis, the molybdenum atoms in the cluster cores of <b>I</b> and <b>II</b> are coordinated by carboxylate ligands in a monodentate fashion. The cluster anions [Mo<sub>6</sub>I<sub>8</sub>(OOC–C<sub>6</sub>H<sub>4</sub>–COOH)<sub>6</sub>]<sup>2–</sup> of complex <b>I</b> are arranged into a three-dimensional framework, and the crystal structure contains solvate molecules. Complexes <b>I</b> and <b>II</b> were characterized by elemental analysis for C, H, and N, IR spectroscopy, electrospray mass spectrometry, and proton nuclear magnetic resonance. The powder samples of <b>I</b> and <b>II</b> exhibit intense phosphorescence with emission maxima at ~680 nm, φ = 15%, τ = 125 µs (<b>I</b>) and φ = 12%, τ = 137 µs (<b>II</b>) (under air at λ<sub>exc</sub> = 440 nm).</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 6","pages":"447 - 454"},"PeriodicalIF":1.1,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. A. Katkova, R. V. Rumyantcev, G. S. Zabrodina, I. G. Fomina, O. B. Bekker, S. Yu. Ketkov, G. K. Fukin, I. L. Eremenko
{"title":"Coordination Polymer Based on Pentacopper Metallamacrocyclic Units Featured by 3-Hydroxy-4-pyridinone Ligands: Synthesis, Structure and Biological Activity","authors":"M. A. Katkova, R. V. Rumyantcev, G. S. Zabrodina, I. G. Fomina, O. B. Bekker, S. Yu. Ketkov, G. K. Fukin, I. L. Eremenko","doi":"10.1134/S1070328425600615","DOIUrl":"10.1134/S1070328425600615","url":null,"abstract":"<p>A novel complex {[Cu<sub>5</sub>(β-alaha)<sub>4</sub>](CuL<sub>2</sub>)(H<sub>2</sub>O)<sub>14</sub>}<sub><i>n</i></sub> (<b>I</b>) was successfully synthesized in the presence of (3-hydroxy-2-methyl-4-oxo-4<i>H</i>-pyridin-1-yl)acetic acid, Cu(Ac)<sub>2</sub>·H<sub>2</sub>O, and β-alaninehydroxamic acid (H<sub>2</sub>β-alaha), with the aim of exploring the potential for binding biologically active ligands of the pyridinone type with the β-alaninehydroximate 12-MC-4 metallacrown fragments. X-ray diffraction and topological studies of the complex <b>I</b> have been carried out. The geometrical characteristics indicate the presence of Cu–O interactions between a metallamacrocyclic cation [Cu<sub>5</sub>(β-alaha)<sub>4</sub>(H<sub>2</sub>O)<sub>4</sub>]<sup>2+</sup> and two adjacent anions [Cu(L)<sub>2</sub>]<sup>2–</sup>. In the study of the experimental−theoretical electron density topology, it is found that the central and two peripheral copper atoms also increase their coordination number to 6 due to additional contacts with anions. This leads to the formation of a 1D coordination polymer. The energy of all cation-anion interactions in the chain was estimated. It has been demonstrated that 1D chains in the crystal are linked together by hydrogen bonds involving solvate water molecules with formation of 3D networks. Complex <b>I</b> exhibited antimycobacterial activity towards <i>Mycolicibacterium smegmatis</i> (<i>M. smegmatis</i>), as a model for <i>Mycobacterium tuberculosis</i> (<i>M. tuberculosis</i>).</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 6","pages":"438 - 446"},"PeriodicalIF":1.1,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145090494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. M. Potylitsyna, K. A. Koshenskova, M. E. Nikiforova, L. S. Razvorotneva, F. M. Dolgushin, O. B. Bekker, A. S. Zaeva, M. A. Kiskin, I. L. Eremenko, I. A. Lutsenko
{"title":"Cationic Complexes of Magnesium with Phenanthroline: Synthesis, Structural Features, and Antibacterial Activity","authors":"S. M. Potylitsyna, K. A. Koshenskova, M. E. Nikiforova, L. S. Razvorotneva, F. M. Dolgushin, O. B. Bekker, A. S. Zaeva, M. A. Kiskin, I. L. Eremenko, I. A. Lutsenko","doi":"10.1134/S107032842560024X","DOIUrl":"10.1134/S107032842560024X","url":null,"abstract":"<p>The reaction of magnesium oxide/magnesium pivalate with aromatic heterocyclic acids (3-indolecarboxylic (HInd); 2-thiophenecarboxylic (HTph)) and 1,10-phenanthroline (Phen) gave cationic complexes [Mg(Phen)(Ind)(H<sub>2</sub>O)<sub>3</sub>]<sup>+</sup>⋅Ind<sup>–</sup>·2Phen·1.5H<sub>2</sub>O (<b>I</b>) and [Mg(Phen)(H<sub>2</sub>O)<sub>4</sub><span>(]_{3}^{{2 + }})</span>·6Tph<sup>–</sup>·2Phen (<b>II</b>). The structures of <b>I</b> and <b>II</b> were established by direct X-ray diffraction analysis (CCDC nos. 2422043 (<b>I</b>) and 2422042 (<b>II</b>)). According to X-ray diffraction data, the central atom in <b>I</b> and <b>II</b> has a distorted octahedral environment {MgN<sub>2</sub>O<sub>4</sub>}, with the magnesium coordination number being six. In the crystal packing of <b>I</b>, stacking interactions between the Phen aromatic rings give rise to parallel stacks held together by hydrogen bonds. The outer-sphere Tph<sup>–</sup> in <b>II</b> form strong hydrogen bonds with the coordinated water molecules, thus forming 1D hydrogen-bonded framework. The antibacterial activity of <b>I</b> and <b>II</b> against a non-pathogenic <i>Mycolicibacterium smegmatis</i> strain and two lactobacillus strains, <i>Lactobacillus brevis</i> and <i>Lactobacillus fermentum</i>, was evaluated. The antiproliferative activity of <b>I</b> was determined against the human ovarian adenocarcinoma (SKOV3), breast adenocarcinoma (MCF7), and glioblastoma (A172) cells.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 5","pages":"311 - 320"},"PeriodicalIF":1.1,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S107032842560024X.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145171161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. K. Matiukhina, E. N. Zorina-Tikhonova, N. V. Gogoleva, L. D. Popov, P. G. Morozov, V. A. Lazarenko, A. A. Zubenko, L. N. Fetisov, A. E. Svyatogorova, M. A. Kiskin, I. L. Eremenko
{"title":"Complexes of Fe(III), Co(III), and Cu(II) with Acylhydrazones Containing a Triphenylphosphonium Fragment: Synthesis, Crystal Structure, and Antibacterial Activity","authors":"A. K. Matiukhina, E. N. Zorina-Tikhonova, N. V. Gogoleva, L. D. Popov, P. G. Morozov, V. A. Lazarenko, A. A. Zubenko, L. N. Fetisov, A. E. Svyatogorova, M. A. Kiskin, I. L. Eremenko","doi":"10.1134/S1070328425600275","DOIUrl":"10.1134/S1070328425600275","url":null,"abstract":"<p>New acylhydrazones based on <i>para</i>- and <i>meta</i>-nitrobenzohydrazides and a substituted salicylaldehyde containing a triphenylphosphonium fragment were synthesized and characterized by spectral methods. A series of new mononuclear coordination compounds of Fe(III), Co(III), and Cu(II) were obtained from these acylhydrazones, and their molecular structures were determined by single-crystal X-ray diffraction. The antibacterial activity of the isolated acylhydrazones and copper(II) complexes against <i>Staphylococcus aureus</i> and <i>Escherichia coli</i> was studied. The transition from the organic compound to the complex was found to markedly enhance the activity against <i>Escherichia coli</i>.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 5","pages":"328 - 339"},"PeriodicalIF":1.1,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145170363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. A. Uvarova, M. A. Shmelev, V. A. Eliseenkova, I. A. Lutsenko, I. L. Eremenko
{"title":"Heterometallic Complex of Europium(III) Trifluoroacetate with Bis(diphenylphosphoryl)ferrocene (DppfO2): Synthesis, Structure, and Thermal Stability","authors":"M. A. Uvarova, M. A. Shmelev, V. A. Eliseenkova, I. A. Lutsenko, I. L. Eremenko","doi":"10.1134/S1070328425600445","DOIUrl":"10.1134/S1070328425600445","url":null,"abstract":"<p>The reaction of aqueous europium(III) trifluoroacetate with bis(diphenylphosphoryl)ferrocene (DppfO<sub>2</sub>) in a tetrahydrofuran–benzene (1 : 1) mixture of solvents affords a new bimetallic complex [Eu<sub>2</sub>(OOCCF<sub>3</sub>)<sub>6</sub>(H<sub>2</sub>O)<sub>2</sub>(DppfO<sub>2</sub>)<sub>2</sub>] (<b>I</b>). The complex is characterized by X-ray diffraction (XRD) analysis (CIF file CCDC no. 2425374), IR spectroscopy, and elemental analysis. According to the XRD results, compound <b>I</b> is a molecular complex in which two europium atoms are linked by the bridging water molecules and trifluoroacetate anions and the terminal DppfO<sub>2</sub> molecules are coordinated via the chelate mode. According to the simultaneous thermal analysis data, the complex is thermally stable up to 200°С, and its decomposition is accompanied by an exothermic effect at 285°С related to the desorption of four trifluoroacetic acid molecules.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":"51 5","pages":"381 - 388"},"PeriodicalIF":1.1,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145171151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}