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Photocatalytic Activity of Nanoheterostructures C3N4/CoTiO3 in Hydrogen Evolution from Water–Alcohol Solutions Under Visible Light Irradiation 纳米超结构 C3N4/CoTiO3 在可见光照射下从水-醇溶液中生成氢气的光催化活性
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-09-26 DOI: 10.1007/s11237-024-09806-8
M. L. Ovcharov, T. R. Stara, G. V. Korzhak, S. Ya. Kuchmiy
{"title":"Photocatalytic Activity of Nanoheterostructures C3N4/CoTiO3 in Hydrogen Evolution from Water–Alcohol Solutions Under Visible Light Irradiation","authors":"M. L. Ovcharov,&nbsp;T. R. Stara,&nbsp;G. V. Korzhak,&nbsp;S. Ya. Kuchmiy","doi":"10.1007/s11237-024-09806-8","DOIUrl":"10.1007/s11237-024-09806-8","url":null,"abstract":"<p>Nanocomposites based on crystalline carbon nitride (CGCN) and cobalt titanate (CoTiO<sub>3</sub>) have been synthesized and characterized by a number of physico-chemical methods (electron microscopy, electron and IR spectrophotometry, luminescence spectroscopy, and X-ray diffraction). It is concluded based on the analysis of the obtained results, in particular, the luminescence characteristics and Mott–Schottky dependences, that the S-scheme of separation of photogenerated charges between components is realized during the formation of CGCN/CoTiO<sub>3</sub> composites. This leads to a decrease in the recombination of electron–hole pairs and an increase in the efficiency of hydrogen evolution from water–ethanol solutions when compared to the presence of CGCN. The effective quantum yield of hydrogen formation is ~90% under light irradiation at λ = 405 nm with the participation of the composite of the optimal composition.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 1","pages":"31 - 40"},"PeriodicalIF":0.7,"publicationDate":"2024-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142414192","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 Design of Mg(II)/Fe(III)-Layered Double Hydroxides and Their Sorption Properties Toward Ibuprofen 镁（II）/铁（III）层状双氢氧化物的化学设计及其对布洛芬的吸附特性
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-09-25 DOI: 10.1007/s11237-024-09810-y
T. S. Hubetska, V. Ya. Demchenko, N. G. Kobylinska
{"title":"Chemical Design of Mg(II)/Fe(III)-Layered Double Hydroxides and Their Sorption Properties Toward Ibuprofen","authors":"T. S. Hubetska,&nbsp;V. Ya. Demchenko,&nbsp;N. G. Kobylinska","doi":"10.1007/s11237-024-09810-y","DOIUrl":"10.1007/s11237-024-09810-y","url":null,"abstract":"<p>The features of the synthesis and the structure formation of homogenous phases of Mg(II),Fe(III)-layered double hydroxides with different Mg/Fe ratio in the reaction mixtures have been investigated. The effect of synthesis conditions of the materials, arrangement and molar ratio of the cations in a brucite-like layer, and polytypes of crystalline structure on the sorption properties toward ibuprofen has been studied. The sorption isotherms of ibuprofen on the synthesized sorbents at pH<sub>0</sub> = 7,0 are satisfyingly fitted by the Langmuir model. The influence of the Mg<sup>2+</sup>/Fe<sup>3+</sup> molar ratio and, respectively, the dimensions of the interlayer space on the maximum adsorption capacities toward ibuprofen in the aqueous solution is not observed. These results can be explained by the interaction of the adsorbate with the surface hydroxyl groups of brucite-like layers, as well as complexing reactions with structure-forming cations of the obtained sorbents.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 1","pages":"64 - 75"},"PeriodicalIF":0.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142413776","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
Effect of Formation Temperature of Zirconium Dioxide on its Phase Composition and the Efficiency of Adsorptive Removal of Phosphate Anions from a Water Solution 二氧化锆的形成温度对其相组成和吸附去除水溶液中磷阴离子效率的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-09-25 DOI: 10.1007/s11237-024-09809-5
I. A. Farbun, V. A. Trykhlib, M. V. Kravchenko, O. I. Oranskaya, M. M. Tsyba
{"title":"Effect of Formation Temperature of Zirconium Dioxide on its Phase Composition and the Efficiency of Adsorptive Removal of Phosphate Anions from a Water Solution","authors":"I. A. Farbun,&nbsp;V. A. Trykhlib,&nbsp;M. V. Kravchenko,&nbsp;O. I. Oranskaya,&nbsp;M. M. Tsyba","doi":"10.1007/s11237-024-09809-5","DOIUrl":"10.1007/s11237-024-09809-5","url":null,"abstract":"<p>Zirconium dioxide samples with different crystallinity and phase compositions have been obtained by calcination of a mixture of zirconium oxychloride and sodium bicarbonate at temperatures ranging from 150 to 800°C. It is established that amorphous ZrO<sub>2</sub> with an zirconium oxycarbonate admixture is formed at 150-200°C. A sample obtained at 400°C contains 50% of the tetragonal phase and 50% of the amorphous ZrO<sub>2</sub> phase, while a mixture of tetragonal and monoclinic phases is formed at 600°C and 800°C (83% of t-ZrO<sub>2</sub>/17% m-ZrO<sub>2</sub> and 27% of t-ZrO<sub>2</sub>/73% m-ZrO<sub>2</sub>, respectively). It is shown that zirconium dioxide obtained at 150°C has the highest efficiency of adsorptive removal of phosphate anions from an water solution as compared with other studied samples.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 1","pages":"57 - 63"},"PeriodicalIF":0.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142413774","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
Catalytic Hydrodehalogenation of Haloarenes: Electron Transfer Reactions and Related Transformations: a Review 卤代烃的催化氢卤化：电子转移反应及相关转化：综述
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-09-25 DOI: 10.1007/s11237-024-09805-9
V. Sh. Saberov, G. F. Rayenko, A. S. Avksentiev, L. M. Vakhitova, N. I. Korotkikh
{"title":"Catalytic Hydrodehalogenation of Haloarenes: Electron Transfer Reactions and Related Transformations: a Review","authors":"V. Sh. Saberov,&nbsp;G. F. Rayenko,&nbsp;A. S. Avksentiev,&nbsp;L. M. Vakhitova,&nbsp;N. I. Korotkikh","doi":"10.1007/s11237-024-09805-9","DOIUrl":"10.1007/s11237-024-09805-9","url":null,"abstract":"<p>New catalytic methods of hydrodehalogenation reaction of haloarenes for the disposal of toxic production waste and persistent organic pollutants, fine organic synthesis, and solution of green chemistry issues are discussed. Methods presented in the review are based on electron transfer reactions involving photo- and electrocatalytic processes, including those with the participation of metal nanoparticles. Reactions of deuterodehalogenation of haloarenes and several aspects of biological methods of the process are analyzed.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 1","pages":"3 - 30"},"PeriodicalIF":0.7,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142413670","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
Blocking of Protease Mpro of SARS-CoV-2 Coronavirus by 2-Formyl-8-Methyl-3-Carbethoxy Quinoline 2-Formyl-8-Methyl-3-Carbethoxy Quinoline 对 SARS-CoV-2 冠状病毒蛋白酶 Mpro 的阻断作用
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-09-24 DOI: 10.1007/s11237-024-09808-6
A. Franklin Ebenazer, R. Selva Kumar, M. Saravanabhavan, K. S. Ramesh, N. Sampathkumar
{"title":"Blocking of Protease Mpro of SARS-CoV-2 Coronavirus by 2-Formyl-8-Methyl-3-Carbethoxy Quinoline","authors":"A. Franklin Ebenazer,&nbsp;R. Selva Kumar,&nbsp;M. Saravanabhavan,&nbsp;K. S. Ramesh,&nbsp;N. Sampathkumar","doi":"10.1007/s11237-024-09808-6","DOIUrl":"10.1007/s11237-024-09808-6","url":null,"abstract":"<p>According to molecular docking results (in silico calculations), main protease M<sup>pro</sup> of SARS-CoV-2 coronavirus can be blocked by 2-formyl-8-methyl-3-carbethoxy quinoline. The calculations as well as estimation of ADME profile (absorption, distribution, metabolism, and excretion) of this compound provide grounds to consider it as active ingredient against COVID-19 coronavirus, its efficiency is comparable with known inhibitors of SARS-CoV-2. The structure of 2-formyl-8-methyl-3-carbethoxy quinoline is determined by X-ray structure analysis.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 1","pages":"49 - 56"},"PeriodicalIF":0.7,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142413556","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
To the 150th Anniversary of the Birth of Professor L. V. Pisarzhevskii, Member of the Academy of Sciences 纪念科学院院士 L. V. 皮萨热夫斯基教授诞辰 150 周年
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-09-23 DOI: 10.1007/s11237-024-09804-w
{"title":"To the 150th Anniversary of the Birth of Professor L. V. Pisarzhevskii, Member of the Academy of Sciences","authors":"","doi":"10.1007/s11237-024-09804-w","DOIUrl":"10.1007/s11237-024-09804-w","url":null,"abstract":"","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 1","pages":"1 - 2"},"PeriodicalIF":0.7,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142413333","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
Influence of Chromium in Cr/Zn-Bea Metal–Zeolite Composites on Their Acid–Base Characteristics and Catalytic Properties in the Processes of Propane Dehydrogenation 铬/锌-铍金属沸石复合材料中的铬对其在丙烷脱氢过程中的酸碱特性和催化性能的影响
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-09-23 DOI: 10.1007/s11237-024-09807-7
S. M. Orlyk, N. V. Vlasenko, V. I. Chedryk, A. Y. Kapran, S. Dzwigaj
{"title":"Influence of Chromium in Cr/Zn-Bea Metal–Zeolite Composites on Their Acid–Base Characteristics and Catalytic Properties in the Processes of Propane Dehydrogenation","authors":"S. M. Orlyk,&nbsp;N. V. Vlasenko,&nbsp;V. I. Chedryk,&nbsp;A. Y. Kapran,&nbsp;S. Dzwigaj","doi":"10.1007/s11237-024-09807-7","DOIUrl":"10.1007/s11237-024-09807-7","url":null,"abstract":"<p>According to the quasi-equilibrium NH<sub>3</sub> and CO<sub>2</sub> thermal desorption data, the effect of chromium in the composition of zinc-containing BEA zeolites with different Si/Al ratios on their acid–base characteristics and catalytic properties in the process of dehydrogenation of propane to propene with or without CO<sub>2</sub> has been determined. A positive effect on the propane conversion and the propene selectivity is found for a catalyst based on the initial Cr/ZnAlBEA zeolite (Si/Al = 17). Higher propane conversion is achieved in the process of propane dehydrogenation with the participation of CO<sub>2</sub> in the presence of Cr/Zn-BEA catalysts, but with lower propene selectivity when compared to the propane dehydrogenation process without CO<sub>2</sub>.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"60 1","pages":"41 - 48"},"PeriodicalIF":0.7,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142413332","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
Mechanochemical and Sonochemical Obtaining of Nanosized Oxides Materials and Catalysts: A Review 纳米氧化物材料和催化剂的机械化学和声化学制备：综述
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-06-06 DOI: 10.1007/s11237-024-09797-6
V. O. Zazhigalov, O. V. Sachuk, O. V. Kiziun, O. A. Diyuk, I. V. Bacherikova
{"title":"Mechanochemical and Sonochemical Obtaining of Nanosized Oxides Materials and Catalysts: A Review","authors":"V. O. Zazhigalov,&nbsp;O. V. Sachuk,&nbsp;O. V. Kiziun,&nbsp;O. A. Diyuk,&nbsp;I. V. Bacherikova","doi":"10.1007/s11237-024-09797-6","DOIUrl":"10.1007/s11237-024-09797-6","url":null,"abstract":"<p>The promising application of mechanochemical (MC) and sonochemical (SC) synthesis methods for the obtaining of nano-dispersed oxide materials with a perovskite structure (BaTiO<sub>3</sub>, CaTiO<sub>3</sub>, and LiNbO<sub>3</sub>) and higher specific surface value as compared to samples obtained by traditional methods is shown. Synthesized samples exhibit high photocatalytic activity in the oxidative degradation of metronidazole and chloramphenicol drugs, as well as a promethrin herbicide in an aqueous medium exceeding known analogs. The possibilities of MC and SC in the synthesis of zinc and bismuth molybdates with the obtaining of their nanostructures with different morphologies, in particular bars, needles, rods, and spheres, are shown. It is established that prepared samples demonstrate high activity in the processes of ethanol oxidation to acetaldehyde (β-ZnMoO<sub>4</sub>) or acetic acid (α-ZnMoO<sub>4</sub>), oxidative dehydrogenation of hydrocarbons of the industrial fraction of oil processing with the obtaining of 1,3-butadiene (Bi<sub>2</sub>Mo<sub>3</sub>O<sub>12</sub>).</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"59 6","pages":"377 - 396"},"PeriodicalIF":0.7,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141377356","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
Methanation of Carbon Dioxide on Co-Containing Aluminosilicate Catalysts 在共含硅酸铝催化剂上甲烷化二氧化碳
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-06-04 DOI: 10.1007/s11237-024-09803-x
Sh.F. Tagiyeva, S. N. Osmanova, A. I. Rustamova, D. B. Tagiyev, E. H. Ismailov
{"title":"Methanation of Carbon Dioxide on Co-Containing Aluminosilicate Catalysts","authors":"Sh.F. Tagiyeva,&nbsp;S. N. Osmanova,&nbsp;A. I. Rustamova,&nbsp;D. B. Tagiyev,&nbsp;E. H. Ismailov","doi":"10.1007/s11237-024-09803-x","DOIUrl":"10.1007/s11237-024-09803-x","url":null,"abstract":"<p>Results of the study of CO<sub>2</sub> methanation on Co-containing catalysts based on Siral aluminosilicates with different SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> ratios (1, 10, and 40) are presented. It is shown that methane is the main product at temperatures up to 573 K, its yield varies depending on the SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> ratio of aluminosilicate. Carbon monoxide is formed along with methane at temperatures above 573 K. Maximum methane yields of 55% and 41% (at 573 K) are achieved on Co/Siral-1 and Co/Siral-10 catalysts. It is shown that catalysts reduced in a hydrogen flow are characterized by the presence of superpara/ferromagnetic particles and magnetic resonance parameters of their EMR spectra significantly depends on the SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> ratio of the aluminosilicate. It is assumed that the superpara/ferromagnetic particles formed during high-temperature hydrogen treatment of Co-containing aluminosilicates are catalytically active particles in the methanation of carbon dioxide.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"59 6","pages":"434 - 441"},"PeriodicalIF":0.7,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141259180","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
Catalytic Properties of Sterically Shielded Carbene Complexes of Palladium in C–C and C–N Coupling Reactions of Haloarenes 卤代烃 C-C 和 C-N 偶联反应中钯的立体屏蔽碳烯配合物的催化特性
IF 0.7 4区 化学
Theoretical and Experimental Chemistry Pub Date : 2024-06-03 DOI: 10.1007/s11237-024-09801-z
V. Sh. Saberov, N. I. Korotkikh, A. S. Avksentiev, V. I. Yenya, G. F. Rayenko
{"title":"Catalytic Properties of Sterically Shielded Carbene Complexes of Palladium in C–C and C–N Coupling Reactions of Haloarenes","authors":"V. Sh. Saberov,&nbsp;N. I. Korotkikh,&nbsp;A. S. Avksentiev,&nbsp;V. I. Yenya,&nbsp;G. F. Rayenko","doi":"10.1007/s11237-024-09801-z","DOIUrl":"10.1007/s11237-024-09801-z","url":null,"abstract":"<p>New carbene complex catalysts based on palladium chloride, including PEPPSI-complexes (PEPPSI = Pyridine-Enhanced Precatalyst Preparation Stabilization and Initiation), have been synthesized. These catalysts show high efficiency in Buchwald–Hartwig C–N cross-coupling between aryl chlorides/bromides and amines, including sterically shielded reagents, and high efficiency in the Suzuki–Miyaura C–C cross-coupling reaction, where their use results in the formation of several tetra-ortho-substituted biaryls at very low amounts of catalyst under mild conditions. Modification of the catalyst structure to the PEPPSI complex leads to an unexpected decrease in activity in the Buchwald–Hartwig amination, in contrast to the Suzuki–Miyaura reaction, in which the PEPPSI complex showed greater activity in some cases.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"59 6","pages":"418 - 426"},"PeriodicalIF":0.7,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141271287","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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