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Cationic glycerolipid as a templating agent for the synthesis of mesoporous silica nanoparticles 阳离子甘油脂作为模板剂用于合成介孔二氧化硅纳米颗粒
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.038
Olga V. Dement’eva , Elena M. Shishmakova , Anastasia V. Ivchenko , Maxim S. Staltsov , Alina A. Markova , Victor M. Rudoy
{"title":"Cationic glycerolipid as a templating agent for the synthesis of mesoporous silica nanoparticles","authors":"Olga V. Dement’eva ,&nbsp;Elena M. Shishmakova ,&nbsp;Anastasia V. Ivchenko ,&nbsp;Maxim S. Staltsov ,&nbsp;Alina A. Markova ,&nbsp;Victor M. Rudoy","doi":"10.1016/j.mencom.2024.10.038","DOIUrl":"10.1016/j.mencom.2024.10.038","url":null,"abstract":"<div><div>A new method for encapsulating cationic glycerolipids is proposed, based on their use as templating agents in the sol–gel synthesis of mesoporous silica particles. Using the example of <em>rac</em>-<em>N</em>-{4-[(2-ethoxy-3-octadecyloxyprop-1-yl)-oxycarbonyl]butyl}-<em>N’</em>-methylimidazolium iodide, it is shown that this method results in the formation of high-capacity container particles with a pronounced porous structure and a narrow size distribution.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 890-892"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142744027","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, structure and properties of spin-labeled photosensitive chromone derivative 自旋标记光敏色素衍生物的合成、结构和性质
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.019
Kirill V. Agliulin , Andrey V. Stepanov , Vladimir N. Yarovenko , Mikhail M. Krayushkin , Evgeny V. Tretyakov , Darina I. Nasyrova , Valentina V. Ilyushenkova , Anton O. Ayt , Tatyana M. Valova
{"title":"Synthesis, structure and properties of spin-labeled photosensitive chromone derivative","authors":"Kirill V. Agliulin ,&nbsp;Andrey V. Stepanov ,&nbsp;Vladimir N. Yarovenko ,&nbsp;Mikhail M. Krayushkin ,&nbsp;Evgeny V. Tretyakov ,&nbsp;Darina I. Nasyrova ,&nbsp;Valentina V. Ilyushenkova ,&nbsp;Anton O. Ayt ,&nbsp;Tatyana M. Valova","doi":"10.1016/j.mencom.2024.10.019","DOIUrl":"10.1016/j.mencom.2024.10.019","url":null,"abstract":"<div><div>A new hybrid chromone derivative bearing α-bromofuryl, <em>p</em>-(iminomethyl)benzoyl and 2,2,6,6-tetramethylpiperidin-1- oxyl moieties was synthesized by the azomethine reaction involving 4-amino-TEMPO. The benzoyl moiety in this paramagnetic molecule is almost perpendicular to the chromone plane. Having been exposed to UV light, this paramagnet undergoes a transformation accompanied by appearance of intense absorption and luminescence bands with maxima at 420 and 500 nm, respectively, <em>i.e</em>., the presence of paramagnetic moiety does not interfere with generation of fluorescence.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 828-830"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743828","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
Novel synthesis of 1,6- and 1,4-dialkyl glycolurils and their supramolecular organization 1,6-和1,4-二烷基糖醛酸的新合成及其超分子组织
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.032
Vladimir V. Baranov , Maria M. Antonova , Svetlana A. Aksenova , Natalya G. Kolotyrkina , Angelina N. Kravchenko
{"title":"Novel synthesis of 1,6- and 1,4-dialkyl glycolurils and their supramolecular organization","authors":"Vladimir V. Baranov ,&nbsp;Maria M. Antonova ,&nbsp;Svetlana A. Aksenova ,&nbsp;Natalya G. Kolotyrkina ,&nbsp;Angelina N. Kravchenko","doi":"10.1016/j.mencom.2024.10.032","DOIUrl":"10.1016/j.mencom.2024.10.032","url":null,"abstract":"<div><div>New regioselective reaction of 1-alkyl-5-hydroxy-4,5-diphenyl-1<em>H</em>-imidazol-2(5<em>H</em>)-one with alkylureas gives predominantly 1,6-dialkyl-3a,6a-diphenylglycolurils along with minor quantities of the 1,4-isomers. In case of propyl homologues, co-crystal of 1,6/1,4-dipropyl glycolurils would precipitate. Based on the analysis of the crystal packing of the products, new type of supramolecular chains for 1,4-disubstituted glycolurils has been identified.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 871-874"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743923","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
Regioselective arylation of (het)aryl fragment in 2-(het)aryl-1-methylperimidines under ruthenium catalysis 钌催化2-(het)芳基-1-甲基亚嘧啶中（het）芳基片段的区域选择性芳化
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.033
Konstantin E. Shepelenko , Irina G. Gnatiuk , Andrey A. Aleksandrov , Mikhail E. Minyaev , Victor M. Chernyshev
{"title":"Regioselective arylation of (het)aryl fragment in 2-(het)aryl-1-methylperimidines under ruthenium catalysis","authors":"Konstantin E. Shepelenko ,&nbsp;Irina G. Gnatiuk ,&nbsp;Andrey A. Aleksandrov ,&nbsp;Mikhail E. Minyaev ,&nbsp;Victor M. Chernyshev","doi":"10.1016/j.mencom.2024.10.033","DOIUrl":"10.1016/j.mencom.2024.10.033","url":null,"abstract":"<div><div>The ruthenium-catalyzed reaction of 2-(het)aryl-1-methyl- perimidines with aryl bromides proceeds as regioselective C<img>H <em>ortho</em>-arylation of the (het)aryl fragment, perimidine core acting as a directing group. The reaction is selective and tolerates to different functional groups in aryl bromide thus allowing further functionalization of the obtained products.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 875-877"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743924","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
First example of isatin used in four-component synthesis of ionic unsymmetrical scaffold with three different heterocyclic rings isatin在含三个不同杂环的离子不对称支架的四组分合成中的第一个例子
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.030
Michail N. Elinson, Yuliya E. Ryzhkova, Varvara M. Kalashnikova, Alexander O. Chizhov, Artem N. Fakhrutdinov, Mikhail P. Egorov
{"title":"First example of isatin used in four-component synthesis of ionic unsymmetrical scaffold with three different heterocyclic rings","authors":"Michail N. Elinson,&nbsp;Yuliya E. Ryzhkova,&nbsp;Varvara M. Kalashnikova,&nbsp;Alexander O. Chizhov,&nbsp;Artem N. Fakhrutdinov,&nbsp;Mikhail P. Egorov","doi":"10.1016/j.mencom.2024.10.030","DOIUrl":"10.1016/j.mencom.2024.10.030","url":null,"abstract":"<div><div>The new type of four-component tandem Knoevenagel–Michael reaction was found: isatins, barbituric acids, malononitrile and morpholine at ambient temperature and without catalysts selectively form new non-symmetrical ionic scaffold, namely, morpholin-4-ium 5-(3-dicyanomethyl-2-oxoindolin-3-yl)-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetra-hydropyrimidin-4-olate derivatives, in 80-98% yields. Their structure was confirmed using 2D NMR such as <sup>1</sup>H-<sup>1</sup>H COSY, <sup>1</sup>H-<sup>13</sup>C HSQC, and <sup>1</sup>H-<sup>13</sup>C HMBC correlation experiments. The products seem promising as they contain three different pharmacologically active heterocyclic rings.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 865-867"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743921","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
On evaluating the possibility of synthesizing virtually designed polymers 评价合成虚拟设计聚合物的可能性
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.008
Sergey V. Trepalin , Pavel V. Komarov , Andrey A. Knizhnik , Denis B. Shirabaykin , Alexander S. Sinitsa , Boris V. Potapkin
{"title":"On evaluating the possibility of synthesizing virtually designed polymers","authors":"Sergey V. Trepalin ,&nbsp;Pavel V. Komarov ,&nbsp;Andrey A. Knizhnik ,&nbsp;Denis B. Shirabaykin ,&nbsp;Alexander S. Sinitsa ,&nbsp;Boris V. Potapkin","doi":"10.1016/j.mencom.2024.10.008","DOIUrl":"10.1016/j.mencom.2024.10.008","url":null,"abstract":"<div><div>A method for assessing the synthesis complexity of <em>in silico</em> designed polymers using the modified Synthetic Accessibility Score Index is presented. This index is calculated by decomposing a chemical structure into smaller fragments and evaluating their contribution to the overall score. Also discussed are the data sources for these estimates, ways to overcome ambiguity in the representation of the smallest repeating unit of polymers, and the problem of evaluating the stability of chemical structures stored in machine- generated databases.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 792-794"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743809","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
Insight into design of 3-hydroxy-4-pyridinone functionalized with isoniazid fragment: structural characterization and antimycobacterial evaluation 异烟肼片段功能化3-羟基-4-吡啶酮的设计：结构表征和抑菌评价
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.026
Marina A. Katkova , Galina S. Zabrodina , Roman V. Rumyantcev , Grigory Yu. Zhigulin , Ivan V. Skabitsky , Irina G. Fomina , Olga B. Bekker , Sergey Yu. Ketkov , Igor L. Eremenko
{"title":"Insight into design of 3-hydroxy-4-pyridinone functionalized with isoniazid fragment: structural characterization and antimycobacterial evaluation","authors":"Marina A. Katkova ,&nbsp;Galina S. Zabrodina ,&nbsp;Roman V. Rumyantcev ,&nbsp;Grigory Yu. Zhigulin ,&nbsp;Ivan V. Skabitsky ,&nbsp;Irina G. Fomina ,&nbsp;Olga B. Bekker ,&nbsp;Sergey Yu. Ketkov ,&nbsp;Igor L. Eremenko","doi":"10.1016/j.mencom.2024.10.026","DOIUrl":"10.1016/j.mencom.2024.10.026","url":null,"abstract":"<div><div>A new 3-hydroxy-4-pyridinone ligand, <em>viz</em>. <em>N</em>-(3-hydroxy-2-methyl-4-oxo-4<em>H</em>-pyridin-1-yl)isonicotinamide bearing isoniazid fragment, was synthesized and characterized. The differences in molecular and electronic structures of the product compared to the parent isoniazid (INH) were revealed by X-ray diffraction and DFT calculations. They are responsible for a dramatic decrease in the antimyco- bacterial activity of the product in comparison with INH.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 850-853"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743917","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
Nickel nanoparticles formation during Ni catalyst activation revealed by identical location electron microscopy 同位电镜观察镍催化剂活化过程中镍纳米颗粒的形成
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.041
Anton E. Dzhusupov , Evgeniy O. Pentsak
{"title":"Nickel nanoparticles formation during Ni catalyst activation revealed by identical location electron microscopy","authors":"Anton E. Dzhusupov ,&nbsp;Evgeniy O. Pentsak","doi":"10.1016/j.mencom.2024.10.041","DOIUrl":"10.1016/j.mencom.2024.10.041","url":null,"abstract":"<div><div>Formation of metallic nickel nanoparticles was observed during nickel catalyst activation in hydrogen flow at high temperature. The scale of change in catalyst morphology was determined <em>via</em> identical location electron microscopy.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 899-901"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743931","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
CuI and AgI scorpionate-like complexes based on sterically hindered tris(6-methyl-2-pyridyl)phosphine oxide 基于位阻三（6-甲基-2-吡啶基）氧化膦的CuI和AgI蝎蝎类配合物
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.014
Yan V. Demyanov , Irina Yu. Bagryanskaya , Alexander V. Artem’ev
{"title":"CuI and AgI scorpionate-like complexes based on sterically hindered tris(6-methyl-2-pyridyl)phosphine oxide","authors":"Yan V. Demyanov ,&nbsp;Irina Yu. Bagryanskaya ,&nbsp;Alexander V. Artem’ev","doi":"10.1016/j.mencom.2024.10.014","DOIUrl":"10.1016/j.mencom.2024.10.014","url":null,"abstract":"<div><div>The interaction of tris(6-methyl-2-pyridyl)phosphine oxide (L) with equimolar amounts of [Cu(MeCN)<sub>4</sub>]PF<sub>6</sub> or AgClO<sub>4</sub> in acetonitrile produces scorpionate-like complexes [M(L)(MeCN)]X (M = Cu and Ag; X = <span><math><msubsup><mi>PF</mi><mn>6</mn><mo>-</mo></msubsup></math></span> and <span><math><msubsup><mi>ClO</mi><mn>4</mn><mo>-</mo></msubsup></math></span>). At ambient temperature, these compounds exhibit orange (<em>λ</em><sub>max</sub> = 608 nm) or turquoise (<em>λ</em><sub>max</sub> = 490 nm) photo-luminescence with a quantum yield up to 16% and lifetimes of microsecond order.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 812-814"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743815","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
A novel mechanochemical synthesis of cyclopentadienyl-type Ni/NHC complexes 一种新的环戊二烯型Ni/NHC配合物的机械化学合成方法
IF 1.8 4区 化学
Mendeleev Communications Pub Date : 2024-11-01 DOI: 10.1016/j.mencom.2024.10.017
Oleg V. Khazipov, Anastasia S. Pyatachenko, Victor M. Chernyshev
{"title":"A novel mechanochemical synthesis of cyclopentadienyl-type Ni/NHC complexes","authors":"Oleg V. Khazipov,&nbsp;Anastasia S. Pyatachenko,&nbsp;Victor M. Chernyshev","doi":"10.1016/j.mencom.2024.10.017","DOIUrl":"10.1016/j.mencom.2024.10.017","url":null,"abstract":"<div><div>A user-friendly and highly efficient mechanochemical synthesis of Ni/NHC complexes of the general formula (NHC)Ni(Cp)Cl (NHC is an N-heterocyclic carbene ligand; Cp is the cyclopentadienyl anion) under aerobic conditions is reported. The reaction between nickelocene and azolium salts (NHC proligands) proceeds with good to excellent yields of (NHC)Ni(Cp)Cl in the presence of a K<sub>2</sub>CO<sub>3</sub> additive, which reduces the clumping of the reaction mixture. The developed process can be scaled up on a planetary ball mill.</div></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":"34 6","pages":"Pages 822-824"},"PeriodicalIF":1.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142743826","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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