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Influence of the nature of an alkylammonium cation on the structure of the metal-organic frameworks based on ZnII and 2,5-furandicarboxylate 烷基铵阳离子性质对基于ni和2,5-呋喃二羧酸盐的金属有机骨架结构的影响
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4689-0
A. A. Shurenkov, A. A. Lysova, D. G. Samsonenko, V. P. Fedin
{"title":"Influence of the nature of an alkylammonium cation on the structure of the metal-organic frameworks based on ZnII and 2,5-furandicarboxylate","authors":"A. A. Shurenkov,&nbsp;A. A. Lysova,&nbsp;D. G. Samsonenko,&nbsp;V. P. Fedin","doi":"10.1007/s11172-025-4689-0","DOIUrl":"10.1007/s11172-025-4689-0","url":null,"abstract":"<div><p>The influence of the nature of an organic cation (dimethylammonium (Me<sub>2</sub>NH<sub>2</sub><sup>+</sup>), diethylammonium (Et<sub>2</sub>NH<sub>2</sub><sup>+</sup>), and tetramethylammonium (Me<sub>4</sub>N<sup>+</sup>)) on the structure of the metal-organic frameworks (MOFs) was studied. The presence of organic dimethyl- or diethylammonium cations, which can act as proton donors in hydrogen bonding, in the Zn<sup>2+</sup>—fdc<sup>2−</sup>—DMF system (fdc<sup>2−</sup> is 2,5-furandicarboxylate) results in the formation of MOFs [Me<sub>2</sub>NH<sub>2</sub>]<sub>2</sub>[Zn<sub>3</sub>(fdc)<sub>4</sub>]•2DMF(<b>1</b>) and [Et<sub>2</sub>NH<sub>2</sub>]<sub>2</sub>[Zn<sub>3</sub>(fdc)<sub>4</sub>]•2DMF•2H<sub>2</sub>O (<b>2</b>), which have similar crystal structures of the anionic type and crystallize in the same space group <i>P</i>2<sub>1</sub>/<i>c</i>. By contrast, the organic cation Me<sub>4</sub>N<sup>+</sup>, which does not contain potential hydrogen-bond donors, promotes the distortion of the framework structure and the formation of a new three-dimensional (3D) anionic MOF [Me<sub>4</sub>N]<sub>2</sub>[Zn<sub>3</sub>(fdc)<sub>4</sub>]•DMF•0.5H<sub>2</sub>O (<b>3</b>) crystallizing in the space group <i>P</i>2<sub>1</sub>/<i>n</i>. Compounds <b>2</b> and <b>3</b> were characterized by single-crystal X-ray diffraction analysis, powder X-ray diffraction analysis, elemental analysis, thermogravimetry, and IR spectroscopy.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"2044 - 2051"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853520","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
Divergent synthesis of thiophene-substituted 1,3,4-oxadiazoles from chloroacrylaldehydes and mercaptoacetyl hydrazides 氯丙烯醛和巯基乙酰肼衍生物合成噻吩取代1,3,4-恶二唑的研究
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4697-0
E. B. Uliankin, A. L. Samsonenko, S. A. Chernenko, V. Yu. Shuvalov, A. L. Shatsauskas, A. S. Kostyuchenko, A. S. Fisyuk
{"title":"Divergent synthesis of thiophene-substituted 1,3,4-oxadiazoles from chloroacrylaldehydes and mercaptoacetyl hydrazides","authors":"E. B. Uliankin,&nbsp;A. L. Samsonenko,&nbsp;S. A. Chernenko,&nbsp;V. Yu. Shuvalov,&nbsp;A. L. Shatsauskas,&nbsp;A. S. Kostyuchenko,&nbsp;A. S. Fisyuk","doi":"10.1007/s11172-025-4697-0","DOIUrl":"10.1007/s11172-025-4697-0","url":null,"abstract":"<div><p><i>N</i>′-Arylidenethiophene-2-carbohydrazides were first prepared by the reaction of 3-chloroacrylaldehydes with mercaptoacetylhydrazines. The resulting <i>N</i>′-arylidenethiophene-2-carbohydrazides were converted to the corresponding 1,3,4-oxadiazole derivatives by heating in the presence of iodine. A divergent approach to the synthesis of thiophene-substituted 1,3,4-oxadiazoles was developed.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"2136 - 2142"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853528","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
Standard enthalpies of formation of organometallic compounds of the I–VI and VIII group elements of the Periodic Table: correlation analysis of the influence of substituents 元素周期表上I-VI和VIII族元素的有机金属化合物的标准生成焓：取代基影响的相关性分析
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4683-6
N. M. Khamaletdinova, O. V. Kuznetsova, A. N. Egorochkin
{"title":"Standard enthalpies of formation of organometallic compounds of the I–VI and VIII group elements of the Periodic Table: correlation analysis of the influence of substituents","authors":"N. M. Khamaletdinova,&nbsp;O. V. Kuznetsova,&nbsp;A. N. Egorochkin","doi":"10.1007/s11172-025-4683-6","DOIUrl":"10.1007/s11172-025-4683-6","url":null,"abstract":"<div><p>Published results on the standard enthalpies of formation (Δ<sub><i>f</i></sub><i>H</i>°) of 22 narrow series of compounds of the I–VI and VIII group elements of the Periodic Table are analyzed. When these compounds are formed from simple substances, an excess charge appears on the reaction center, inducing a dipole in the substituent, which leads to an ion-dipole interaction (polarizability effect). It is shown for the first time that the thermodynamic characteristic Δ<sub><i>f</i></sub><i>H</i>° depends not only on classical (inductive, resonance, and steric) effects, but also on the polarizability effect of the substituents. In some series, the polarizability effect demonstrates the dominant influence on Δ<sub><i>f</i></sub><i>H</i>°.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"1986 - 1991"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853565","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
Controlled synthesis of easily degradable polymers via the radical copolymerization of cyclic ketene acetals with vinyl monomers 通过环烯酮缩醛与乙烯基单体的自由基共聚，可控地合成易于降解的聚合物
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4700-9
M. Yu. Zaremski, E. E. Aliev, N. S. Goulioukina, A. V. Plutalova
{"title":"Controlled synthesis of easily degradable polymers via the radical copolymerization of cyclic ketene acetals with vinyl monomers","authors":"M. Yu. Zaremski,&nbsp;E. E. Aliev,&nbsp;N. S. Goulioukina,&nbsp;A. V. Plutalova","doi":"10.1007/s11172-025-4700-9","DOIUrl":"10.1007/s11172-025-4700-9","url":null,"abstract":"<div><p>Opportunities of the controlled synthesis of easily degradable polymers were analyzed for the copolymerization of vinyl monomers with cyclic ketene acetals. Features of a new type of synthesis of easily degradable polymers <i>via</i> the radical copolymerization of vinyl monomers with cyclic ketene acetals were evaluated using copolymerization of styrene with 2-methylene-1,3-dioxepane as the model example. Upon the polymerization of those cyclic ketene acetals, the ring was opened forming the ester groups, which resulted in “weak” units capable of hydrolysis and biodegradation in the polystyrene (PS) chain. Kinetic features were estimated for the copolymerization. The possibility of controlled synthesis of PS according to the method of reversible inhibition with the participation of TEMPO nitroxide was demonstrated. The composition and molecular weight characteristics were estimated for the products. Their destruction upon hydrolysis in an alkaline medium was confirmed.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"2169 - 2175"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853567","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 hybrid compounds based on 5Z,9Z-dienoic acids and polycyclic amines and study of their cytotoxic activity 5Z、9z二烯酸和多环胺杂化化合物的合成及其细胞毒活性研究
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4706-3
A. A. Makarov, L. U. Dzhemileva, E. Kh. Makarova, U. M. Dzhemilev, V. A. D’yakonov
{"title":"Synthesis of hybrid compounds based on 5Z,9Z-dienoic acids and polycyclic amines and study of their cytotoxic activity","authors":"A. A. Makarov,&nbsp;L. U. Dzhemileva,&nbsp;E. Kh. Makarova,&nbsp;U. M. Dzhemilev,&nbsp;V. A. D’yakonov","doi":"10.1007/s11172-025-4706-3","DOIUrl":"10.1007/s11172-025-4706-3","url":null,"abstract":"<div><p>New hybrid compounds were synthesized by the reaction of effective inhibitors of human topoisomerase I, natural (5<i>Z</i>,9<i>Z</i>)-eicosa-5,9-dienoic acid and synthetic (5<i>Z</i>,9<i>Z</i>)-phenylundeca-5,9-dienoic acid, with polycyclic amines. The obtained hybrid compounds were found to have pronounced cytotoxic activity against five studied cell lines (Jurkat, U937, K562, HEK293, fibroblasts), with the lead compound showing selective activity against Jurkat and K562 cells; its activity was found to be comparable with that of comparison drugs, camptothecin and etoposide.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"2207 - 2213"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853609","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
General Meeting of the Russian Academy of Sciences 俄罗斯科学院全体会议
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4708-1
G. N. Konnova
{"title":"General Meeting of the Russian Academy of Sciences","authors":"G. N. Konnova","doi":"10.1007/s11172-025-4708-1","DOIUrl":"10.1007/s11172-025-4708-1","url":null,"abstract":"<div><p>The scientific and scientific-organizational activities of the Russian Academy of Sciences (RAS) and its Divisions in 2024 are presented in the reports of RAS authorities. The most significant results obtained by scientists of the Academy in 2024 are described and strategic initiatives for the near future are outlined. Data on RAS awards to scientists are given. Information about elections of Full Members and Corresponding Members of RAS is presented.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"2224 - 2233"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853611","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
Specificity of the reaction between carboryne and 3,6-diaryl-1,2,4,5-tetrazines 碳炔与3,6-二芳基-1,2,4,5-四嗪反应的特异性
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4696-1
T. D. Moseev, D. S. Kopchuk, L. A. Smyshlyaeva, I. A. Khalymbadzha, P. A. Slepukhin, A. N. Tsmokalyuk, A. V. Rybakova, G. V. Zyryanov, M. V. Varaksin, V. N. Charushin, O. N. Chupakhin
{"title":"Specificity of the reaction between carboryne and 3,6-diaryl-1,2,4,5-tetrazines","authors":"T. D. Moseev,&nbsp;D. S. Kopchuk,&nbsp;L. A. Smyshlyaeva,&nbsp;I. A. Khalymbadzha,&nbsp;P. A. Slepukhin,&nbsp;A. N. Tsmokalyuk,&nbsp;A. V. Rybakova,&nbsp;G. V. Zyryanov,&nbsp;M. V. Varaksin,&nbsp;V. N. Charushin,&nbsp;O. N. Chupakhin","doi":"10.1007/s11172-025-4696-1","DOIUrl":"10.1007/s11172-025-4696-1","url":null,"abstract":"<div><p>The possibility of the reactions of carboryne, a highly reactive organoboron analog of aryne, with 3,6-bis-substituted 1,2,4,5-tetrazines was studied. These reactions do not afford [4+2]-cycloaddition products. The reaction with 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine leads to <i>N</i>-carboranylation. In the case of 3,6-diphenyl-1,2,4,5-tetrazine, the sequential addition and rearrangement occur to give a dimeric product in 21% yield. The structures of the obtained organoboron compounds were confirmed by NMR spectroscopy, mass spectrometry, and X-ray diffraction analysis. The proposed mechanisms of the chemical transformations were additionally confirmed by the calculations. The results of this study are of interest for the targeted design of organoboron and hybrid materials as well as of potential agents for boron neutron capture therapy.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"2125 - 2135"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853527","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
Mechanisms of thermal decomposition of 1-[2,2-bis(methoxy-NNO-azoxy)ethyl]pyrazole 1-[2,2-双（甲氧基- nno -偶氧基）乙基]吡唑的热分解机理
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4685-4
B. E. Krisyuk, I. N. Zyuzin, T. M. Sypko, N. V. Chukanov
{"title":"Mechanisms of thermal decomposition of 1-[2,2-bis(methoxy-NNO-azoxy)ethyl]pyrazole","authors":"B. E. Krisyuk,&nbsp;I. N. Zyuzin,&nbsp;T. M. Sypko,&nbsp;N. V. Chukanov","doi":"10.1007/s11172-025-4685-4","DOIUrl":"10.1007/s11172-025-4685-4","url":null,"abstract":"<div><p>The previously proposed alternative mechanisms of thermal decomposition of 1-[2,2-bis(methoxy-<i>NNO</i>-azoxy)ethyl]pyrazole were verified by quantum chemical calculations. The main ones are two competitive channels: 1) the transfer of one of the two β-H atoms to the O(1) atom <i>via</i> a 5-membered transition state with an activation enthalpy of ∼160 kJ mol<sup>−1</sup> and MeOH and N<sub>2</sub>O as the main volatile products; 2) the transfer of an H atom to the pyrazole ring with subsequent elimination of pyrazole and an activation enthalpy of ∼180 kJ mol<sup>−1</sup>. An alternative mechanism <i>via</i> a zwitterionic intermediate with a three-center hydrogen bond and an activation enthalpy of 263 kJ mol<sup>−1</sup> cannot compete with the main channels in the gas phase. However, taking into account a number of factors of thermolysis in the liquid phase and a relatively low barrier of conversion of the zwitterionic intermediate (145 kJ mol<sup>−1</sup>), the alternative mechanism can make a considerable contribution to the overall process, with its contribution being determined by the stationary concentration of the zwitterionic intermediate.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"2007 - 2018"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853529","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, properties, and study of anticoagulant and antiplatelet activity of ketoximes containing the 1,3-dioxane moiety 含有1,3-二氧六环的酮肟的合成、性质及抗凝血和抗血小板活性的研究
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4701-8
Ya. S. Artamonova, A. I. Poptsov, Yu. G. Borisova, A. A. Golovanov, G. Z. Raskildina, S. S. Zlotsky, R. M. Sultanova
{"title":"Synthesis, properties, and study of anticoagulant and antiplatelet activity of ketoximes containing the 1,3-dioxane moiety","authors":"Ya. S. Artamonova,&nbsp;A. I. Poptsov,&nbsp;Yu. G. Borisova,&nbsp;A. A. Golovanov,&nbsp;G. Z. Raskildina,&nbsp;S. S. Zlotsky,&nbsp;R. M. Sultanova","doi":"10.1007/s11172-025-4701-8","DOIUrl":"10.1007/s11172-025-4701-8","url":null,"abstract":"<div><p>Modification of ketoximes containing 1,3-dioxane moiety in reactions with alkyl halides, bifunctional compounds, and acylation agents was studied, and anticoagulation and antiplatelet activity of both starting compounds and products was investigated. The synthesized ethers, esters, and carbamates showed anticoagulant activity at the level of acetylsalicylic acid, whereas phenylcarbamoyl oxime containing a cycloacetal group was found to be comparable to sodium etamsylate in pro-aggregation activity and enhancement of platelet aggregation.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"2176 - 2183"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853568","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
3a,6a-Diazapentalenes (pyrazolo[1,2-a]pyrazoles)
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2025-08-16 DOI: 10.1007/s11172-025-4681-8
E. V. Babaev, S. Yu. Panshina, N. A. Alzhapparova, M. K. Ibraev, M. S. Usenova
{"title":"3a,6a-Diazapentalenes (pyrazolo[1,2-a]pyrazoles)","authors":"E. V. Babaev,&nbsp;S. Yu. Panshina,&nbsp;N. A. Alzhapparova,&nbsp;M. K. Ibraev,&nbsp;M. S. Usenova","doi":"10.1007/s11172-025-4681-8","DOIUrl":"10.1007/s11172-025-4681-8","url":null,"abstract":"<div><p>The review considers the electronic structure, geometry, and spectral properties of 3a,6a-diazapentalenes, a heterocyclic system with two bridged nitrogen atoms, routes to the synthesis of these compounds from pyrazole derivatives, and their reactivity (reactions with electrophiles and cycloaddition).</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"74 7","pages":"1958 - 1975"},"PeriodicalIF":1.7,"publicationDate":"2025-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144853613","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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