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Nanosized systems of aluminum phthalocyanine and amphiphilic copolymers of N-vinylpyrrolidone with mono- and dimethacrylates for photodynamic therapy and fluorescence diagnostics 用于光动力疗法和荧光诊断的纳米级酞菁铝系统以及 N-乙烯基吡咯烷酮与单甲基和二甲基丙烯酸酯的两性共聚物
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.007
Svetlana V. Kurmaz, Ivan V. Ulyanov, Nina S. Emelyanova, Vladimir A. Kurmaz, Alexey V. Kozlov, Lev R. Sizov, Alexander Yu. Rybkin
{"title":"Nanosized systems of aluminum phthalocyanine and amphiphilic copolymers of N-vinylpyrrolidone with mono- and dimethacrylates for photodynamic therapy and fluorescence diagnostics","authors":"Svetlana V. Kurmaz,&nbsp;Ivan V. Ulyanov,&nbsp;Nina S. Emelyanova,&nbsp;Vladimir A. Kurmaz,&nbsp;Alexey V. Kozlov,&nbsp;Lev R. Sizov,&nbsp;Alexander Yu. Rybkin","doi":"10.1016/j.mencom.2024.06.007","DOIUrl":"10.1016/j.mencom.2024.06.007","url":null,"abstract":"<div><p>Water-soluble nanosized systems of aluminum phthalo- cyanine, which is a promising photosensitizer for photodynamic therapy and fluorescence diagnostics, were obtained by encapsulating it in biocompatible copolymers of <em>N</em>-vinylpyrrolidone with mono- and dimethacrylates. The physicochemical (water solubility, stability and size of nanoparticles) and photophysical (absorption and fluorescence) properties of the resulting nanoparticles in aqueous solution were determined. Quantum chemical modeling revealed the formation of coordination bonds between the Al atom of the dye and the oxygen atoms of all monomer units.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 492-495"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141952358","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, reactivity, and catalytic application of tetraphenylcyclobutadiene iridium complexes 四苯基环丁二烯铱络合物的合成、反应性和催化应用
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.025
Nikita V. Shvydkiy, Yulia V. Nelyubina, Dmitry S. Perekalin
{"title":"Synthesis, reactivity, and catalytic application of tetraphenylcyclobutadiene iridium complexes","authors":"Nikita V. Shvydkiy,&nbsp;Yulia V. Nelyubina,&nbsp;Dmitry S. Perekalin","doi":"10.1016/j.mencom.2024.06.025","DOIUrl":"10.1016/j.mencom.2024.06.025","url":null,"abstract":"<div><p>Reaction of [(coe)<sub>2</sub>IrCl]<sub>2</sub> (coe = cyclooctene) with AgPF<sub>6</sub>, arene (toluene, <em>p</em>-xylene, mesitylene), and diphenylacetylene, followed by counter anion exchange to BARF<sup>–</sup>, gives cyclobutadiene iridium complexes [(C<sub>4</sub>Ph<sub>4</sub>)Ir(arene)]BARF in 10–22% yield. Replacement of toluene in [(C<sub>4</sub>Ph<sub>4</sub>)Ir(toluene)]BARF by various ligands (trimethyl-phosphite, 1,3,5-triaza-7-phosphaadamantane, <em>tert</em>-butyl isonitrile) provides access to the half-sandwich cyclobuta-diene iridium complexes [(C<sub>4</sub>Ph<sub>4</sub>)Ir(L)<sub>3</sub>]BARF. Complex [(C<sub>4</sub>Ph<sub>4</sub>)Ir(toluene)]BARF in combination with [NBnEt<sub>3</sub>]Cl catalyses the insertion reaction between phenyl diazoacetate and various amines.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 547-549"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141952361","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 new functionalized thiazolidin-4-ones by the condensation of thioureas with dialkyl acetylenedicarboxylates 通过硫脲类化合物与乙炔二羧酸二烷基酯的缩合合成新的官能化噻唑烷-4-酮
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.031
Andrey A. Streltsov, Alexei N. Izmest’ev, Yurii A. Strelenko, Angelina N. Kravchenko, Galina A. Gazieva
{"title":"Synthesis of new functionalized thiazolidin-4-ones by the condensation of thioureas with dialkyl acetylenedicarboxylates","authors":"Andrey A. Streltsov,&nbsp;Alexei N. Izmest’ev,&nbsp;Yurii A. Strelenko,&nbsp;Angelina N. Kravchenko,&nbsp;Galina A. Gazieva","doi":"10.1016/j.mencom.2024.06.031","DOIUrl":"10.1016/j.mencom.2024.06.031","url":null,"abstract":"<div><p>Thiazolidin-4-ones functionalized at the position 5 and their heterocycle-annulated analogues were obtained based on the reaction of thioureas with dialkyl acetylenedicarboxylates. In most cases the reaction proceeds with high selectivity to form 2-iminothiazolidin-4-one-type products.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 563-565"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141952364","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
Reactions of 1-alkylsulfanyl- and 1-alkylsulfonyl- 2,3,5,6-tetrafluorobenzenes with nitromethane and DBU 1- 烷基硫酰基和 1- 烷基磺酰基-2,3,5,6-四氟苯与硝基甲烷和 DBU 的反应
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.021
Borislav V. Koshcheev, Alexander M. Maksimov, Rodion V. Andreev
{"title":"Reactions of 1-alkylsulfanyl- and 1-alkylsulfonyl- 2,3,5,6-tetrafluorobenzenes with nitromethane and DBU","authors":"Borislav V. Koshcheev,&nbsp;Alexander M. Maksimov,&nbsp;Rodion V. Andreev","doi":"10.1016/j.mencom.2024.06.021","DOIUrl":"10.1016/j.mencom.2024.06.021","url":null,"abstract":"<div><p>1-Alkylsulfanyl-4-X-2,3,5,6-tetrafluorobenzenes (X = CF<sub>3</sub>, H; alkyl = Me, Bn, CHF<sub>2</sub>) upon reactions with nitromethane in the presence of DBU undergo replacement of 2 or 3-positioned fluorine atoms by a nitromethyl group to afford the corresponding (nitromethyl)trifluoroarenes. The calculations of the transition states using the DFT method correctly predict the ratios of reaction products. In the cases of relative sulfones, only 2-positioned fluorine atom undergoes substitution; however, the sulfonyl group can also be displaced by a nitromethyl moiety.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 533-535"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141952366","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
Unsymmetrical cationic porphyrin that forms sedimentation-unstable complexes with nucleic acids 与核酸形成沉降不稳定复合物的不对称阳离子卟啉
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.018
Natalya Sh. Lebedeva , Elena S. Yurina , Aleksey N. Kiselev , Mikhail A. Lebedev , Sergey A. Syrbu
{"title":"Unsymmetrical cationic porphyrin that forms sedimentation-unstable complexes with nucleic acids","authors":"Natalya Sh. Lebedeva ,&nbsp;Elena S. Yurina ,&nbsp;Aleksey N. Kiselev ,&nbsp;Mikhail A. Lebedev ,&nbsp;Sergey A. Syrbu","doi":"10.1016/j.mencom.2024.06.018","DOIUrl":"10.1016/j.mencom.2024.06.018","url":null,"abstract":"<div><p>A water-soluble cationic porphyrin containing <em>N</em>-methyl- pyridinium fragments and an indole residue, namely, 5-[4-(1-methylindol-2-yl)phenyl]-10,15,20-tris(1-methyl- pyridinium-3-yl)porphyrin triiodide, has been synthesized. The porphyrin forms sedimentation unstable complexes with low and high molecular weight nucleic acids. This ability to precipitate nucleic acids can be used in laboratory, clinical and research practice for isolating nucleic acids.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 525-527"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141960058","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 3-(2,3,5,6-tetrafluoropyridinylthio)pyrazoles from 3-aminopyrazoles 从 3-氨基吡唑合成 3-(2,3,5,6-四氟吡啶硫基)吡唑
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.020
Denis S. Koltun, Alexander D. Dilman
{"title":"Synthesis of 3-(2,3,5,6-tetrafluoropyridinylthio)pyrazoles from 3-aminopyrazoles","authors":"Denis S. Koltun,&nbsp;Alexander D. Dilman","doi":"10.1016/j.mencom.2024.06.020","DOIUrl":"10.1016/j.mencom.2024.06.020","url":null,"abstract":"<div><p>Pyrazoles bearing (2,3,5,6-tetrafluoropyridinyl)thio group were obtained from 3-aminopyrazoles. The reaction is performed by diazotization of starting amines followed by treatment of the intermediate diazonium salts with 2,3,5,6-tetrafluoropyridine-4-thiol and potassium carbonate. The method is best applied towards 4-substituted 3-aminopyrazoles.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 531-532"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141962815","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
Features of dilute methane–oxygen flame front propagation towards combustible gas flow created by the fan 稀甲烷-氧气火焰前沿向风机产生的可燃气体流传播的特点
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.035
Nikolai M. Rubtsov , Victor I. Chernysh , Georgii I. Tsvetkov , Kirill Ya. Troshin
{"title":"Features of dilute methane–oxygen flame front propagation towards combustible gas flow created by the fan","authors":"Nikolai M. Rubtsov ,&nbsp;Victor I. Chernysh ,&nbsp;Georgii I. Tsvetkov ,&nbsp;Kirill Ya. Troshin","doi":"10.1016/j.mencom.2024.06.035","DOIUrl":"10.1016/j.mencom.2024.06.035","url":null,"abstract":"<div><p>Experiments with dilute methane–oxygen mixtures at pressures of 100–200 Torr on the flame front propagation towards the flow of combustible gas created by a fan showed that both the mean flame velocity and the length of the ‘flame jump’ through a hole in a flat obstacle increase with increasing counter flow velocity; <em>i.e.</em>, the flame accelerates towards the counter flow of combustible gas from the fan.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 576-578"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141963693","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 X-ray structure of potent anticancer 4-(4-methoxyphenyl)-3-(3,4,5-trimethoxyphenyl)isoxazole 强效抗癌剂 4-(4-甲氧基苯基)-3-(3,4,5-三甲氧基苯基)异噁唑的合成和 X 射线结构
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.013
Victor P. Kislyi , Anna S. Maksimenko , Aida I. Samigullina , Marina N. Semenova , Victor V. Semenov
{"title":"Synthesis and X-ray structure of potent anticancer 4-(4-methoxyphenyl)-3-(3,4,5-trimethoxyphenyl)isoxazole","authors":"Victor P. Kislyi ,&nbsp;Anna S. Maksimenko ,&nbsp;Aida I. Samigullina ,&nbsp;Marina N. Semenova ,&nbsp;Victor V. Semenov","doi":"10.1016/j.mencom.2024.06.013","DOIUrl":"10.1016/j.mencom.2024.06.013","url":null,"abstract":"<div><p>The three-step synthesis of potent anticancer 4-(4-methoxy- phenyl)-3-(3,4,5-trimethoxyphenyl)isoxazole starting from 1,2,3-trimethoxy-5-(nitromethyl)benzene and anisaldehyde was developed. In phenotypic sea urchin embryo assay, this compound exhibited antimitotic antitubulin activity comparable to that of the natural cytostatic combretastatin A4 (CA4). The title isoxazole inhibited <em>in vitro</em> growth of A549 human lung cancer cells and PC-3 human prostate cancer cells with IC<sub>50</sub> values of 8 and 6 nm, respectively, exceeding the effect of CA4.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 511-513"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141963703","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
Photoluminescence and thermoluminescence studies of Dy3+-activated LaCePO4 phosphor Dy3+ 激活的 LaCePO4 荧光的光致发光和热致发光研究
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.041
K. Lakshmi , M.C. Rao , Vikas Dubey , K.V.R. Murthy
{"title":"Photoluminescence and thermoluminescence studies of Dy3+-activated LaCePO4 phosphor","authors":"K. Lakshmi ,&nbsp;M.C. Rao ,&nbsp;Vikas Dubey ,&nbsp;K.V.R. Murthy","doi":"10.1016/j.mencom.2024.06.041","DOIUrl":"10.1016/j.mencom.2024.06.041","url":null,"abstract":"<div><p>The LaCePO<sub>4</sub>:Dy<sup>3+</sup> luminescence experiments revealed the excitation peak at 275 nm which gives the emission spectra in visible region with intensive peaks centered at 475 and 573 nm. The emission spectra showed the transition from <sup>4</sup>F<sub>9/2</sub> to the ground energy state. The prepared phosphor may be useful for display applications in white light emission and thermoluminescence dosimeters.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 595-597"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141951807","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
Stabilization of the perovskite phase of CsPbI3 with isonipecotic acid 用异壬癸酸稳定 CsPbI3 的包晶相
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-07-01 DOI: 10.1016/j.mencom.2024.06.004
Nadezhda N. Dremova , Gennady V. Shilov , Pavel A. Troshin , Lyubov A. Frolova
{"title":"Stabilization of the perovskite phase of CsPbI3 with isonipecotic acid","authors":"Nadezhda N. Dremova ,&nbsp;Gennady V. Shilov ,&nbsp;Pavel A. Troshin ,&nbsp;Lyubov A. Frolova","doi":"10.1016/j.mencom.2024.06.004","DOIUrl":"10.1016/j.mencom.2024.06.004","url":null,"abstract":"<div><p>To significantly improve phase photostability, CsPbI<sub>3</sub> absorber films were modified by introducing isonipecotic acid. This has resulted in remarkable long-term operational stability of CsPbI<sub>3</sub>-based perovskite solar cells with optimally modified light absorbers.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 4","pages":"Pages 481-483"},"PeriodicalIF":1.8,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141952356","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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