A. A. Perepechay, A. P. Krinochkin, A. V. Sukhov, E. A. Kudryashova, A. V. Gerasimov, V. S. Gaviko, D. V. Tkachenko, D. S. Kopchuk, G. V. Zyryanov, D. G. Yakhvarov
{"title":"Synthesis, Structure, and Thermochemical and Electrochemical Properties of Schiff Bases of the Pyridine and Quinoline Series","authors":"A. A. Perepechay, A. P. Krinochkin, A. V. Sukhov, E. A. Kudryashova, A. V. Gerasimov, V. S. Gaviko, D. V. Tkachenko, D. S. Kopchuk, G. V. Zyryanov, D. G. Yakhvarov","doi":"10.1134/S1070428025603310","DOIUrl":"10.1134/S1070428025603310","url":null,"abstract":"<p>A procedure has been proposed for the synthesis of pyridine and quinoline Schiff bases from the corresponding aldehydes and amines, which afforded the target products in more than 85% yield. Thermal decomposition pathways of the synthesized compounds have been identified by GC/MS and TG/DSC-MS analysis. They involve elimination of the hydrocarbon substituent from the imine fragment or the entire azomethine group with the formation of cationic 3-phenylpyridine and 6-substituted quinoline species. Cyclic voltammetric study of the title compounds has shown that their electrochemical reduction/oxidation is an irreversible process leading to fragmentation of the substrate molecules.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1342 - 1351"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144869030","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":"Carbonylation of Perfluorinated Propenylbenzenes, Indenes, and 1-Alkylideneindans in Antimony Pentafluoride","authors":"Ya. V. Zonov, V. M. Karpov, T. V. Mezhenkova","doi":"10.1134/S1070428025603322","DOIUrl":"10.1134/S1070428025603322","url":null,"abstract":"<p>The carbonylation of perfluorinated 3-arylpropenes ArCF<sub>2</sub>CF=CF<sub>2</sub> (Ar = C<sub>6</sub>F<sub>5</sub>, 3-CF<sub>3</sub>C<sub>6</sub>F<sub>4</sub>) in SbF<sub>5</sub> under atmospheric CO pressure at room temperature, followed by treatment of the reaction mixture with water or methanol, afforded (<i>Z</i>)-perfluoro-2-arylbut-2-enoic acids or their methyl esters, respectively. In contrast, perfluoro-2-phenylpropene failed to undergo carbonylation under similar conditions. Perfluorinated 3-methyl-1<i>H</i>-indene and 1-methylidene- and 1-ethylideneindanes in antimony pentafluoride added two carbon monoxide molecules, and the subsequent treatment of the reaction mixture with methanol gave dimethyl perfluoro-1-alkyl-1<i>H</i>-indene-1,3-dicarboxylate as the major carbonylation product.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1359 - 1368"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144869031","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}
S. S. Potapova, M. I. Valieva, E. A. Kudryashova, D. S. Kopchuk, T. A. Pospelova, G. V. Zyryanov
{"title":"A New Approach to 2,2′-Bipyridines with a Triptycen-2-amine Fragment","authors":"S. S. Potapova, M. I. Valieva, E. A. Kudryashova, D. S. Kopchuk, T. A. Pospelova, G. V. Zyryanov","doi":"10.1134/S1070428025602110","DOIUrl":"10.1134/S1070428025602110","url":null,"abstract":"<p>An efficient synthetic approach to 2,2′-bipyridines with a triptycen-2-ylamino [(9<i>R</i>,10<i>R</i>)-9,10-dihydro-9,10-[1,2]benzenoanthracen-2-ylamino] substituent at the α-position has been developed on the basis of 1,2,4-triazine precursors. The synthesis includes nucleophilic substitution of the cyano group in 3-(pyridine-2-yl)-1,2,4-triazine-carbonitriles, followed by the Boger reaction with norbornadiene.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1292 - 1295"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868592","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}
S. O. Kushch, M. V. Goryaeva, Ya. V. Burgart, M. A. Ezhikova, M. I. Kodess, P. A. Slepukhin, O. V. Koryakova, I. N. Ganebnykh, V. I. Saloutin
{"title":"Three-Component Cyclization of Phenyl 1,3-Dicarbonyls with α,β-Enaldehydes and 2-(Aminomethyl)aniline to Pyrido[2,1-b]quinazolines","authors":"S. O. Kushch, M. V. Goryaeva, Ya. V. Burgart, M. A. Ezhikova, M. I. Kodess, P. A. Slepukhin, O. V. Koryakova, I. N. Ganebnykh, V. I. Saloutin","doi":"10.1134/S1070428025602729","DOIUrl":"10.1134/S1070428025602729","url":null,"abstract":"<p>The three-component condensation of phenyl-substituted 1,3-dicarbonyl compounds, α,β-unsaturated aldehydes, and 2-(aminomethyl)aniline under mild conditions resulted in regio- and chemoselective formation of tetrahydro-7<i>H</i>-pyrido[2,1-<i>b</i>]quinazoline derivatives as mixtures of <i>trans</i> and <i>cis</i> diastereomers, most of which were isolated as individual isomers. Their steric structure was determined by <sup>1</sup>H and <sup>13</sup>C NMR spectroscopy, including two-dimensional <sup>1</sup>H–<sup>13</sup>C HSQC/HMBC and <sup>1</sup>H–<sup>1</sup>H NOESY experiments, as well as by X-ray analysis.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1205 - 1215"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868715","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}
D. A. Kazantsev, A. A. Denisov, M. S. Valova, P. A. Slepukhin, A. V. Pestov
{"title":"Synthesis, Molecular Structure, and Spectral Properties of Ethyl 3-Oxo-2-(2,4,6-trinitrophenyl)butanoate","authors":"D. A. Kazantsev, A. A. Denisov, M. S. Valova, P. A. Slepukhin, A. V. Pestov","doi":"10.1134/S1070428025603176","DOIUrl":"10.1134/S1070428025603176","url":null,"abstract":"<p>A preparative procedure has been developed for the synthesis of ethyl 3-oxo-2-(2,4,6-trinitrophenyl)butanoate in an overall yield of 76% under mild conditions from commercially available picric acid and ethyl acetoacetate. The product structure was confirmed by X-ray analysis and <sup>1</sup>H NMR spectroscopy. The UV spectroscopic data revealed that the title compound is capable of intramolecular charge transfer.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1199 - 1204"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868716","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}
Z. R. Valiullina, G. R. Sunagatullina, M. S. Miftakhov
{"title":"Alternative Pathways in Cesium Carbonate-Promoted Reactions of tert-Butyl 2-[(Diphenylmethylidene)amino]acetate with 2-Methyl-3-{[tert-butyl(dimethyl)silyl]oxy}propanoyl and Acetyl Chlorides","authors":"Z. R. Valiullina, G. R. Sunagatullina, M. S. Miftakhov","doi":"10.1134/S1070428025602997","DOIUrl":"10.1134/S1070428025602997","url":null,"abstract":"<p>The reaction of <i>tert</i>-butyl 2-[(diphenylmethylidene)amino]acetate with 2-methyl-3-{[<i>tert</i>-butyl(dimethyl)silyl]oxy}propanoyl chloride in methylene chloride in the presence of cesium carbonate afforded the corresponding β-lactam and acetylglycine derivative. Acetyl chloride reacted with <i>tert</i>-butyl 2-[(diphenylmethylidene)amino]acetate to produce <i>tert</i>-butyl 2-(acetamido)acetate as the only product with high chemoselectivity.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1384 - 1388"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868943","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}
T. K. Nguyen, S. A. Katkova, L. A. Kraeva, N. V. Rostovskii, M. A. Kinzhalov
{"title":"Palladium-Catalyzed Three-Component Coupling of 2-Iodoanilines, Isocyanides, and Carbon Dioxide","authors":"T. K. Nguyen, S. A. Katkova, L. A. Kraeva, N. V. Rostovskii, M. A. Kinzhalov","doi":"10.1134/S107042802560305X","DOIUrl":"10.1134/S107042802560305X","url":null,"abstract":"<p>The formation of quinazoline-2,4(1<i>H</i>,3<i>H</i>)-diones via palladium-catalyzed three-component coupling of <i>o</i>-iodoanilines, isocyanides, and carbon dioxide has been studied. The use of the coordinatively unsaturated phosphine complex [PdCl(μ-Cl)(PPh<sub>3</sub>)]<sub>2</sub> in DMF at 80°C under atmospheric CO<sub>2</sub> pressure provided quantitative yield of the target product in 3 h. Optimization of the reaction conditions, including solvent nature, temperature, and reactant ratio has been performed. The molecular mechanism of catalysis involving dynamic equilibrium between the monomeric and dimeric forms of palladium complexes has been proposed on the basis of ESI/HRMS analysis of key intermediates. A broad substrate scope of the reaction, including sterically hindered isocyanides, has been demonstrated. Biological screening of the synthesized quinazolinedione derivatives has shown that some of them exhibit moderate antibacterial activity against methicillin-resistant <i>S. aureus</i>.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1319 - 1331"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868857","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}
S. E. Vatolina, A. P. Krinochkin, T. A. Tseitler, A. A. Yurtaeva, A. S. Alekseeva, A. S. Markina, V. S. Gaviko, D. S. Kopchuk, G. V. Zyryanov
{"title":"Noncatalytic Synthesis of 5-[4-(Pyrrolidin-1-yl/piperidin-1-yl)phenyl](bi)pyridines","authors":"S. E. Vatolina, A. P. Krinochkin, T. A. Tseitler, A. A. Yurtaeva, A. S. Alekseeva, A. S. Markina, V. S. Gaviko, D. S. Kopchuk, G. V. Zyryanov","doi":"10.1134/S1070428025602183","DOIUrl":"10.1134/S1070428025602183","url":null,"abstract":"<p>The possibility of noncatalytic substitution of halogen at the <i>para</i>-position of 6-phenyl substituent in 1,2,4-triazines by a cyclic amine (pyrrolidine or piperidine) under solvent-free conditions has been studied. The resulting 1,2,4-triazines can be converted to the corresponding (bi)pyridine derivatives via the Boger reaction with norbornadiene under elevated pressure.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1304 - 1310"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868927","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. O. Khrapova, P. A. Volkov, A. A. Telezhkin, L. I. Larina
{"title":"Chemoselective Oxidative Cross-Coupling of Secondary Phosphine Chalcogenides with Mercaptoalkanols: Synthesis of S-Hydroxyalkyl Phosphinochalcogenothioates","authors":"K. O. Khrapova, P. A. Volkov, A. A. Telezhkin, L. I. Larina","doi":"10.1134/S1070428025602638","DOIUrl":"10.1134/S1070428025602638","url":null,"abstract":"<p>Oxidative cross-coupling of secondary phosphine chalcogenides with mercaptoalkanols in the presence of CCl<sub>4</sub>/Et<sub>3</sub>N at an equimolar reactant ratio under mild conditions (20–25°C, 2–7 h) afforded the corresponding <i>S</i>-hydroxyalkyl phosphinochalcogenothioates with high chemoselectivity in 76–89% isolated yield.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1273 - 1278"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868593","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}
I. P. Fonareva, E. E. Kolesnikova, E. V. Mitroshina, E. A. Marasanova, M. V. Vedunova, A. Yu. Fedorov, E. S. Shchegravina
{"title":"Design, Synthesis, and Biological Evaluation of New Monocarboxylate Transporter MCT1 Inhibitors Based on 1,5-Diarylpyrazoles","authors":"I. P. Fonareva, E. E. Kolesnikova, E. V. Mitroshina, E. A. Marasanova, M. V. Vedunova, A. Yu. Fedorov, E. S. Shchegravina","doi":"10.1134/S1070428025602870","DOIUrl":"10.1134/S1070428025602870","url":null,"abstract":"<p>A series of pyrazole derivatives containing an aryl or heteroaryl substituent on C<sup>5</sup> were synthesized according to the proposed scheme which involves Suzuki arylation of pyrazole as the key stage. The synthesized compounds were evaluated as inhibitors of monocarboxylate transporter (MCT) proteins. Compound <b>3a</b> with a chloropyridine substituent on C<sup>5</sup> of the pyrazole ring was found to be the most promising inhibitor of lactate transport into cells. Its activity at concentrations of 25 and 50 μM was comparable with the activity of the approved MCT1 inhibitor BAY-8002 used as reference.</p>","PeriodicalId":766,"journal":{"name":"Russian Journal of Organic Chemistry","volume":"61 7","pages":"1259 - 1272"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144868718","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}