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Formation of a water-soluble vanadium(iv) metal-polymer complex with a copolymer of vinylphosphonic acid and acrylamide: DFT quantum chemical modeling 乙烯基膦酸和丙烯酰胺共聚物形成水溶性钒（iv）金属-聚合物络合物：DFT量子化学建模
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4653-4
D. O. Ruzanov, A. I. Fischer, N. S. Panina, Ye. F. Panarin
{"title":"Formation of a water-soluble vanadium(iv) metal-polymer complex with a copolymer of vinylphosphonic acid and acrylamide: DFT quantum chemical modeling","authors":"D. O. Ruzanov,&nbsp;A. I. Fischer,&nbsp;N. S. Panina,&nbsp;Ye. F. Panarin","doi":"10.1007/s11172-024-4653-4","DOIUrl":"10.1007/s11172-024-4653-4","url":null,"abstract":"<div><p>Interactions of the citrate complexes [V<sup>IV</sup><sub>2</sub>O<sub>2</sub>(citr)<sub>2</sub>]<sup>4−</sup> and their protonated forms bearing polymer chains, which include vinylphosphonic acid and acrylamide units containing functional —P(O)(OH)<sub>2</sub> and —C(O)NH<sub>2</sub> groups, were studied by the DFT method at the M06/def2tzvp level of theory. The experimental IR spectra show V—O(P) stretching bands involving vanadium atoms of the coordination anion [V<sub>2</sub>O<sub>2</sub>(C<sub>6</sub>H<sub>4</sub>O<sub>7</sub>)<sub>2</sub>]<sup>4−</sup> and the phosphonate oxygen atom of the copolymer —P(O)(OH)(O—)<sup>1−</sup>. The formation of the V—O(P) bond between the metal complex and the phosphonate anion of the copolymer was found to be due to the presence of —CO<sub>2</sub>H groups in the ligand environment of divanadium citrate, resulting in a decrease in the overall negative charge of the complex. Experimentally, this corresponds to the controlled protonation of the citrate ligands of the starting metal complex. In the resulting [V<sub>2</sub>O<sub>2</sub>(C<sub>6</sub>H<sub>5</sub>O<sub>7</sub>)<sub>2</sub>]<sup>2−</sup> and [V<sub>2</sub>O<sub>2</sub>(C<sub>6</sub>H<sub>6</sub>O<sub>7</sub>)<sub>2</sub>]<sup>0</sup> complexes, the opening of two to four chelate rings results in the formation of additional reaction sites for the binding of complexing metals to anionic phosphonate groups. The V—O(P) stretching vibrations in the calculated IR spectrum for the formation of [V<sub>2</sub>O<sub>2</sub>(C<sub>6</sub>H<sub>5</sub>O<sub>7</sub>)<sub>2</sub>]<sup>2−</sup> are similar to the experimental values.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1704 - 1713"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Chemical transformations of artemisinin 青蒿素的化学转化
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4651-6
A. V. Semakov, S. V. Afanasyeva, S. A. Pukhov
{"title":"Chemical transformations of artemisinin","authors":"A. V. Semakov,&nbsp;S. V. Afanasyeva,&nbsp;S. A. Pukhov","doi":"10.1007/s11172-024-4651-6","DOIUrl":"10.1007/s11172-024-4651-6","url":null,"abstract":"<div><p>Artemisinin is a metabolite of the plant <i>Artemisia annua</i> L. This sesquiterpene lactone exhibits antimalarial activity and is commercially available. Various derivatives and analogues of this compound are potent agents exhibiting a wealth of biological activities and used as efficient drugs in clinical practice. The review is devoted to the chemical reactions of artemisinin and its best known derivatives (artemisitene, dihydroartemisinin, anhydrodihydroartemisinin), whose molecular structures retain the tetracyclic skeleton with the peroxide bridge. Main methods for structure modification of their molecules under the action of various oxidizing and reducing agents, acids and bases, electrophiles and nucleophiles are described. Catalytic reactions, as well as enzymatic, and photochemical transformations of artemisinin and its analogues are considered. Reactions occurring with preservation of the tetracyclic peroxide skeleton, as well as ring rearrangement and degradation of one or more rings are analyzed. Most transformations were shown to afford biologically active products.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1604 - 1686"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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, kappa-opioid activity, and analgesic activity in vivo of novel biphenyl-substituted imidazo[1,2-a]benzimidazoles 新型联苯取代咪唑[1,2-a]苯并咪唑的合成、卡帕-阿片活性和体内镇痛活性
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4665-0
O. N. Zhukovskaya, A. S. Morkovnik, N. V. Eliseeva, G. V. Pridvorov, Yu. V. Lifanova, K. Yu. Kalitin, O. Yu. Mukha, A. A. Spasov, P. B. Chepurnoy
{"title":"Synthesis, kappa-opioid activity, and analgesic activity in vivo of novel biphenyl-substituted imidazo[1,2-a]benzimidazoles","authors":"O. N. Zhukovskaya,&nbsp;A. S. Morkovnik,&nbsp;N. V. Eliseeva,&nbsp;G. V. Pridvorov,&nbsp;Yu. V. Lifanova,&nbsp;K. Yu. Kalitin,&nbsp;O. Yu. Mukha,&nbsp;A. A. Spasov,&nbsp;P. B. Chepurnoy","doi":"10.1007/s11172-024-4665-0","DOIUrl":"10.1007/s11172-024-4665-0","url":null,"abstract":"<div><p>A series of new 2,9-disubstituted imidazo[1,2-<i>a</i>]benzimidazoles, mainly with biphenyl groups, were synthesized. <i>In silico</i> methods and pharmacological studies showed considerable kappa-opioid receptor (KOR) affinity and analgesic activity of some of these compounds.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1804 - 1814"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 sulfide-hydroxide layered materials modified with palladium and platinum and their photocatalytic activity in the reaction of indigo carmine reduction 钯和铂改性氢氧化硫层状材料的合成及其在靛蓝胭脂红还原反应中的光催化活性
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4656-1
R. V. Borisov, D. V. Karpov, A. A. Karacharov, M. N. Likhatski
{"title":"Synthesis of sulfide-hydroxide layered materials modified with palladium and platinum and their photocatalytic activity in the reaction of indigo carmine reduction","authors":"R. V. Borisov,&nbsp;D. V. Karpov,&nbsp;A. A. Karacharov,&nbsp;M. N. Likhatski","doi":"10.1007/s11172-024-4656-1","DOIUrl":"10.1007/s11172-024-4656-1","url":null,"abstract":"<div><p>Layered sulfide-hydroxide materials, analogues of the natural mineral valleriite, were synthesized at a temperature of 160 °C in an autoclave in the presence of nanosized palladium and platinum metal powders. The samples were characterized by powder X-ray diffraction, scanning and transmission electron microscopy, and X-ray photoelectron spectroscopy. The obtained materials are composites consisting of valleriite phases and palladium sulfide or metallic platinum. The bandgap energy for the direct optical transition was estimated for the synthesized compounds, and the obtained values were in the range of 3.38–3.53 eV. The samples demonstrated positive effects in the model process of photocatalytic reduction of indigo carmine with sodium citrate compared to titanium(<span>iv</span>) oxide, single-phase valleriite, and nanosized palladium and platinum powders.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1729 - 1739"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 and properties of 2,4,6-triazido-3,5-dichloropyridine N-oxide 2,4,6-三叠氮-3,5-二氯吡啶n -氧化物的合成与性能
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4674-z
S. V. Chapyshev
{"title":"Synthesis and properties of 2,4,6-triazido-3,5-dichloropyridine N-oxide","authors":"S. V. Chapyshev","doi":"10.1007/s11172-024-4674-z","DOIUrl":"10.1007/s11172-024-4674-z","url":null,"abstract":"<div><p>The reaction of 2,6-diazido-3,4,5-trichloropyridine <i>N</i>-oxide with sodium azide in DMSO gave the first representative of monocyclic triazidated hetaryl-<i>N</i>-oxides, <i>viz.</i> 2,4,6-triazido-3,5-dichloropyridine <i>N</i>-oxide, which possesses interesting chemical and physical properties.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1884 - 1886"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145163448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Cerium-doped calcium phosphate materials for bone tissue engineering 骨组织工程用掺铈磷酸钙材料
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4647-2
V. K. Besprozvannykh, I. E. Nifant’ev, A. N. Tavtorkin, P. V. Ivchenko
{"title":"Cerium-doped calcium phosphate materials for bone tissue engineering","authors":"V. K. Besprozvannykh,&nbsp;I. E. Nifant’ev,&nbsp;A. N. Tavtorkin,&nbsp;P. V. Ivchenko","doi":"10.1007/s11172-024-4647-2","DOIUrl":"10.1007/s11172-024-4647-2","url":null,"abstract":"<div><p>Cerium-doped calcium phosphate (Ce-CP) ceramics represent a promising class of materials for bone tissue engineering, due to their biocompatibility, and possess antioxidant, antibacterial, and osteoinductive properties. Furthermore, the application of Ce-CP ceramics in tissue-engineered constructs and materials may accelerate vascular regeneration and growth, which is critically important for the development of new methods and approaches in tissue engineering. This study is the first comprehensive review of Ce-CP ceramics, addressing possible pathways of Ce incorporation into calcium phosphate and methods of synthesis and structural characterization of Ce-CPs. Data on their biocompatibility and toxicity are summarized. The future potential of Ce-CPs in bone tissue engineering is considered.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1505 - 1540"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Study of thermal properties of tetrakis(dimethylamido)zirconium as a precursor for atomic layer deposition processes 作为原子层沉积过程前驱体的四（二甲酰胺）锆的热性能研究
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4671-2
E. S. Vikulova, L. N. Zelenina, A. E. Turgambaeva, I. Yu. Ilyin, S. I. Dorovskikh, N. B. Morozova
{"title":"Study of thermal properties of tetrakis(dimethylamido)zirconium as a precursor for atomic layer deposition processes","authors":"E. S. Vikulova,&nbsp;L. N. Zelenina,&nbsp;A. E. Turgambaeva,&nbsp;I. Yu. Ilyin,&nbsp;S. I. Dorovskikh,&nbsp;N. B. Morozova","doi":"10.1007/s11172-024-4671-2","DOIUrl":"10.1007/s11172-024-4671-2","url":null,"abstract":"<div><p>Tetrakis(dimethylamido)zirconium, Zr(NMe<sub>2</sub>)<sub>4</sub>, TDMAZ, is a sought-after precursor for obtaining ZrO<sub>2</sub> thin films by atomic layer deposition (ALD). Its thermochemical properties are poorly studied, which does not allow for efficient optimization of the layer growth conditions. In this paper, a comprehensive study of the TDMAZ thermal behavior in the condensed and gas phases was conducted. According to tensimetry (a static method with membrane-gauge manometer) results, the gas phase above the liquid compound consists of the dimer molecules Zr<sub>2</sub>(NMe<sub>2</sub>)<sub>8</sub>, while their dissociation presumably to monomers occurs in unsaturated vapor. The temperature dependence of the saturated vapor pressure and the thermodynamic characteristics of the evaporation process in the temperature range of 60–110 °C were determined. According to the mass spectrometric analysis of the gas phase composition, the onset temperature of decomposition of vapor on the heated surface is 240±10 °C, with the maximum degree of thermolysis being achieved at temperatures above 280 °C. Based on the data obtained, temperature limits for vaporization and deposition in ALD processes from TDMAZ were recommended.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1864 - 1870"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Diffusion and phase behavior of a UV-curable composition based on a hyperbranched alkyd oligomer and mercapto-silsesquioxane 基于超支化醇酸低聚物和巯基硅氧烷的紫外光固化组合物的扩散和相行为
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4676-x
A. A. Golubev, N. Yu. Budylin, A. A. Shcherbina, M. A. Soldatov
{"title":"Diffusion and phase behavior of a UV-curable composition based on a hyperbranched alkyd oligomer and mercapto-silsesquioxane","authors":"A. A. Golubev,&nbsp;N. Yu. Budylin,&nbsp;A. A. Shcherbina,&nbsp;M. A. Soldatov","doi":"10.1007/s11172-024-4676-x","DOIUrl":"10.1007/s11172-024-4676-x","url":null,"abstract":"","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1891 - 1894"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Asymmetric addition to 3,4-dihydroisoquinolines 3,4-二氢异喹啉的不对称加成
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4650-7
I. N. Egorov, O. V. Pokharkar, V. A. Platonov, G. V. Zyryanov, D. S. Kopchuk, Ya. K. Shtaitz, V. L. Rusinov
{"title":"Asymmetric addition to 3,4-dihydroisoquinolines","authors":"I. N. Egorov,&nbsp;O. V. Pokharkar,&nbsp;V. A. Platonov,&nbsp;G. V. Zyryanov,&nbsp;D. S. Kopchuk,&nbsp;Ya. K. Shtaitz,&nbsp;V. L. Rusinov","doi":"10.1007/s11172-024-4650-7","DOIUrl":"10.1007/s11172-024-4650-7","url":null,"abstract":"<div><p>This review analyzed and discussed the data on the asymmetric addition of nucleophiles to 3,4-dihydroisoquinolines, their salts and <i>N</i>-oxides as an approach for synthesizing chiral 1,2,3,4-tetrahydroisoquinolines known as valuable pharmacological candidates.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1592 - 1603"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
New ruthenocene-based nickel pincer complexes bearing the C5Me4CF3 ligand 含C5Me4CF3配体的新型钌茂烯镍螯合物
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-07-10 DOI: 10.1007/s11172-024-4660-5
S. V. Safronov, S. A. Kuklin, N. V. Abramova, Yu. V. Nelyubina, A. S. Peregudov
{"title":"New ruthenocene-based nickel pincer complexes bearing the C5Me4CF3 ligand","authors":"S. V. Safronov,&nbsp;S. A. Kuklin,&nbsp;N. V. Abramova,&nbsp;Yu. V. Nelyubina,&nbsp;A. S. Peregudov","doi":"10.1007/s11172-024-4660-5","DOIUrl":"10.1007/s11172-024-4660-5","url":null,"abstract":"<div><p>First (trifluoromethyl)tetramethylruthenocene-based nickel pincer complexes NiC1[{2,5-(R<sub>2</sub>PCH<sub>2</sub>)<sub>2</sub>C<sub>5</sub>H<sub>2</sub>}Ru(Cp<sup>F</sup>)] (Cp<sup>F</sup> = C<sub>5</sub>Me<sub>4</sub>CF<sub>3</sub>, R = Bu<sup>t</sup> (<b>3a</b>), Pr<sup>i</sup> (<b>3b</b>)) were synthesized. The reaction of complex <b>3a</b> with NaBH<sub>4</sub> was investigated. The diphosphine diborane compound {1,3-(H<sub>3</sub>B-P(Bu<sup>t</sup>)<sub>2</sub>CH<sub>2</sub>)<sub>2</sub>C<sub>5</sub>H<sub>3</sub>}Ru(Cp<sup>F</sup>) (<b>4</b>) was obtained instead of the expected reaction product Ni(BH<sub>4</sub>)[{2,5-(Bu<sup>t</sup><sub>2</sub>PCH<sub>2</sub>)<sub>2</sub>C<sub>5</sub>H<sub>2</sub>}Ru(Cp<sup>F</sup>)]. Compounds <b>3a</b>, <b>3b</b>, and <b>4</b> were fully characterized by NMR spectroscopy. The structures of compounds <b>3a</b> and <b>4</b> were established by single-crystal X-ray diffraction.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 6","pages":"1761 - 1770"},"PeriodicalIF":1.7,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145164353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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