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Results and Discussion Host–guest complexation in the solid state. Cocrystals of H and G were obtained by slow evaporation of the solution in methanol. The X-ray crystallography revealed that two host molecules complex one guest molecule, forming a [3]pseudorotaxane in the solid state ().In the crystal structure, the alkyl chain of the guest …
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Contributors and Attributions. John D. Robert and Marjorie C. Caserio (1977) Basic Principles of Organic Chemistry, second edition. W. A. Benjamin, Inc., Menlo Park, CA. ISBN 0-8053-8329-8. This content is copyrighted under the following conditions, "You are granted permission for individual, educational, research and non-commercial …
Using water-soluble pillar[6]arene (WP6) as a host molecule, a supramolecular host-guest complex WP6⊃G is formed, which can further self-assemble into supramolecular vesicles in aqueous solution. ... Construction of drug-drug conjugate supramolecular nanocarriers based on water-soluble pillar[6]arene for combination …
Pillar[5]arene-based molecular universal joints (MUJs), bearing fused crown ether subring (MUJ1 and MUJ3) or a ring without ether oxygen atom (MUJ2), were synthesized and enantio‑differentiated.Significant chiral inversion was observed for the crown ether-fused MUJs upon the addition of equivalent cations Na +, showing an …
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Construction of pillar[5]arene-based photochromic supramolecular polymeric system with tunable thermal bleaching rate. Author links open overlay panel Qiuxia Wu a, Tianze Zhang a, ... Pillar[5]arene [30], a pentacyclic hydroquinone structure linked by the methylene bridge at the 2/5- positions, has emerged as a new macrocyclic …
We report novel pseudorotaxanes based on the complexation between pillar[4]arene[1]quinone and 1,10-dibromodecane. The complexation is found to have a 1:1 host–guest complexation stoichiometry ...
Using water-soluble pillar[6]arene (WP6) as a host molecule, a supramolecular host–guest complex WP6⊃G is formed, which can further self-assemble into supramolecular vesicles in aqueous solution. In the specific microenvironment of cancer cells, the disulfide linkage is destroyed and the two anticancer drugs can be released …
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Conformationally fixed oxacalix[4]arene-bridged pillar[5]arene dimers comprising a pair of enantiomers and a meso isomer were designed and synthesized. Furthermore, chiral [2]rotaxanes and [3]rotaxanes were constructed. Two pairs of enantiomers for [2]rotaxanes, one pair of enantiomers and a meso isomer for
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Here, we report a desymmetrization approach to centrally chiral unfunctionalized arenes, which is enabled by the enantioselective de novo construction …
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Conformationally fixed oxacalix[4]arene-bridged pillar[5]arene dimers comprising a pair of enantiomers and a meso isomer were designed and synthesized. Furthermore, chiral [2]rotaxanes and [3]rotaxanes were constructed. ... syntheses, planar chirality and construction of chiral rotaxanes Chem Commun (Camb). 2020 Sep …
DOI: 10.1016/J.CCLET.2019.04.024 Corpus ID: 146105722; Construction of [1]rotaxanes with pillar[5]arene as the wheel and terpyridine as the stopper @article{Zhao2020ConstructionO, title={Construction of [1]rotaxanes with pillar[5]arene as the wheel and terpyridine as the stopper}, author={Ling-ling Zhao and Ying Han and …
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A novel metallosupramolecular polypseudorotaxane constructed by metal coordination and pillar[6]arene-based molecular recognition was built. A novel metallosupramolecular polypseudorotaxane constructed by metal coordination and pillar[6]arene-based molecular recognition was built.
* Corresponding authors a State Key Laboratory of Chemical Engineering, Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China E-mail: [email protected], [email protected]
We report novel pseudorotaxanes based on the complexation between a pillar[4]arene[1]quinone and 1,10-dibromodecane. The complexation is found to have a 1:1 host–guest complexation stoichiometry in chloroform but a 2:1 host–guest complexation stoichiometry in the solid state. From single crystal X-ray diffraction, the linear guest …
A gas and photo dual-responsive host-guest recognition motif was established based on a water-soluble pillar[6]arene and an azobenzene derivative in an aqueous medium for the construction of a supra-amphiphile which could reversibly self-assemble into vesicles upon UV/vis irradiation or bubbling with N2/CO2. Expand
A [2]pseudorotaxane based on a pillar[6]arene and its application in the construction of a metallosupramolecular polymer D. Xia, X. Lv, K. Chen and P. Wang, Dalton Trans., 2019, 48, 9954 DOI: 10.1039/C9DT01713E
The landscape of arene synthesis and manipulations are currently dominated by aromatic substitution reactions. As evident from the foregoing discussion, …
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