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Informatics of chemical reactions: information entropy as the descriptor of changes in molecular complexity 化学反应信息学：作为分子复杂性变化描述符的信息熵
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4335-2
D. Sh. Sabirov, A. A. Tukhbatullina, A. D. Zimina, I. S. Shepelevich
{"title":"Informatics of chemical reactions: information entropy as the descriptor of changes in molecular complexity","authors":"D. Sh. Sabirov, A. A. Tukhbatullina, A. D. Zimina, I. S. Shepelevich","doi":"10.1007/s11172-024-4335-2","DOIUrl":"https://doi.org/10.1007/s11172-024-4335-2","url":null,"abstract":"<p>Information entropy is widely used in discrete mathematical chemistry as the descriptor to quantify the structural complexity of molecules. This review covers opportunities to use the information entropy parameters to evaluate changes in the complexity of molecules in both simple and multi-step chemical reactions.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267621","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, photochromic, and cytotoxic properties of water-soluble spiropyran containing an ammonium group 含铵基团的水溶性螺吡喃的合成、光致变色和细胞毒性特性
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4362-z
A. A. Khuzin, D. I. Galimov, L. L. Khuzina, A. A. Tukhbatullin, M. V. Dubinin, K. N. Belosludtsev
{"title":"Synthesis, photochromic, and cytotoxic properties of water-soluble spiropyran containing an ammonium group","authors":"A. A. Khuzin, D. I. Galimov, L. L. Khuzina, A. A. Tukhbatullin, M. V. Dubinin, K. N. Belosludtsev","doi":"10.1007/s11172-024-4362-z","DOIUrl":"https://doi.org/10.1007/s11172-024-4362-z","url":null,"abstract":"<p>Spiropyran containing a propylammonium moiety at the nitrogen atom in the indoline part of molecule was synthesized. Its photochromic behavior, spectral and photoluminescent properties in water, as well as cytotoxicity towards epidermoid carcinoma A431 cells were estimated. The synthesized compound exhibited positive photochromism and high stability towards photodegradation, and is capable of photoluminescence.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267591","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
Functional nanomaterials based on modified titanium dioxide 基于改性二氧化钛的功能纳米材料
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4336-1
A. A. Rempel
{"title":"Functional nanomaterials based on modified titanium dioxide","authors":"A. A. Rempel","doi":"10.1007/s11172-024-4336-1","DOIUrl":"https://doi.org/10.1007/s11172-024-4336-1","url":null,"abstract":"<p>Titanium dioxide synthesis and modification by chemical, electrochemical, and mechanochemical methods are briefly outlined. The atomistic structure, nanostructure, morphology, optical characteristics, functional properties, and peculiar features of the semiconductor material are described. Practical applications of titanium dioxide in catalysis, sorption, and biomedicine are described.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267622","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
The first non-symmetrically substituted conjugates of bispidine with monoterpenoids and amino acids. Synthesis and application for catalysis of addition of diethylzinc to aldehydes 双脒与单萜和氨基酸的第一种非对称取代共轭物。二乙基锌的合成及其在醛加成催化中的应用
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4346-z
K. Yu. Ponomarev, E. S. Mozhaitsev, N. S. Li-Zhulanov, A. A. Okhina, A. A. Nefedov, A. D. Rogachev, E. V. Suslov, A. I. Dalinger, S. Z. Vatsadze, K. P. Volcho, N. F. Salakhutdinov
{"title":"The first non-symmetrically substituted conjugates of bispidine with monoterpenoids and amino acids. Synthesis and application for catalysis of addition of diethylzinc to aldehydes","authors":"K. Yu. Ponomarev, E. S. Mozhaitsev, N. S. Li-Zhulanov, A. A. Okhina, A. A. Nefedov, A. D. Rogachev, E. V. Suslov, A. I. Dalinger, S. Z. Vatsadze, K. P. Volcho, N. F. Salakhutdinov","doi":"10.1007/s11172-024-4346-z","DOIUrl":"https://doi.org/10.1007/s11172-024-4346-z","url":null,"abstract":"<p>A series of bispidine conjugates bearing monoterpene moieties and either <span>l</span>-proline or <span>l</span>-phenylalanine residues was synthesized. The synthesized bispidines can catalyze asymmetric ethylation of benzaldehydes with diethylzinc. The highest enantioselectivity of the addition reaction (<i>ee</i> 24%) was achieved for bispidine with (–)-α-pinene and Boc-<span>l</span>-proline moieties.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267579","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
5,6-Dihydropyran derivatives of nor-lupane: synthesis and properties 去甲羽扇豆的 5,6-二氢吡喃衍生物：合成与性质
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4347-y
A. V. Nemtarev, D. V. Ponomaryov, L. R. Idrisova, L. V. Anikina, V. K. Brel’, O. V. Tsepaeva, V. F. Mironov
{"title":"5,6-Dihydropyran derivatives of nor-lupane: synthesis and properties","authors":"A. V. Nemtarev, D. V. Ponomaryov, L. R. Idrisova, L. V. Anikina, V. K. Brel’, O. V. Tsepaeva, V. F. Mironov","doi":"10.1007/s11172-024-4347-y","DOIUrl":"https://doi.org/10.1007/s11172-024-4347-y","url":null,"abstract":"<p>Using triterpenoid betulin as an example, a convenient method for the synthesis of 5,6-dihydropyran derivatives containing a <i>nor</i>-triterpenoid fragment at position 4 was proposed. The method involves the reaction of lupane triterpenoids with paraformaldehyde in dioxane in the presence of sulfuric acid. Approaches to the synthesis of triterpene derivatives of 5,6-dihydropyran-2-one and penta-2,4-dienoic acid were developed based on the obtained 4-(3,28-diacetoxy-20,29,30-tri-<i>nor</i>-lupan-19-yl)-5,6-dihydropyran. Triterpene-substituted penta-2,4-dienoic acid heated with triphenylphosphonium triflate formed a quaternary phosphonium salt, which showed cytotoxicity against human cancer cells MCF-7 (breast cancer) and HCT116 (colon cancer) with IC<sub>50</sub> 4–19 µmol L<sup>−1</sup>, with its activity against these cell lines being superior to the activity of the comparison drug camptothecin.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267580","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 polycyclic adducts based on perhydrotetraazatetracene 基于全氢四氮杂蒽的新型多环加合物的合成
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4353-0
E. B. Rakhimova, V. Yu. Kirsanov
{"title":"Synthesis of new polycyclic adducts based on perhydrotetraazatetracene","authors":"E. B. Rakhimova, V. Yu. Kirsanov","doi":"10.1007/s11172-024-4353-0","DOIUrl":"https://doi.org/10.1007/s11172-024-4353-0","url":null,"abstract":"<p>New <i>N,N</i>′-disubstituted perhydrohexaazadibenzo[<i>fg,op</i>]tetracenes with the (<i>R*,R*,R*,R*</i>) configuration of the chiral centers were synthesized by a one-pot catalytic heterocyclization of perhydrotetraazatetracene with formaldehyde and various primary amines as well as by the catalytic recyclization reaction of 1,3,5-trisubstituted 1,3,5-triazinanes with perhydrotetraazatetracene. The structures of all synthesized compounds were confirmed by NMR spectroscopy and high-resolution mass spectrometry.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267583","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
Methods for rapid and efficient synthesis of dendrimers, a new impetus for the development of dendrimer materials science 树枝状聚合物的快速高效合成方法，树枝状聚合物材料科学发展的新动力
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4337-0
K. S. Klokova, S. N. Ardabevskaia, E. Yu. Katarzhnova, S. A. Milenin, A. M. Muzafarov
{"title":"Methods for rapid and efficient synthesis of dendrimers, a new impetus for the development of dendrimer materials science","authors":"K. S. Klokova, S. N. Ardabevskaia, E. Yu. Katarzhnova, S. A. Milenin, A. M. Muzafarov","doi":"10.1007/s11172-024-4337-0","DOIUrl":"https://doi.org/10.1007/s11172-024-4337-0","url":null,"abstract":"<p>The review considers several aspects of the synthesis of dendrimers related to the efficient achievement of their mass and high functionality. These are synthetic methods based on a block scheme for the production of dendrimers and click reactions in the processes of dendritic growth. A method for the synthesis of dendrimers, in which their rapid growth and size are achieved through the use of long spacers between branch points, is also considered. In general, all of these approaches are aimed at the formation of highly functional or high molecular weight molecules with a dendrimer structure in a short time.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267624","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
Modification of 2-amino-5-bromomethyl-3-(ethoxycarbonyl)pyrazine 1-oxide using SNH and click reactions 利用 SNH 和点击反应修饰 2-氨基-5-溴甲基-3-(乙氧羰基)吡嗪 1-氧化物
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4348-x
V. E. Petrova, I. S. Kovalev, G. V. Zyryanov, V. L. Rusinov
{"title":"Modification of 2-amino-5-bromomethyl-3-(ethoxycarbonyl)pyrazine 1-oxide using SNH and click reactions","authors":"V. E. Petrova, I. S. Kovalev, G. V. Zyryanov, V. L. Rusinov","doi":"10.1007/s11172-024-4348-x","DOIUrl":"https://doi.org/10.1007/s11172-024-4348-x","url":null,"abstract":"<p>The applicability of S<sub>N</sub><sup>H</sup> and click reactions in the series of 2-amino-5-bromomethyl-3-(ethoxycarbonyl)pyrazine 1-oxide and its derivatives for the synthesis of distant analogs of folic acid and fluorophores was studied. The target products were synthesized in the yields up to 81%, and their structures were proved by <sup>1</sup>H NMR spectroscopy and mass spectrometry.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142269642","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 chiral arylsulfonamides based on carane amino alcohols 基于甲烷氨基醇的新型手性芳基磺酰胺的合成
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4345-0
O. N. Grebyonkina, O. A. Banina, R. V. Rumyantsev, D. R. Baidamshina, A. I. Kolesnikova, O. M. Lezina, S. A. Rubtsova
{"title":"Synthesis of new chiral arylsulfonamides based on carane amino alcohols","authors":"O. N. Grebyonkina, O. A. Banina, R. V. Rumyantsev, D. R. Baidamshina, A. I. Kolesnikova, O. M. Lezina, S. A. Rubtsova","doi":"10.1007/s11172-024-4345-0","DOIUrl":"https://doi.org/10.1007/s11172-024-4345-0","url":null,"abstract":"<p>New optically active arylsulfonamides, including carane-containing streptocide analogs, were synthesized by the reaction of carane amino alcohols with tosyl- and <i>N</i>-acetylsulfanilyl chlorides. Sulfonamide, which was prepared based on (–)-4β-amino-3α-hydroxy-<i>cis</i>-carane, was studied by X-ray diffraction. The synthesized sulfonamides and the starting amino alcohols were evaluated for antimicrobial activity.</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267594","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
Titanocene-catalyzed selective synthesis of 2,4-dialkyl-6-(2-methoxyethyl)pyridines by the reaction of terminal acetylenes with 3-methoxypropionitrile 通过末端乙炔与 3-甲氧基丙腈反应，在二茂钛催化下选择性合成 2,4-二烷基-6-(2-甲氧基乙基)吡啶
IF 1.7 4区 化学
Russian Chemical Bulletin Pub Date : 2024-09-19 DOI: 10.1007/s11172-024-4342-3
M. G. Shaibakova, E. I. Titova, L. K. Dil’mukhametova, I. R. Ramazanov
{"title":"Titanocene-catalyzed selective synthesis of 2,4-dialkyl-6-(2-methoxyethyl)pyridines by the reaction of terminal acetylenes with 3-methoxypropionitrile","authors":"M. G. Shaibakova, E. I. Titova, L. K. Dil’mukhametova, I. R. Ramazanov","doi":"10.1007/s11172-024-4342-3","DOIUrl":"https://doi.org/10.1007/s11172-024-4342-3","url":null,"abstract":"<p>A selective one-pot method was developed for the synthesis of 2,4-dialkyl-6-(2-methoxyethyl)pyridines in yields of 70–82% by the reaction of terminal acetylenes with 3-methoxypropionitrile in the presence of EtAlCl<sub>2</sub>, Mg, and Cp<sub>2</sub>TiCl<sub>2</sub> (10 mol.%).</p>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142267576","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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