A. V. Terebilenko, M. V. Olenchuk, G. I. Dovbeshko, I. E. Kotenko, V. P. Pashkevych, S. V. Kolotilov
{"title":"Influence of Composition of Nanosized MoS(2–x)Ox on Its Catalytic Properties in Bromoquinoline Hydrogenation Processes","authors":"A. V. Terebilenko, M. V. Olenchuk, G. I. Dovbeshko, I. E. Kotenko, V. P. Pashkevych, S. V. Kolotilov","doi":"10.1007/s11237-026-09876-w","DOIUrl":"10.1007/s11237-026-09876-w","url":null,"abstract":"<p>It is shown that the formation of nanosized MoS<sub>(2–<i>x</i>)</sub>O<sub><i>x</i></sub> under hydrothermal conditions with an increased thiourea content leads to a decrease in the oxygen content in the resulting material and doesn’t significantly affect its morphology. It has been established that in quinoline hydrogenation over MoS<sub>(2–<i>x</i>)</sub>O<sub><i>x</i></sub> samples with an increased sulfur content, the yield of 1,2,3,4-tetrahydroquinoline increases. The obtained MoS<sub>(2–<i>x</i>)</sub>O<sub><i>x</i></sub> oxysulfides catalyze the hydrogenation of isomeric bromoquinolines bearing a Br atom in the carbocyclic ring to form the corresponding bromine-containing 1,2,3,4-tetrahydroquinolines; in this case, the yields of these products generally decrease with increasing sulfur content in the catalyst.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 5","pages":"307 - 316"},"PeriodicalIF":0.9,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147872375","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}
N. I. Romanovska, G. V. Korzhak, V. M. Grebennikov, O. V. Shulzhenko, P. A. Manoryk
{"title":"Photocatalytic Activity of Sulfuric Acid-Modified TiO2 in the Processes of Doxycycline Photodegradation and Molecular Hydrogen Release","authors":"N. I. Romanovska, G. V. Korzhak, V. M. Grebennikov, O. V. Shulzhenko, P. A. Manoryk","doi":"10.1007/s11237-026-09880-0","DOIUrl":"10.1007/s11237-026-09880-0","url":null,"abstract":"<p>It has been established that during the hydrothermal sol–gel synthesis of sulfuric acid-modified TiO<sub>2</sub> nanostructures (S-TiO<sub>2</sub> nanostructures), a crystalline anatase phase is formed, which remains stable up to 800°C, and the anatase to rutile phase transition begins at 850°C. Increasing the calcination temperature of S-TiO<sub>2</sub> nanostructures gradually leads to the densification of loosely agglomerated anatase crystallites and, finally, their sintering, which leads to a decrease in the specific surface area. As a result, the photocatalytic activity of such nanostructures in the process of doxycycline photodegradation under visible light irradiation and hydrogen release from water–alcohol mixtures under ultraviolet light irradiation increases with elevating calcination temperature, but decreases exceeding after 470°C.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 5","pages":"346 - 353"},"PeriodicalIF":0.9,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147872395","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}
M. I. Arabadzhy, A. I. Frolov, S. A. Alekseev, E. M. Ostapchuk, V. V. Buryanov, S. V. Kolotilov
{"title":"Hydrogenation of Substituted Quinolines on Cobalt-Boron-Containing Catalysts","authors":"M. I. Arabadzhy, A. I. Frolov, S. A. Alekseev, E. M. Ostapchuk, V. V. Buryanov, S. V. Kolotilov","doi":"10.1007/s11237-026-09872-0","DOIUrl":"10.1007/s11237-026-09872-0","url":null,"abstract":"<p>It has been shown than the catalysts obtained by depositing cobalt and cobalt boride nanoparticles on Aerosil, exhibit higher performance in the hydrogenation of quinoline and substituted quinolines compared to a catalyst containing cobalt nanoparticles and carbonaceous particles formed via the pyrolysis of cobalt(II) complex with 1,2-diaminobenzene on Aerosil. The enhanced productivity of these systems may be associated with higher dispersion of cobalt-containing particles, the presence of cobalt boride Co<sub>2</sub>B, and hexagonal modification of Co in contrast to cubic one.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 4","pages":"277 - 284"},"PeriodicalIF":0.9,"publicationDate":"2026-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636955","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}
{"title":"Heterogeneous Photocatalytic Transformations of Organic and Inorganic Compounds Involving Chiral Substances: A Review","authors":"S. Ya. Kuchmiy","doi":"10.1007/s11237-026-09869-9","DOIUrl":"10.1007/s11237-026-09869-9","url":null,"abstract":"<p>The current state of research on heterogeneous systems based on chiral materials for the photocatalytic transformation of organic and inorganic substances is examined. Examples are provided illustrating methods for obtaining photoactive chiral covalent organic frameworks, coordination polymers, inorganic semiconductors, plasmonic catalysts, as well as complex systems integrating achiral photoactive components and chiral cocatalysts. Their application is demonstrated in initiating photocatalytic asymmetric synthesis of valuable organic stereoisomers, degradation of aquatic pollutants, and enhancing photocatalytic water splitting, CO<sub>2</sub> and N<sub>2</sub> reduction, and H<sub>2</sub>O<sub>2</sub> production. Potential directions for further research in this field are outlined.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 4","pages":"233 - 260"},"PeriodicalIF":0.9,"publicationDate":"2026-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636958","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}
M. O. Ogurtsov, O. S. Kruglyak, M. V. Borysenko, O. A. Pud
{"title":"Correction to: Effect of Nanostructuring in Nanocomposites of Carbon Nanotubes with Poly(3-Methylthiophene) on Their Physico-Chemical and Sensor Properties","authors":"M. O. Ogurtsov, O. S. Kruglyak, M. V. Borysenko, O. A. Pud","doi":"10.1007/s11237-026-09875-x","DOIUrl":"10.1007/s11237-026-09875-x","url":null,"abstract":"","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 4","pages":"305 - 305"},"PeriodicalIF":0.9,"publicationDate":"2026-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636956","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}
P. Jehani, D. Gautam, M. Kumar, M. Panchal, P. Gautam, R. K. Bera
{"title":"Sonochemical Preparation of Lidocaine N-Oxide and Its Pharmacokinetic Profile","authors":"P. Jehani, D. Gautam, M. Kumar, M. Panchal, P. Gautam, R. K. Bera","doi":"10.1007/s11237-026-09874-y","DOIUrl":"10.1007/s11237-026-09874-y","url":null,"abstract":"<p>It has been shown that sonochemical treatment in the process of Lidocaine oxidation leads to an increase in the yield of Lidocaine N-oxide (LNO) while reducing the reaction time. An ADME (absorption, distribution, metabolism, and excretion) analysis of Lidocaine and LNO was performed. According to in silico calculated ADME profile, LNO is characterized by high bioavailability, efficient absorption in the gastrointestinal tract, and slight inhibition of cytochrome P450, which is a sign of low interaction with other drugs. According to the results of the analysis of LNO interaction with the mutant p53 protein by the molecular docking method, the anticancer activity of this substance can be expected.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 4","pages":"295 - 304"},"PeriodicalIF":0.9,"publicationDate":"2026-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636959","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}
V. V. Pavlishchuk, A. W. Addison, V. Chechersky, N. S. Kopelev, L. K. Thompson
{"title":"Spin Crossover and Redox Behaviour of Iron(III) Complexes with Hexa- and Heptadentate Thioether Salicylaldiminate Ligands","authors":"V. V. Pavlishchuk, A. W. Addison, V. Chechersky, N. S. Kopelev, L. K. Thompson","doi":"10.1007/s11237-026-09870-2","DOIUrl":"10.1007/s11237-026-09870-2","url":null,"abstract":"<p>Iron(III) complexes with potentially hexa- and heptadentate oligothioether salicylaldiminates were synthesized. Electron spin resonance and Mössbauer spectra reveal the existence of spin crossover effects between 77 and 300 K. The compounds exhibit solvatochromic behaviour. Their cyclic voltammetry shows reversible one-electron electrochemical processes attributed to the iron(III)/iron(II) couple, while insertion of the additional (ether or thioether) donor atom into the ligand structure causes an anodic shift of the <i>E</i><sub>1/2</sub>, the thioether sulfur-atom substantially so. Evidence is presented for heptacoordination in the unique complex entailing the unusual heptadentate N<sub>2</sub>O<sub>2</sub>S<sub>3</sub> donor set.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 4","pages":"261 - 271"},"PeriodicalIF":0.9,"publicationDate":"2026-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636961","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}
K. V. Terebilenko, A. M. Popovych, V. Yu. Sirenko, M. S. Slobodyanyk
{"title":"Influence of Europium(III) Concentration on the Luminescent Properties of Lithium–Bismuth Molybdate-Based Solid Solutions","authors":"K. V. Terebilenko, A. M. Popovych, V. Yu. Sirenko, M. S. Slobodyanyk","doi":"10.1007/s11237-026-09871-1","DOIUrl":"10.1007/s11237-026-09871-1","url":null,"abstract":"<p>The formation, structure, and luminescent properties of LiBi<sub>1–x</sub>Eu<sub>x</sub>(MoO<sub>4</sub>)<sub>2</sub> (x = 0,01-1,00) solid solutions synthesized by solid-state sintering have been studied. X-ray diffraction confirmed the formation of a single-phase tetragonal scheelite-type structure (I4<sub>1/a</sub>) corresponding to the isovalent substitution Bi<sup>3+</sup>→Eu<sup>3+</sup>. All samples exhibit red luminescence arising from the <sup>5</sup>D<sub>0</sub>→<sup>7</sup>F<sub>j</sub> (j = 1-4) transitions of Eu<sup>3+</sup> ions, with the maximum intensity observed for LiBi<sub>0.7</sub>Eu<sub>0.3</sub>(MoO<sub>4</sub>)<sub>2</sub>. Th. The obtained results highlight the potential of these solid solutions as promising red phosphors for optoelectronic applications.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 4","pages":"272 - 276"},"PeriodicalIF":0.9,"publicationDate":"2026-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636960","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}
O. P. Grigoryeva, D. M. Shulzhenko, K. G. Gusakova, O. M. Starostenko, O. M. Fainleib, D. Grande
{"title":"Catalytic and Synergistic Effects of Aminoethylaminopropylisobutyl Polyhedral Oligomeric Silsesquioxane in the Formation of Heat-resistant Hybrid Organic-INORGANIC Polycyanurate Nanocomposites","authors":"O. P. Grigoryeva, D. M. Shulzhenko, K. G. Gusakova, O. M. Starostenko, O. M. Fainleib, D. Grande","doi":"10.1007/s11237-026-09873-z","DOIUrl":"10.1007/s11237-026-09873-z","url":null,"abstract":"<p>It is shown that aminoethylaminopropylisobutyl polyhedral oligomeric silsesquioxane (AEAPIB-POSS) reveals a catalytic effect on the rate of the polycyanurate network (PCN) formation, namely with an increase in its content from 0.05 to 1.0 wt.%, the reaction rate increases by 103-512%. A synergistic effect of AEAPIB-POSS on viscoelastic properties of the created hybrid organic-inorganic PCN/AEAPIB-POSS nanocomposites is found, which is manifested in non-additive enhancement of viscoelastic properties, such as elasticity modulus and glass transition temperature in comparison with PCN. The chemical incorporation of AEAPIB-POSS into PCN is confirmed by FTIR, <sup>1</sup>H and <sup>13</sup>C NMR methods.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 4","pages":"285 - 294"},"PeriodicalIF":0.9,"publicationDate":"2026-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147636957","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}
{"title":"Chirality in Biology, Luminescence, Catalysis, and Spintronics: An Analysis of New Approaches: A Review","authors":"T. V. Sakhno, B. P. Minaev, Y. E. Sakhno","doi":"10.1007/s11237-026-09862-2","DOIUrl":"10.1007/s11237-026-09862-2","url":null,"abstract":"<p>Current hypotheses and experimental data concerning the origin of biological homochirality, a phenomenon in which living systems predominantly use L-amino acids and D-sugars, are analyzed in the review. Various physical and chemical factors that may lead to the formation of an enantiomeric excess are considered.</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":"61 3","pages":"155 - 179"},"PeriodicalIF":0.9,"publicationDate":"2026-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090988","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}