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Littérature scientifique sur le sujet « Pillar[n]arene »

Auteur : Grafiati

Publié le 1 avril 2023

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Articles de revues sur le sujet "Pillar[n]arene"

1

Xie, Changdong, Weibo Hu, Wenjing Hu, Yahu A. Liu, Jichuan Huo, Jiusheng Li, Biao Jiang et Ke Wen. « Synthesis of Pillar[n]arene[5−n]quininesviaPartial Oxidation of Pillar[5]arene ». Chinese Journal of Chemistry 33, n^o 3 (mars 2015) : 379–83. http://dx.doi.org/10.1002/cjoc.201400895.

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2

Liu, Zhaona, Bing Li, Zhizheng Li et Huacheng Zhang. « Pillar[n]arene-Mimicking/Assisted/Participated Carbon Nanotube Materials ». Materials 15, n^o 17 (3 septembre 2022) : 6119. http://dx.doi.org/10.3390/ma15176119.

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The recent progress in pillar[n]arene-assisted/participated carbon nanotube hybrid materials were initially summarized and discussed. The molecular structure of pillar[n]arene could serve different roles in the fabrication of attractive carbon nanotube-based materials. Firstly, pillar[n]arene has the ability to provide the structural basis for enlarging the cylindrical pillar-like architecture by forming one-dimensional, rigid, tubular, oligomeric/polymeric structures with aromatic moieties as the linker, or forming spatially “closed”, channel-like, flexible structures by perfunctionalizing with peptides and with intramolecular hydrogen bonding. Interestingly, such pillar[n]arene-based carbon nanotube-resembling structures were used as porous materials for the adsorption and separation of gas and toxic pollutants, as well as for artificial water channels and membranes. In addition to the art of organic synthesis, self-assembly based on pillar[n]arene, such as self-assembled amphiphilic molecules, is also used to promote and control the dispersion behavior of carbon nanotubes in solution. Furthermore, functionalized pillar[n]arene derivatives integrated carbon nanotubes to prepare advanced hybrid materials through supramolecular interactions, which could also incorporate various compositions such as Ag and Au nanoparticles for catalysis and sensing.

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3

Liu, Zhaona, Zhizheng Li, Bing Li, Le Zhou, Huacheng Zhang et Jie Han. « Hybrid Macrocyclic Polymers : Self-Assembly Containing Cucurbit[m]uril-pillar[n]arene ». Polymers 14, n^o 9 (27 avril 2022) : 1777. http://dx.doi.org/10.3390/polym14091777.

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Supramolecular self-assembly by hybrid macrocycles containing both cucurbit[m]uril (CB[m]) and pillar[n]arene was discussed and summarized in this review. Due to different solubility, diverse-sized cavities, and various driving forces in recognizing guests, the role of CB[m] and pillar[n]arene in such hybrid macrocyclic systems could switch between competitor in capturing specialized guests, and cooperator for building advanced hybridized macrocycles, by controlling their characteristics in host–guest inclusions. Furthermore, both CB[m] and pillar[n]arene were employed for fabricating advanced supramolecular self-assemblies such as mechanically interlocked molecules and supramolecular polymers. In those self-assemblies, CB[m] and pillar[n]arene played significant roles in, e.g., microreactor for catalyzing particular reactions to bridge different small pieces together, molecular “joint” to connect different monomers into larger assemblies, and “stabilizer” in accommodating the guest molecules to adopt a favorite structure geometry ready for assembling.

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4

Gorbachuk, Vladimir V., Anna R. Marysheva et Ivan I. Stoykov. « Total oxidation of decahydroxypillar[5]arene with copper(II) and iron(III) nitrates ». Butlerov Communications 63, n^o 7 (31 juillet 2020) : 19–23. http://dx.doi.org/10.37952/roi-jbc-01/20-63-7-19.

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Pillar[n]arenes are suitable synthetic platforms for synthesis of functionalized p-cyclophanes, versatile building blocks for creating supramolecular polymers and (pseudo)rotaxanes. The presence of hydroquinone fragments in unsubstituted pillar[n]arene derivatives opens wide opportunities for their application in electrochemical sensors and for their use as reducing agents for synthesis of hybrid materials. Macrocyclic cavity plays the key role in molecular recognition, supramolecular self-assembly of pillararenes, and therefore possibility of switching electron donor properties of aromatic moieties, forming macrocyclic cavity presents specific interest. Synthesis of pillar[n]quinones is non-trivial goal, usually, it requires expensive reagents (сerium(IV) ammonium nitrate). As an oxidized compound alkoxy-derivatives of pillararenes are used. While possibility of red-ox transitions of decahydroxypillar[5]arene are well known, to the date in literature there are no examples of total oxidation of decahydroxypillar[5]arene. We have studied interaction of decahydroxy-pillar[5]arene with a row of inorganic oxidants: catalytic oxidation with air oxygen in presence of copper(II) and iron(III) nitrates, and oxidation with ammonium persulfate. In order to find the optimal conditions for oxidation of pillar[5]arene the series of solvents were tried (proton donor alcohols and acetic acid, proton acceptor dimethylformamide and dimethylsulfoxide). It was established that using glacial acetic acid as a solvent with ultrasonication leads to total oxidation of pillar[5]arene to pillar[5]quinone. This fact is explained by strong proton-donor properties of glacial acetic acid, to prevent formation of insoluble quinhydrone complexes of pillar[5]arene oxidation products. Using ammonium persulfate does not lead to the product of total oxidation.

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5

Liu, Zhaona, Bing Li, Leqian Song et Huacheng Zhang. « Pillar[n]arene–calix[m]arene hybrid macrocyclic structures ». RSC Advances 12, n^o 43 (2022) : 28185–95. http://dx.doi.org/10.1039/d2ra05118d.

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6

Khalil-Cruz, Laila E., Peiren Liu, Feihe Huang et Niveen M. Khashab. « Multifunctional Pillar[n]arene-Based Smart Nanomaterials ». ACS Applied Materials & ; Interfaces 13, n^o 27 (29 juin 2021) : 31337–54. http://dx.doi.org/10.1021/acsami.1c05798.

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7

Zhang, Huacheng, Zhaono Liu, Feifei Xin et Aaiyou Hao. « Synthesis and Application of Pillar[n]arene ». Chinese Journal of Organic Chemistry 32, n^o 2 (2012) : 219. http://dx.doi.org/10.6023/cjoc1107141.

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8

Xu, Xiaowen, Valentin Victor Jerca et Richard Hoogenboom. « Structural Diversification of Pillar[ n ]arene Macrocycles ». Angewandte Chemie International Edition 59, n^o 16 (13 mars 2020) : 6314–16. http://dx.doi.org/10.1002/anie.202002467.

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9

Ogoshi, Tomoki, Takahiro Kakuta et Tada‐aki Yamagishi. « Applications of Pillar[ n ]arene‐Based Supramolecular Assemblies ». Angewandte Chemie International Edition 58, n^o 8 (18 février 2019) : 2197–206. http://dx.doi.org/10.1002/anie.201805884.

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10

Xiao, Tangxin, Lijie Qi, Weiwei Zhong, Chen Lin, Ruibing Wang et Leyong Wang. « Stimuli-responsive nanocarriers constructed from pillar[n]arene-based supra-amphiphiles ». Materials Chemistry Frontiers 3, n^o 10 (2019) : 1973–93. http://dx.doi.org/10.1039/c9qm00428a.

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