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Novel thermosetting diimides containing terminal propargyl groups 含有末端丙炔基团的新型热固性二亚胺
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4388-2
V. S. Bochenkov, R. N. Shamsutdinova, A. I. Ryzhkov, V. L. Baklagin, A. Yu. Tsegelskaya, I. G. Abramov, A. I. Buzin, A. A. Kuznetsov
{"title":"Novel thermosetting diimides containing terminal propargyl groups","authors":"V. S. Bochenkov,&nbsp;R. N. Shamsutdinova,&nbsp;A. I. Ryzhkov,&nbsp;V. L. Baklagin,&nbsp;A. Yu. Tsegelskaya,&nbsp;I. G. Abramov,&nbsp;A. I. Buzin,&nbsp;A. A. Kuznetsov","doi":"10.1007/s11172-024-4388-2","DOIUrl":"10.1007/s11172-024-4388-2","url":null,"abstract":"<div><p>A series of new thermosetting diimides containing terminal propargyl groups was synthesized via one-step high-temperature catalytic condensation of dianhydrides of a tetracarboxylic acid with <i>N</i>-Boc-(4-propargyloxy)aniline (APR) in the so-called “active medium”, <i>viz.</i> molten benzoic acid. Structures of the obtained compounds were confirmed by <sup>1</sup>H NMR and IR spectroscopy. The effect of symmetrical and unsymmetrical structures of the middle bis-imide moiety obtained from dianhydrides of isomeric diphenyltetracarboxylic acid on physicochemical characteristics of the diimides was evaluated. A similar comparison of properties was also carried out for a pair of new propargyl-containing diimides synthesized from dianhydrides of symmetric and asymmetric structure: 4,4-biphenylenedioxydiphthalic and 3,4-biphenylenedioxydiphthalic dianhydrides, respectively. Thermal properties of thermosetting oligoimides were estimated using DSC and TMA methods. It was found that their thermal properties and solubility in organic solvents depend significantly on the structure of central bis-imide moiety.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2750 - 2757"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518760","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
In situ spectroelectrochemical and nanomechanical studies in the atomic force microscopy mode of the oxidation—reduction processes of poly-N,N′-ethylenebis(3-methoxysalicylideneimine) 在原子力显微镜模式下对聚-N,N′-乙烯双（3-甲氧基水杨酰亚胺）的氧化还原过程进行原位光谱电化学和纳米力学研究
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4373-9
A. M. Timonov, Yu. S. Danilova, E. A. Dmitrieva, E. A. Smirnova, I. A. Chepurnaya, A. V. Ankudinov
{"title":"In situ spectroelectrochemical and nanomechanical studies in the atomic force microscopy mode of the oxidation—reduction processes of poly-N,N′-ethylenebis(3-methoxysalicylideneimine)","authors":"A. M. Timonov,&nbsp;Yu. S. Danilova,&nbsp;E. A. Dmitrieva,&nbsp;E. A. Smirnova,&nbsp;I. A. Chepurnaya,&nbsp;A. V. Ankudinov","doi":"10.1007/s11172-024-4373-9","DOIUrl":"10.1007/s11172-024-4373-9","url":null,"abstract":"<div><p>Redox processes in the polymer film of poly-<i>N</i>,<i>N′</i>-ethylenebis(3-methoxysalicylideneimine were studied for the first time by <i>in situ</i> methods including electron spin resonance spectroscopy, ultraviolet—visible—near-infrared spectroscopy, and Fourier transform infrared spectroscopy. The integration of the obtained data with the results of electrochemical nanomechanical atomic force microscopy measurements allowed us to determine causes of a low electrochemical oxidative polymerization efficiency of this compound and a rapid loss of its electrochemical activity in the oxidation—reduction processes.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2624 - 2631"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518753","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 heterocyclic system consisting of hydroxytetrazole, tetrazole, and azidofurazan moieties 由羟基四氮唑、四氮唑和叠氮呋喃分子组成的新杂环系统
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4393-5
S. P. Balabanova, A. A. Voronin, A. M. Churakov, M. S. Klenov, I. V. Fedyanin, Yu. A. Strelenko, V. A. Tartakovsky
{"title":"New heterocyclic system consisting of hydroxytetrazole, tetrazole, and azidofurazan moieties","authors":"S. P. Balabanova,&nbsp;A. A. Voronin,&nbsp;A. M. Churakov,&nbsp;M. S. Klenov,&nbsp;I. V. Fedyanin,&nbsp;Yu. A. Strelenko,&nbsp;V. A. Tartakovsky","doi":"10.1007/s11172-024-4393-5","DOIUrl":"10.1007/s11172-024-4393-5","url":null,"abstract":"<div><p>A simple method was developed for the synthesis of a new heterocyclic ensemble composed of the consecutively connected 1,2,5-oxadiazole, tetrazole, and hydroxytetrazole rings. The structure of ammonium salt of this ensemble was studied by X-ray diffraction.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2781 - 2784"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518766","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 5-isothiocyanato-6-methyluracil from hydroxamic acid 从羟肟酸合成 5-异硫氰基-6-甲基尿嘧啶
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4392-6
I. B. Chernikova, M. S. Yunusov
{"title":"Synthesis of 5-isothiocyanato-6-methyluracil from hydroxamic acid","authors":"I. B. Chernikova,&nbsp;M. S. Yunusov","doi":"10.1007/s11172-024-4392-6","DOIUrl":"10.1007/s11172-024-4392-6","url":null,"abstract":"<div><p>A one-step synthesis of 5-isothiocyanato-6-methyluracil from the corresponding hydroxamic acid was carried out. A plausible mechanism of the reaction was proposed.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2778 - 2780"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518765","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
Cluster of Conferences in Organoelement and Supramolecular Chemistry Scientific Strategies of the Future (with international participation) 有机元素和超分子化学未来科学战略会议组（有国际参与）
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4394-4
{"title":"Cluster of Conferences in Organoelement and Supramolecular Chemistry Scientific Strategies of the Future (with international participation)","authors":"","doi":"10.1007/s11172-024-4394-4","DOIUrl":"10.1007/s11172-024-4394-4","url":null,"abstract":"","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2785 - 2786"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518767","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 new thermosetting oligoimides containing terminal propargyl groups 含端丙炔基团的新型热固性低聚酰亚胺的合成及其特性
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4386-4
V. S. Bochenkov, A. I. Ryzhkov, R. N. Shamsutdinova, M. S. Piskarev, V. L. Baklagin, A. Yu. Tsegelskaya, I. G. Abramov, A. I. Buzin, A. A. Kuznetsov
{"title":"Synthesis and properties of new thermosetting oligoimides containing terminal propargyl groups","authors":"V. S. Bochenkov,&nbsp;A. I. Ryzhkov,&nbsp;R. N. Shamsutdinova,&nbsp;M. S. Piskarev,&nbsp;V. L. Baklagin,&nbsp;A. Yu. Tsegelskaya,&nbsp;I. G. Abramov,&nbsp;A. I. Buzin,&nbsp;A. A. Kuznetsov","doi":"10.1007/s11172-024-4386-4","DOIUrl":"10.1007/s11172-024-4386-4","url":null,"abstract":"<div><p>A series of new oligoimides based on 4,4- and 3,4-oxydianiline and 2,2-bis[(3,4-dicarboxyphenoxy)phenyl]propane dianhydride, possessing different average chain lengths, and containing terminal propargyl groups were synthesized according to an efficient single-step high-temperature polycyclocondensation method. Their molecular weight characteristics, solubility in organic solvents, thermal (DSC, TMA, and TGA), and rheological properties were studied. The synthesized oligoimides exhibited a significantly lower exothermic effect upon curing due to their elongated chain as compared to diimides. The oligoimides upon increasing the temperature enter into a viscous fluid state, in which they remain up to the curing onset temperature of 270–320 °C. The symmetry of structure of the diamine moiety (4,4-ODA or 3,4-ODA) and the molecular weight of oligoimides affect the temperature of transition to the viscous fluid state.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2730 - 2739"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518763","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
Alkylation of azoles with alkenes catalyzed by the NiCl2Py2/IMes • HCl/ButONa system NiCl2Py2/IMes - HCl/ButONa 系统催化的唑与烯的烷基化反应
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4380-x
O. V. Khazipov, V. M. Chernyshev
{"title":"Alkylation of azoles with alkenes catalyzed by the NiCl2Py2/IMes • HCl/ButONa system","authors":"O. V. Khazipov,&nbsp;V. M. Chernyshev","doi":"10.1007/s11172-024-4380-x","DOIUrl":"10.1007/s11172-024-4380-x","url":null,"abstract":"<div><p>A new approach to the alkylation of azoles with alkenes catalyzed by the nickel complexes with N-heterocyclic carbenes (Ni/NHC) was developed. The catalytically active Ni/NHC complexes are formed <i>in situ</i> from the air-stable precursors: the nickel chloride complex with pyridine (NiCl<sub>2</sub>Py<sub>2</sub>), imidazolium salt IMes•HCl (IMes is 1,3-bis(2,4,6-trimethylphenyl)-1,3-dihydro-2<i>H</i>-imidazol-2-ylidene) as the carbene source, and sodium <i>tert</i>-butoxide (Bu<sup>t</sup>ONa). The advantages of the developed approach are availability of the components of the catalytic system, no necessity to apply special agents for the reduction of Ni<sup>II</sup> to Ni<sup>0</sup>, and simplification of the synthesis procedure.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2680 - 2686"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518855","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, experimental and theoretical studies of nitrosubstituted symmetric bis(spiropyran) of the indoline series 吲哚啉系列的硝基取代对称双（螺吡喃）的合成、实验和理论研究
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4384-6
I. V. Ozhogin, A. S. Kozlenko, S. D. Gogoleva, A. D. Pugachev, I. A. Rostovtseva, N. I. Makarova, P. V. Karpach, G. S. Borodkin, P. B. Chepurnoi, G. T. Vasilyuk, A. V. Metelitsa
{"title":"Synthesis, experimental and theoretical studies of nitrosubstituted symmetric bis(spiropyran) of the indoline series","authors":"I. V. Ozhogin,&nbsp;A. S. Kozlenko,&nbsp;S. D. Gogoleva,&nbsp;A. D. Pugachev,&nbsp;I. A. Rostovtseva,&nbsp;N. I. Makarova,&nbsp;P. V. Karpach,&nbsp;G. S. Borodkin,&nbsp;P. B. Chepurnoi,&nbsp;G. T. Vasilyuk,&nbsp;A. V. Metelitsa","doi":"10.1007/s11172-024-4384-6","DOIUrl":"10.1007/s11172-024-4384-6","url":null,"abstract":"<div><p>The synthesis of a new symmetric bis(spiropyran) of the indoline series existing as an equilibrium mixture of isomeric forms in various organic solvents is described. This equilibrium was in detail studied by dynamic NMR spectroscopy. In particular, the equilibrium constants were found at various temperatures, and the thermal effects of isomerization processes were calculated. The thermal transformations were studied by quantum chemical modeling. As a result, possible isomerization pathways were proposed and the observed ratio of the forms in the NMR spectra was explained. Photo- and thermochromic transformations were studied by UV spectroscopy, which revealed positive photochromic properties of the target compound. The observed changes in the absorption spectra with increasing temperature are completely consistent with the results of NMR studies. The nature of the absorption bands observed in the spectra was explained using time-dependent density functional theory (TD-DFT) calculations. The surface-enhanced Raman scattering (SERS) spectra of the synthesized compound on the surface of silver nanoparticles were detected and analyzed before and after UV irradiation to determine prospects for using similar bis(spiropyrans) as SERS markers and probes.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2708 - 2724"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518758","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
Determination of intracrystalline diffusion coefficient of organic solvents in metal organic framework adsorbents by zero-length column method 零长柱法测定金属有机框架吸附剂中有机溶剂的晶内扩散系数
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4368-6
Feng Xue, Chen Chu, Chen Zhang, Xuechao Gao, Shengui Ju
{"title":"Determination of intracrystalline diffusion coefficient of organic solvents in metal organic framework adsorbents by zero-length column method","authors":"Feng Xue,&nbsp;Chen Chu,&nbsp;Chen Zhang,&nbsp;Xuechao Gao,&nbsp;Shengui Ju","doi":"10.1007/s11172-024-4368-6","DOIUrl":"10.1007/s11172-024-4368-6","url":null,"abstract":"<div><p>A special setup was assembled to study solvent adsorption by metal organic frameworks (MOFs). A blank test was run to examine the noise level and the kinetic desorption curves for solvent molecules under different carrier gas (N<sub>2</sub>) flow rates were measured with the instrument error lying within a limited range. The desorption process could be adequately characterized by the transport of adsorbates in pores within MOFs. For the MOF samples NH<sub>2</sub>-MIL-101(Fe), HKUST-1, MIL-101(Cr), ZiF-67, and ZIF-8, the intercrystalline diffusion coefficient of ethanol, toluene, and propan-2-ol at 25, 35, and 45 °C were calculated and the activation energy was evaluated. The diffusion data obtained are in agreement with those reported earlier.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2572 - 2582"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518736","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
Current trends in organic chemistry: contribution of the N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences 当前有机化学的发展趋势：俄罗斯科学院 N. D. 泽林斯基有机化学研究所的贡献
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-10-26 DOI: 10.1007/s11172-024-4366-8
M. P. Egorov, V. P. Ananikov, E. G. Baskir, S. E. Boganov, V. I. Bogdan, A. N. Vereshchagin, V. A. Vil’, I. L. Dalinger, A. D. Dilman, O. L. Eliseev, S. G. Zlotin, E. A. Knyazeva, V. M. Kogan, L. O. Kononov, M. M. Krayushkin, V. B. Krylov, L. M. Kustov, V. V. Levin, B. V. Lichitsky, M. G. Medvedev, N. E. Nifantiev, O. A. Rakitin, A. M. Sakharov, I. V. Svitanko, G. A. Smirnov, A. Yu. Stakheev, M. A. Syroeshkin, A. O. Terent’ev, Yu. V. Tomilov, E. V. Tretyakov, I. V. Trushkov, L. L. Fershtat, V. A. Chaliy, V. Z. Shirinian
{"title":"Current trends in organic chemistry: contribution of the N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences","authors":"M. P. Egorov,&nbsp;V. P. Ananikov,&nbsp;E. G. Baskir,&nbsp;S. E. Boganov,&nbsp;V. I. Bogdan,&nbsp;A. N. Vereshchagin,&nbsp;V. A. Vil’,&nbsp;I. L. Dalinger,&nbsp;A. D. Dilman,&nbsp;O. L. Eliseev,&nbsp;S. G. Zlotin,&nbsp;E. A. Knyazeva,&nbsp;V. M. Kogan,&nbsp;L. O. Kononov,&nbsp;M. M. Krayushkin,&nbsp;V. B. Krylov,&nbsp;L. M. Kustov,&nbsp;V. V. Levin,&nbsp;B. V. Lichitsky,&nbsp;M. G. Medvedev,&nbsp;N. E. Nifantiev,&nbsp;O. A. Rakitin,&nbsp;A. M. Sakharov,&nbsp;I. V. Svitanko,&nbsp;G. A. Smirnov,&nbsp;A. Yu. Stakheev,&nbsp;M. A. Syroeshkin,&nbsp;A. O. Terent’ev,&nbsp;Yu. V. Tomilov,&nbsp;E. V. Tretyakov,&nbsp;I. V. Trushkov,&nbsp;L. L. Fershtat,&nbsp;V. A. Chaliy,&nbsp;V. Z. Shirinian","doi":"10.1007/s11172-024-4366-8","DOIUrl":"10.1007/s11172-024-4366-8","url":null,"abstract":"<div><p>A key goal of organic chemistry is to develop new principles for the control of reactions, which can be used to create promising materials demanded in all fields of scientific research and industry. This review is an overview of the scientific advances, which have been made by the N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences in the past decade within the framework of current trends in organic chemistry. The review covers the results, which are significant for fundamental research and hold great promise for the application in different areas, from the production of materials, petrochemistry, and chemical ecology to medicine, agriculture, and food industry.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"73 9","pages":"2423 - 2532"},"PeriodicalIF":1.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518737","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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