Russian Journal of Coordination Chemistry最新文献

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Complexes R2Sn(IV)L with Tridentate O,N,O'-Donor Schiff Bases: Photophysical Properties and Biological Activity R2Sn(IV)L 与三叉 O,N,O'-单体席夫碱的配合物:光物理性质和生物活性
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI: 10.1134/S1070328424600293
D. A. Burmistrova, N. P. Pomortseva, K. D. Pashaeva, M. P. Polovinkina, N. R. Al’myasheva, F. M. Dolgushin, E. D. Tselukovskaya, I. V. Anan’ev, O. P. Demidov, A. I. Poddel’skii, N. T. Berberova, I. L. Eremenko, I. V. Smolyaninov
{"title":"Complexes R2Sn(IV)L with Tridentate O,N,O'-Donor Schiff Bases: Photophysical Properties and Biological Activity","authors":"D. A. Burmistrova,&nbsp;N. P. Pomortseva,&nbsp;K. D. Pashaeva,&nbsp;M. P. Polovinkina,&nbsp;N. R. Al’myasheva,&nbsp;F. M. Dolgushin,&nbsp;E. D. Tselukovskaya,&nbsp;I. V. Anan’ev,&nbsp;O. P. Demidov,&nbsp;A. I. Poddel’skii,&nbsp;N. T. Berberova,&nbsp;I. L. Eremenko,&nbsp;I. V. Smolyaninov","doi":"10.1134/S1070328424600293","DOIUrl":"10.1134/S1070328424600293","url":null,"abstract":"<p>New tin(IV) complexes (L<sup>n</sup>)SnR<sub>2</sub> (R = <i>n</i>-Bu (<b>I</b>, <b>II</b>), <i>t-</i>Bu (<b>III</b>–<b>V</b>), and Ph (<b>VI</b>)) with O,N,O'-donor Schiff bases are synthesized. The molecular structures of compounds <b>I</b> and <b>IV</b> in the crystalline state are determined by XRD (CIF files CCDC nos. 2309864 (<b>I</b>) and 2309422 (<b>IV</b>)). The photophysical properties of the complexes are studied in comparison with the previously synthesized compounds containing phenyl or ethyl hydrocarbon groups at the tin atom. All compounds luminesce in chloroform: the emission bands are observed in the range from 580 to 638 nm. Both the groups at the tin atom and nature of the substituents in Schiff bases significantly affect the relative quantum yield. The anti/prooxidant activity of (L<sup>n</sup>)SnR<sub>2</sub> in the reactions with the ABTS (2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid)) radical cation and superoxide radical anion, in the oxidative DNA damage, and during lipid peroxidation in vitro is studied. A weak antibacterial activity against the bacterial strains <i>Staphylococcus aureus</i> ANCC 6538 and <i>E. faecium</i> ATCC 3576 are observed for some compounds. The in vitro antiproliferative properties for a number of the complexes are studied for the HTC-116 and А-549 cancer cell lines. The coordination of the organometallic fragment with the O,N,O'-tridentate ligands is found to induce a pronounced decrease in the cytotoxicity of the complexes.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182694","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}
引用次数: 0
Methylsulfate Complex (Bu4N)2[Мo6I8(O3SOCH3)6]: Synthesis, Structure, Lability of Ligands, and Phosphorescence 硫酸甲酯络合物 (Bu4N)2[Мo6I8(O3SOCH3)6]:合成、结构、配体稳定性和磷光
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI: 10.1134/S1070328424600190
M. A. Mikhaylov, T. S. Sukhikh, D. G. Sheven’, A. S. Berezin, M. N. Sokolov, N. B. Kompan’kov
{"title":"Methylsulfate Complex (Bu4N)2[Мo6I8(O3SOCH3)6]: Synthesis, Structure, Lability of Ligands, and Phosphorescence","authors":"M. A. Mikhaylov,&nbsp;T. S. Sukhikh,&nbsp;D. G. Sheven’,&nbsp;A. S. Berezin,&nbsp;M. N. Sokolov,&nbsp;N. B. Kompan’kov","doi":"10.1134/S1070328424600190","DOIUrl":"10.1134/S1070328424600190","url":null,"abstract":"<p>New methylsulfate complex (Bu<sub>4</sub>N)<sub>2</sub>[Мо<sub>6</sub>I<sub>8</sub>(O<sub>3</sub>SOCH<sub>3</sub>)<sub>6</sub>] (<b>I</b>) is synthesized by the reaction of (Bu<sub>4</sub>N)<sub>2</sub>[Mo<sub>6</sub>I<sub>8</sub>(C≡C–C(O)OCH<sub>3</sub>)<sub>6</sub>] with dimethyl sulfate (CH<sub>3</sub>)<sub>2</sub>SO<sub>4</sub>. According to the XRD data, the molybdenum atoms are coordinated by the monodentate methylsulfate ligands. In a DMSO solution, the complex undergoes solvolysis accompanied by the complete substitution of the methylsulfate ligands by the solvent molecules. A powder sample of cluster <b>I</b> luminesces (phosphorescence) with the emission maximum at a wavelength of 620 nm (77 K). Increasing temperature to 300 K results in the shift of the emission maximum to 650 nm and a decrease in the integral intensity by 1.6 times.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182706","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}
引用次数: 0
Coordination Compounds of 3d Metals with 2,4-Dimethylpyrazolo[1,5-а]benzimidazole: Magnetic and Biological Properties 3d 金属与 2,4-二甲基吡唑并[1,5-а]苯并咪唑的配位化合物:磁性和生物特性
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI: 10.1134/S1070328424600621
O. G. Shakirova, T. A. Kuz’menko, N. V. Kurat’eva, L. S. Klyushova, A. N. Lavrov, L. G. Lavrenova
{"title":"Coordination Compounds of 3d Metals with 2,4-Dimethylpyrazolo[1,5-а]benzimidazole: Magnetic and Biological Properties","authors":"O. G. Shakirova,&nbsp;T. A. Kuz’menko,&nbsp;N. V. Kurat’eva,&nbsp;L. S. Klyushova,&nbsp;A. N. Lavrov,&nbsp;L. G. Lavrenova","doi":"10.1134/S1070328424600621","DOIUrl":"10.1134/S1070328424600621","url":null,"abstract":"<p>New coordination compounds of copper(I), copper(II), cobalt(II), and nickel(II) with 2,4-dimethylpyrazolo[1,5-а]benzimidazole (L) were synthesized and studied. The complexes [CuLCl] (<b>I</b>), [CuLBr] (<b>II</b>), [CuL<sub>2</sub>Cl<sub>2</sub>] (<b>III</b>), [CuL<sub>2</sub>(NO<sub>3</sub>)<sub>2</sub>]·H<sub>2</sub>O (<b>IV</b>), [CoL<sub>2</sub>Cl<sub>2</sub>]·0.5H<sub>2</sub>O (<b>V</b>), [CoL<sub>2</sub>(NO<sub>3</sub>)<sub>2</sub>]·0.5H<sub>2</sub>O (<b>VI</b>), and [NiL<sub>2</sub>(NO<sub>3</sub>)<sub>2</sub>]·0.5H<sub>2</sub>O (<b>VII</b>) were studied by IR spectroscopy and powder and single crystal X-ray diffraction (CCDC nos. 2321779 ([CuL<sub>2</sub>Cl<sub>2</sub>]), 2321780 ([CoL<sub>2</sub>(NO<sub>3</sub>)<sub>2</sub>])). The results indicate that the coordination polyhedron in 2,4-dimethylpyrazolo[1,5-а]benzimidazole complexes is formed by the nitrogen atoms of the monodentate ligand and the coordinated anion. The cytotoxic and cytostatic properties of L and complexes <b>I</b>–<b>III</b> were studied in relation to the HepG2 hepatocellular carcinoma cells.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182707","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}
引用次数: 0
Crystal Structure of Lanthanide Salts with 2,4-Dichlorophenoxyacetic Acid 镧系元素盐与 2,4-二氯苯氧乙酸的晶体结构
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI: 10.1134/S107032842460030X
M. A. Kiskin, O. V. Konnik, V. F. Shul’gin, A. N. Gusev
{"title":"Crystal Structure of Lanthanide Salts with 2,4-Dichlorophenoxyacetic Acid","authors":"M. A. Kiskin,&nbsp;O. V. Konnik,&nbsp;V. F. Shul’gin,&nbsp;A. N. Gusev","doi":"10.1134/S107032842460030X","DOIUrl":"10.1134/S107032842460030X","url":null,"abstract":"<p>Compounds of three types, [LnL<sub>3</sub>(C<sub>2</sub>H<sub>5</sub>OH)] (Ln = Nd (<b>I</b>), Sm (<b>II</b>), Eu (<b>III</b>)), [LnL<sub>3</sub>(H<sub>2</sub>O)] (Ln = Gd (<b>IV</b>), Tb (<b>V</b>)), and [DyL<sub>2</sub>(NO<sub>3</sub>)(C<sub>2</sub>H<sub>5</sub>OH)<sub>2</sub>] (<b>VI</b>), were obtained by reactions of lanthanide nitrate with NaL (L<sup>–</sup> = 2,4-dichlorophenoxyacetate anion) in ethanol. The composition and structure of complexes <b>I</b>–<b>VI</b> were investigated by elemental and thermogravimetric analysis, IR spectroscopy, and X-ray diffraction (nos. 2311578 (<b>I</b>), 2311579 (<b>II</b>), 2311580 (<b>III</b>), 2311581 (<b>IV</b>), 2311582 (<b>VI</b>)). All compounds have a one-dimensional polymer structure in which metal atoms are connected by bridging carboxylate groups. The π–π interactions and intermolecular contacts between the chains give rise to a three-dimensional supramolecular structure.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182704","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}
引用次数: 0
Pseudopolymeric Thallium(I) Di-iso-pentyl Dithiophosphate, [Tl{S2P(O-iso-С5H11)2}]: Synthesis, Structural Organization (Role of Secondary Tl⋅⋅⋅S and Tl⋅⋅⋅O Interactions in Supramolecular Self-Assembly), and Thermal Behavior 假聚铊(I)二异戊基二硫代磷酸盐[Tl{S2P(O-iso-С5H11)2}]:合成、结构组织(次生 Tl⋅⋅S 和 Tl⋅⋅O 相互作用在超分子自组装中的作用)和热行为
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI: 10.1134/S1070328424600529
O. A. Bredyuk, I. A. Lutsenko, Yu. V. Nelyubina, S. V. Zinchenko, A. V. Ivanov
{"title":"Pseudopolymeric Thallium(I) Di-iso-pentyl Dithiophosphate, [Tl{S2P(O-iso-С5H11)2}]: Synthesis, Structural Organization (Role of Secondary Tl⋅⋅⋅S and Tl⋅⋅⋅O Interactions in Supramolecular Self-Assembly), and Thermal Behavior","authors":"O. A. Bredyuk,&nbsp;I. A. Lutsenko,&nbsp;Yu. V. Nelyubina,&nbsp;S. V. Zinchenko,&nbsp;A. V. Ivanov","doi":"10.1134/S1070328424600529","DOIUrl":"10.1134/S1070328424600529","url":null,"abstract":"<p>Crystalline pseudopolymeric thallium(I) di-<i>iso-</i>pentyl dithiophosphate (Dtph), [Tl{S<sub>2</sub>P(O-<i>iso</i>-С<sub>5</sub>H<sub>11</sub>)<sub>2</sub>}] (<b>I</b>), is synthesized and characterized in detail by single-crystal XRD (CIF file CCDC no. 2296421), simultaneous thermal analysis (STA), multinuclear (<sup>1</sup>H, <sup>13</sup>C, <sup>31</sup>P) NMR, and IR spectroscopy. Nonequivalent molecules of two types containing Tl(1) and Tl(2) atoms (hereinafter molecules <i>А</i> and <i>В</i> , respectively) are involved (1 : 1) in the formation of the structure of compound <b>I</b>. In both molecules, the <i>S</i>,<i>S</i>  ′-anisobidentate coordination of the Dtph ligands (Tl–S bond lengths 3.006–3.092 Å) results in the formation of small-size four-membered metallocycles [TlS<sub>2</sub>P] (a ‘butterfly’ conformation) with significantly averaged P–S bond lengths (1.966–1.985 Å). Molecules <i>A</i> and <i>B</i> are structurally ordered upon the construction of supramolecular chains of two types (⋅⋅⋅<i>A</i>⋅⋅⋅<i>A</i>⋅⋅⋅<i>A</i>⋅⋅⋅)<sub><i>n</i></sub> and (⋅⋅⋅<i>B</i>⋅⋅⋅<i>B</i>⋅⋅⋅<i>B</i>⋅⋅⋅)<sub><i>n</i></sub> with oppositely directed structural units combined by paired secondary Tl⋅⋅⋅S and Tl⋅⋅⋅O interactions alternating over the chain length. In turn, paired secondary (but weaker) Tl⋅⋅⋅S interactions occur between molecules <i>A</i> and <i>B</i> belonging to two neighboring pseudopolymeric chains. The multiplicity of these interactions provides the formation of double supramolecular ribbons. The thermal behavior of compound <b>I</b> is studied by the STA technique under an argon atmosphere. Thallium(I) tetrathiophosphate Tl<sub>3</sub>PS<sub>4</sub> is identified as the only end product of the thermolysis of compound <b>I</b>. Electron probe microanalysis (EPMA) and scanning electron microscopy (SEM) are used to study the residual substance.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182709","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}
引用次数: 0
Synthesis of (η6-Arene)tricarbonylchromium Complexes of 1,3-Benzodioxanes 1,3 苯并二恶烷的 (η6-Arene) 三羰基铬络合物的合成
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI: 10.1134/S1070328424600542
N. Yu. Grishina, E. V. Sazonova, P. S. Ushakova, N. V. Somov, E. A. Medvedeva, A. Yu. Shishkin, A. N. Artemov
{"title":"Synthesis of (η6-Arene)tricarbonylchromium Complexes of 1,3-Benzodioxanes","authors":"N. Yu. Grishina,&nbsp;E. V. Sazonova,&nbsp;P. S. Ushakova,&nbsp;N. V. Somov,&nbsp;E. A. Medvedeva,&nbsp;A. Yu. Shishkin,&nbsp;A. N. Artemov","doi":"10.1134/S1070328424600542","DOIUrl":"10.1134/S1070328424600542","url":null,"abstract":"<p>The reactions of triammino(tricarbonyl)chromium (<b>I</b>) with 1,3-benzodioxane (L<sup>1</sup>), 2-methyl-1,3-benzodioxane (L<sup>2</sup>), and 2-phenyl-1,3-benzodioxane (L<sup>3</sup>) afford new complexes: (η<sup>6</sup>-C<sub>8</sub>H<sub>8</sub>O<sub>2</sub>)Cr(CO)<sub>3</sub> (<b>II</b>), <i>exo</i>- and <i>endo</i>-[2-Me-(η<sup>6</sup>-C<sub>8</sub>H<sub>7</sub>O<sub>2</sub>)]Cr(CO)<sub>3</sub> (<b>III</b>, <b>IV</b>), <i>exo</i>- and <i>endo</i>-[2-Ph-(η<sup>6</sup>-C<sub>8</sub>H<sub>7</sub>O<sub>2</sub>)]Cr(CO)<sub>3</sub> (<b>V</b>, <b>VI</b>), [2-(η<sup>6</sup>-Ph)-C<sub>8</sub>H<sub>7</sub>O<sub>2</sub>]Cr(CO)<sub>3</sub> (<b>VII</b>), and <i>endo</i>-[2-(η<sup>6</sup>-Ph)]Cr(CO)<sub>3</sub>-[η<sup>6</sup>-C<sub>8</sub>H<sub>7</sub>O<sub>2</sub>]Cr(CO)<sub>3</sub> (<b>VIII</b>). The structures, compositions, and purity of the synthesized products are proved by UV, IR, and <sup>1</sup>H NMR spectroscopy, HPLC, and mass spectrometry. The molecular structures of complexes <b>IV</b>–<b>VI</b> are determined by XRD (CIF files CCDC nos. 2263301 (<b>IV</b>), 2295552 (<b>V</b>), and 2237106 (<b>VI</b>)). A possibility of coordination of the tricarbonylchromium group at different sides of the phenylene ring of ligands L<sup>2</sup> and L<sup>3</sup> and on the phenyl substituent of ligand L<sup>3</sup> is shown.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182846","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}
引用次数: 0
2D Coordination Polymers of Zn(II) with Diethylmalonic Acid Dianions and 4,4'-bipyridine: Synthesis and Structure Zn(II) 与二乙基丙二酸滇和 4,4'-联吡啶的二维配位聚合物:合成与结构
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI: 10.1134/S1070328424600128
A. S. Chistyakov, E. N. Zorina-Tikhonova, A. V. Vologzhanina, M. A. Kiskin, I. L. Eremenko
{"title":"2D Coordination Polymers of Zn(II) with Diethylmalonic Acid Dianions and 4,4'-bipyridine: Synthesis and Structure","authors":"A. S. Chistyakov,&nbsp;E. N. Zorina-Tikhonova,&nbsp;A. V. Vologzhanina,&nbsp;M. A. Kiskin,&nbsp;I. L. Eremenko","doi":"10.1134/S1070328424600128","DOIUrl":"10.1134/S1070328424600128","url":null,"abstract":"<p>Two new coordination compounds of zinc(II) with diethylmalonic acid anions (Et<sub>2</sub>mal<sup>2–</sup>) and 4,4'-bipyridine (4,4'-bipy) are synthesized: {[Zn(H<sub>2</sub>O)(4,4'-bipy)(Et<sub>2</sub>mal)]·0.5C<sub>2</sub>H<sub>5</sub>OH·1.5H<sub>2</sub>O}<sub><i>n</i></sub> (<b>I</b>) and {[Zn<sub>4</sub>(H<sub>2</sub>O)<sub>2</sub>(4,4'-bipy)<sub>3</sub>(Et<sub>2</sub>mal)<sub>4</sub>]·6H<sub>2</sub>O}<sub><i>n</i></sub> (<b>II</b>). According to the XRD data (CIF files CCDC nos. 2323336 (<b>I</b>) and 2323337 (<b>II</b>)), both compounds are 2D polymers with the <b>sql</b> and <b>bey</b> topology, respectively. The choice of the initial zinc salt and solvent predetermines the compositions and structures of the polymers under similar synthesis conditions.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182703","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}
引用次数: 0
The First Example of Dicubane Nickel(II) Complex in the Series of Unsymmetrically Substituted Diketones 不对称取代的二酮类化合物系列中的首个二古巴烷镍(II)络合物实例
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI: 10.1134/S1070328424600499
L. A. Khamidullina, I. S. Puzyrev, P. V. Dorovatovskii, V. N. Khrustalev, A. V. Pestov
{"title":"The First Example of Dicubane Nickel(II) Complex in the Series of Unsymmetrically Substituted Diketones","authors":"L. A. Khamidullina,&nbsp;I. S. Puzyrev,&nbsp;P. V. Dorovatovskii,&nbsp;V. N. Khrustalev,&nbsp;A. V. Pestov","doi":"10.1134/S1070328424600499","DOIUrl":"10.1134/S1070328424600499","url":null,"abstract":"<p>The first homometal dicubane nickel(II) complex based on unsymmetrically substituted 1,3-diketone (1,1,1-trifluoro-4-(2-methoxyphenyl)butan-2,4-dione) was synthesized and studied by X-ray diffraction using synchrotron radiation (CCDC no. 861889). In the crystal of the complex, nickel atoms are joined into tetrahedra sharing a common vertex with Ni…Ni distances of 3.026–3.127 Å; the geometry is completed to a distorted dicubane by μ<sub>3</sub>-bridging oxygen atoms of the hydroxyl groups. The coordination environment of each metal center is a distorted octahedron, the ligand is deprotonated and performs a bidentate function, forming six-membered chelate rings.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182705","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}
引用次数: 0
Reaction of 2,3,4,5,6-Pentafluorobenzamide with Potassium Hydride: Unexpected Activation of the C–F Bond and Dimerization of Organofluorine Ligand 2,3,4,5,6-五氟苯甲酰胺与氢化钾的反应:C-F 键的意外活化和有机氟配体的二聚化
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-15 DOI: 10.1134/S107032842460013X
D. S. Yambulatov, T. V. Astaf’eva, J. K. Voronina, S. A. Nikolaevskii, M. A. Kiskin, I. L. Eremenko
{"title":"Reaction of 2,3,4,5,6-Pentafluorobenzamide with Potassium Hydride: Unexpected Activation of the C–F Bond and Dimerization of Organofluorine Ligand","authors":"D. S. Yambulatov,&nbsp;T. V. Astaf’eva,&nbsp;J. K. Voronina,&nbsp;S. A. Nikolaevskii,&nbsp;M. A. Kiskin,&nbsp;I. L. Eremenko","doi":"10.1134/S107032842460013X","DOIUrl":"10.1134/S107032842460013X","url":null,"abstract":"<p>The reaction of potassium hydride with 2,3,4,5,6-pentafluorobenzamide (FBAm) in dimethoxyethane results in activation of the C–F bond in the <i>para</i>-position to the C(O)NH<sub>2</sub> group followed by dimerization of FBAm to form a potassium salt with one free amide group. The structure of the binuclear reaction product {(DME)<sub>2</sub>K<sup>+</sup>[C<sub>6</sub>F<sub>5</sub>–C(O)N–C<sub>6</sub>F<sub>4</sub>–C(O)NH<sub>2</sub>]<sup>–</sup>}<sub>2</sub> (<b>I</b>) was determined by X-ray diffraction (CCDC 2311402), the purity of the product was confirmed by NMR spectroscopy.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S107032842460013X.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182715","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}
引用次数: 0
Nickel(II) and Copper(II) Dicyanoargentate Complexes with Ethylenediamine and 4,4'-Bipyridyl Ligands 乙二胺和 4,4'-联吡啶配体的二氰基精氨酸镍(II)和铜(II)络合物
IF 1.1 3区 化学
Russian Journal of Coordination Chemistry Pub Date : 2024-08-15 DOI: 10.1134/S1070328423601589
D. R. Pashnin, D. P. Shevchenko, V. V. Sharutin, O. K. Sharutina
{"title":"Nickel(II) and Copper(II) Dicyanoargentate Complexes with Ethylenediamine and 4,4'-Bipyridyl Ligands","authors":"D. R. Pashnin,&nbsp;D. P. Shevchenko,&nbsp;V. V. Sharutin,&nbsp;O. K. Sharutina","doi":"10.1134/S1070328423601589","DOIUrl":"10.1134/S1070328423601589","url":null,"abstract":"<p>The reactions of an aqueous solution of potassium dicyanoargentate with a mixture of nickel(II) or copper(II) chloride and ethylenediamine or 4,4'-bipyridyl in ethanol afford coordination polymers [Ni(Еn)<sub>2</sub>(Ag(CN)<sub>2</sub>)][Ag(CN)<sub>2</sub>] (<b>I</b>), [Cu(Еn)<sub>2</sub>(Ag(CN)<sub>2</sub>)][Ag(CN)<sub>2</sub>] (<b>II</b>), and [Cu(4,4'-Вipy)<sub>2</sub>(Ag(CN)<sub>2</sub>)<sub>2</sub>] (<b>III</b>) characterized by XRD (CIF files CCDC nos. 2225984 (<b>I</b>), 2214320 (<b>II</b>), and 2229270 (<b>III</b>)) and IR spectroscopy. According to the XRD data, the crystals of complexes <b>I</b> and <b>II</b> are formed by 1D chains {··NC–Ag–CN–M(Еn)<sub>2</sub>··}<sub><i>n</i></sub> (M = Ni (<b>I</b>), Cu (<b>II</b>)) linked with each other by the dicyanoargentate anions via argentophilic contacts (Ag···Ag 3.288(8) Å (<b>I</b>), 3.1616(14) Å (<b>II</b>)). The crystal of compound <b>III</b> consists of independent interpenetrating 3D networks built of polymer layers {Cu[Ag(CN)<sub>2</sub>]<sub>2</sub>}<sub><i>n</i></sub> bound to each other by the 4,4'-bipyridyl molecules. The bipyridyl linkers connect the Cu centers with the Ag centers of the [Ag(CN)<sub>2</sub>]<sup>–</sup> anions thus providing the tridentate coordination of the silver atoms. No Ag···Ag interactions are observed in the crystal of complex <b>III</b>.</p>","PeriodicalId":759,"journal":{"name":"Russian Journal of Coordination Chemistry","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142182701","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}
引用次数: 0
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