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Stepwise carbon dioxide hydrosilylation catalyzed by bimetallic complexes [CpM(CO)2(μ-CO)···Pd(ButPCP)] 双金属复合物[CpM(CO)2(μ-CO)--Pd(ButPCP)]催化的二氧化碳逐步氢硅化反应
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.010
Daria V. Sedlova , Elena S. Osipova , Evgenii I. Gutsul , Ivan A. Godovikov , Oleg A. Filippov , Elena S. Shubina , Natalia V. Belkova
{"title":"Stepwise carbon dioxide hydrosilylation catalyzed by bimetallic complexes [CpM(CO)2(μ-CO)···Pd(ButPCP)]","authors":"Daria V. Sedlova ,&nbsp;Elena S. Osipova ,&nbsp;Evgenii I. Gutsul ,&nbsp;Ivan A. Godovikov ,&nbsp;Oleg A. Filippov ,&nbsp;Elena S. Shubina ,&nbsp;Natalia V. Belkova","doi":"10.1016/j.mencom.2024.02.010","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.010","url":null,"abstract":"<div><p>The interaction of bimetallic (<span><math><mrow><msup><mrow><mspace></mspace></mrow><msup><mrow><mi>Bu</mi></mrow><mi>t</mi></msup></msup><mi>PCP</mi></mrow></math></span>)Pd···(OC)M(CO)<sub>2</sub> Cp (M = Mo, W) complexes with PhSiH<sub>3</sub> leads to an efficient heterolytic splitting of Si–H bond that is a primary step in catalytic hydrosilylation of CO<sub>2</sub>. The reaction can be stopped at the formate level in the presence of the above complexes while proceeds further when catalyzed by (<span><math><mrow><msup><mrow><mspace></mspace></mrow><msup><mrow><mi>Bu</mi></mrow><mi>t</mi></msup></msup><mi>PCP</mi></mrow></math></span>)PdH.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344032","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
Active Pd species in the formation of polysubstituted olefins and naphthalenes in the reaction between arylboronic acid and diphenylacetylene 芳基硼酸与二苯基乙炔反应生成多取代烯烃和萘过程中的活性钯物种
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.018
Anna A. Kurokhtina, Elizaveta V. Larina, Nadezhda A. Lagoda, Alexander F. Schmidt
{"title":"Active Pd species in the formation of polysubstituted olefins and naphthalenes in the reaction between arylboronic acid and diphenylacetylene","authors":"Anna A. Kurokhtina,&nbsp;Elizaveta V. Larina,&nbsp;Nadezhda A. Lagoda,&nbsp;Alexander F. Schmidt","doi":"10.1016/j.mencom.2024.02.018","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.018","url":null,"abstract":"<div><p>‘Ligand-free’ Pd-catalyzed reaction between arylboronic acid and diphenylacetylene affords a set of polyphenylated olefins and 1,2,3,4-tetraphenylnaphthalene whose yields are dependent on counteranion of Pd<sup>II</sup> salt and additive nature. Tetraphenylethylene and hexaphenylbuta-1,3-diene are likely formed in tandem arylation/cross-coupling reaction with the participation of hydroxo/alkoxo alkenyl Pd species, whereas 1,2,3,4-tetraphenylnaphthalene formation probably proceeds through tandem arylation/C–H activation by halide-containing alkenyl Pd complexes.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344793","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
Integration of anticancer drug ruboxyl into the membrane of fullerene-based vesicle enhances its therapeutic performance 将抗癌药物 ruboxyl 植入富勒烯基囊泡膜中可提高其治疗效果
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.006
Olga A. Kraevaya , Ekaterina A. Khakina , Nikita A. Emelianov , Alexander F. Shestakov , Tatyana E. Sashenkova , Denis V. Mishchenko , Pavel A. Troshin
{"title":"Integration of anticancer drug ruboxyl into the membrane of fullerene-based vesicle enhances its therapeutic performance","authors":"Olga A. Kraevaya ,&nbsp;Ekaterina A. Khakina ,&nbsp;Nikita A. Emelianov ,&nbsp;Alexander F. Shestakov ,&nbsp;Tatyana E. Sashenkova ,&nbsp;Denis V. Mishchenko ,&nbsp;Pavel A. Troshin","doi":"10.1016/j.mencom.2024.02.006","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.006","url":null,"abstract":"<div><p>The supramolecular complexation of anthracycline antibiotic ruboxyl with water-soluble fullerene derivative was visualized by scattering scanning near-field optical microscopy, and the effects of this complexation on the antileukemic activity <em>in vivo</em> were evaluated. Treatment of mice with P388 lymphocytic leukemia with ruboxyl resulted in 13% of cured animals, while similar treatment with ruboxyl–fullerene derivative combination caused 63% curing.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344802","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-amino-2-nitroguanidine with 3-nitroacrylates 1-氨基-2-硝基胍与 3-硝基丙烯酸酯的反应
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.033
Olga Yu. Ozerova , Tatiana P. Efimova , Tamara A. Novikova , Igor A. Litvinov , Sergey V. Makarenko
{"title":"Reactions of 1-amino-2-nitroguanidine with 3-nitroacrylates","authors":"Olga Yu. Ozerova ,&nbsp;Tatiana P. Efimova ,&nbsp;Tamara A. Novikova ,&nbsp;Igor A. Litvinov ,&nbsp;Sergey V. Makarenko","doi":"10.1016/j.mencom.2024.02.033","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.033","url":null,"abstract":"<div><p>The reactions of 1-amino-2-nitroguanidine with 3-nitro- acrylates afford aza-Michael adducts. The latter when refluxed in an aqueous alkaline medium undergo elimination of nitrous acid followed by shift of the resulting C=C bond into C=N position giving finally <em>N</em>-substituted alkylpyruvate hydrazones. These compounds can also be prepared in a one-pot procedure; NMR spectroscopy and X-ray diffraction analysis confirmed the existence of the obtained hydrazones as <em>E</em>-isomers.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140343997","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
Low-temperature synthesis in the dittmarite–sodium acetate trihydrate system: electrochemical activity of M3+/M2+ redox couples in AMPO4 (A = Na, Li; M = Mn, Mn/Fe) 重晶石-三水醋酸钠体系中的低温合成：AMPO4（A = Na、Li；M = Mn、Mn/Fe）中 M3+/M2+ 氧化还原偶的电化学活性
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.027
Aleksandr Sh. Samarin , Tatiana V. Ivanova , Eugene E. Nazarov , Sergey N. Marshenya , Nikita D. Luchinin , Evgeny V. Antipov , Stanislav S. Fedotov
{"title":"Low-temperature synthesis in the dittmarite–sodium acetate trihydrate system: electrochemical activity of M3+/M2+ redox couples in AMPO4 (A = Na, Li; M = Mn, Mn/Fe)","authors":"Aleksandr Sh. Samarin ,&nbsp;Tatiana V. Ivanova ,&nbsp;Eugene E. Nazarov ,&nbsp;Sergey N. Marshenya ,&nbsp;Nikita D. Luchinin ,&nbsp;Evgeny V. Antipov ,&nbsp;Stanislav S. Fedotov","doi":"10.1016/j.mencom.2024.02.027","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.027","url":null,"abstract":"<div><p>Phase-pure NaMPO<sub>4</sub> (M = Mn, Mn/Fe; isotypic to triphylite) and Li(Mn/Fe)PO<sub>4</sub> were isolated as a result of the low- temperature reaction between NH<sub>4</sub>MPO<sub>4</sub>·H<sub>2</sub>O (M = Mn, Mn/Fe) and AcONa·3H<sub>2</sub>O or AcOLi, respectively. Electrochemical tests in half-cells revealed that Na-based compounds exhibit poor electrochemical activity <em>vs</em>. metallic Na, while the similarly synthesized Li counterpart demonstrates decent cycling in Na cells. The synthetic features, crystal structures and properties of related members of the olivine family are discussed.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344024","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 convenient synthesis of a chlorobenzothiophenyl-indole-based inhibitor of bacterial cystathionine γ-lyase 一种基于氯苯并噻吩-吲哚的细菌胱硫醚 γ-赖氨酸酶抑制剂的简便合成方法
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.030
Maxim A. Novikov , Konstantin V. Potapov , Roman A. Novikov , Pavel N. Solyev , Yury V. Tomilov , Sergey N. Kochetkov , Alexander A. Makarov , Vladimir A. Mitkevich
{"title":"A convenient synthesis of a chlorobenzothiophenyl-indole-based inhibitor of bacterial cystathionine γ-lyase","authors":"Maxim A. Novikov ,&nbsp;Konstantin V. Potapov ,&nbsp;Roman A. Novikov ,&nbsp;Pavel N. Solyev ,&nbsp;Yury V. Tomilov ,&nbsp;Sergey N. Kochetkov ,&nbsp;Alexander A. Makarov ,&nbsp;Vladimir A. Mitkevich","doi":"10.1016/j.mencom.2024.02.030","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.030","url":null,"abstract":"<div><p>A convenient and efficient synthesis of 3-{[6-(7-chloro- benzo[<em>b</em>]thiophen-2-yl)-1<em>H</em>-indol-1-yl]methyl}-1<em>H</em>-pyrazole- 5-carboxylic acid (NL3), which is currently among the most active and promising bacterial cystathionine γ-lyase (bCSE) inhibitors, has been developed. It is based on shifting the key stage of [Pd]-catalyzed cross-coupling of the indole and benzothiophene counterparts to the beginning of the synthetic scheme, with the polarity reversal of the components being coupled, to give 6-(7-chlorobenzo[<em>b</em>]thiophen-2-yl)-1<em>H</em>- indole as the key intermediate. The STD NMR method was used to estimate the NL3 compound obtained in the optimized synthesis as a ligand to saCSE (the main producer of H<sub>2</sub>S in pathogenic <em>S. aureus</em>).</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344026","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 furo[2,3-c]quinolinones via intramolecular C(3)–H arylation of furan core under Pd/NHC-catalysis 在 Pd/NHC 催化下通过呋喃核的分子内 C(3)-H 芳基化合成呋喃并[2,3-c]喹啉酮
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.012
Konstantin E. Shepelenko , Irina G. Gnatiuk , Mikhail E. Minyaev , Victor M. Chernyshev
{"title":"Synthesis of furo[2,3-c]quinolinones via intramolecular C(3)–H arylation of furan core under Pd/NHC-catalysis","authors":"Konstantin E. Shepelenko ,&nbsp;Irina G. Gnatiuk ,&nbsp;Mikhail E. Minyaev ,&nbsp;Victor M. Chernyshev","doi":"10.1016/j.mencom.2024.02.012","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.012","url":null,"abstract":"<div><p>An efficient procedure for the preparation of furo[2,3-<em>c</em>]-quinolin-4(5<em>H</em>)-ones from 2-furoic acid <em>N</em>-(<em>o</em>-bromoaryl)- amides <em>via</em> selective intramolecular C(3)–H arylation of the furan nucleus involves the catalysis by a Pd/NHC system generated <em>in situ</em> from Pd(OAc)<sub>2</sub> and readily available IPr<sup>SPh</sup> HCl proligand. A series of novel furo[2,3-<em>c</em>]quinolin-4(5<em>H</em>)-ones were prepared in 65–80% isolated yields.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344034","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
Stereoselective synthesis of spirocyclic derivatives of functionalized 2,3,4,7-tetrahydro-1H-azepines 功能化 2,3,4,7-四氢-1H-氮杂卓螺环衍生物的立体选择性合成
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.016
Ildar R. Iusupov, Alexander V. Kurkin
{"title":"Stereoselective synthesis of spirocyclic derivatives of functionalized 2,3,4,7-tetrahydro-1H-azepines","authors":"Ildar R. Iusupov,&nbsp;Alexander V. Kurkin","doi":"10.1016/j.mencom.2024.02.016","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.016","url":null,"abstract":"<div><p>A simple and effective stereoselective synthesis of unique azaspirocyclic 2,3,4,7-tetrahydro-1<em>H</em>-azepine derivatives, namely, 7-azaspiro[4.6]undec-9-ene and 8-azaspiro[5.6]- dodec-10-ene, from simple commercially available reagents was accomplished. Their key 1,2-epoxy derivatives as individual diastereomers were obtained in nine steps with 31–32% overall yields. The possibility of synthesizing a library of small spiroheterocyclic molecules was exemplified by the <em>N</em>-Boc-protected (1<em>RS</em>,2<em>SR</em>,6<em>RS</em>)-1,2-epoxy-8-aza- spiro[5.6]dodec-10-ene scaffold through simple chemical modifications of its epoxide function.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344791","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
Observing the formation of TiO2 mesocrystals from NH4TiOF3 microparticles using in situ thermo-WAXS measurements 利用原位热-WAXS 测量观察 NH4TiOF3 微颗粒形成 TiO2 介晶
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.022
Alexey A. Sadovnikov , Olga V. Boytsova
{"title":"Observing the formation of TiO2 mesocrystals from NH4TiOF3 microparticles using in situ thermo-WAXS measurements","authors":"Alexey A. Sadovnikov ,&nbsp;Olga V. Boytsova","doi":"10.1016/j.mencom.2024.02.022","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.022","url":null,"abstract":"<div><p>Real-time <em>in situ</em> X-ray analysis was used to shed light on the topotactic transformation of NH<sub>4</sub>TiOF<sub>3</sub> into nanostructured TiO<sub>2</sub> mesocrystals. Specifically, for the system formed in the presence of the PEG-2000 templating polymer, XRD analysis showed that the overall transformation occurs through four separate transitions, consistent with previous reports. The applicability of synchrotron wide-angle X-ray scattering (WAXS) to real-time <em>in situ</em> analysis has enabled precise temperature mapping of these four transitions and the identification of stability boundaries for the first time.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344857","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
Recyclization of N-arylitaconimides with hydrazines as a new effective synthesis of 2-(3-oxopyrazolidin-4-yl)acetanilides 用肼对 N-芳基-litaconimides 进行再环化，有效合成 2-(3-氧代吡唑烷-4-基)乙酰苯胺类化合物
IF 1.9 4区 化学
Mendeleev Communications Pub Date : 2024-03-01 DOI: 10.1016/j.mencom.2024.02.040
Yuri A. Kovygin, Irina S. Zotova, Nikita M. Sotnikov, Vladimir A. Polikarchuk, Khidmet S. Shikhaliev
{"title":"Recyclization of N-arylitaconimides with hydrazines as a new effective synthesis of 2-(3-oxopyrazolidin-4-yl)acetanilides","authors":"Yuri A. Kovygin,&nbsp;Irina S. Zotova,&nbsp;Nikita M. Sotnikov,&nbsp;Vladimir A. Polikarchuk,&nbsp;Khidmet S. Shikhaliev","doi":"10.1016/j.mencom.2024.02.040","DOIUrl":"https://doi.org/10.1016/j.mencom.2024.02.040","url":null,"abstract":"<div><p>Recyclization of <em>N</em>-arylitaconimides with hydrazine in dioxane at room temperature selectively leads to 2-(3-oxopyrazolidin- 4-yl)acetanilide derivatives in moderate to good yields. The similar reaction with phenylhydrazine proceeds with the simultaneous formation of isomeric 3- and 5-oxo- 1-phenylpyrazolidine-containing acetanilides.</p></div>","PeriodicalId":18542,"journal":{"name":"Mendeleev Communications","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140344018","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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