Pillar[5]arene-based side-chain polypseudorotaxanes as an anion-responsive fluorescent sensor

Sun, Shengjie; Hu, Xiao‐Yu; Chen, Dongzhong; Shi, Jianbing; Dong, Yuping; Chen, Lin; Pan, Yi; Wang, Leyong

doi:10.1039/c3py00162h

Cited by 103 publications

(43 citation statements)

References 58 publications

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“…211,212 Fluorescence from the π-conjugated polymer was quenched by the addition of the noctylpyrazinium cation G85 because of an electron transfer process from the π-conjugated polymer 4 to the n-octylpyrazinium cation G85. The addition of halide anions led to fluorescence recovery in the order of Cl − > Br − > I − .…”

Section: Application Of Pillar[n]arene-based Host−guest Systemsmentioning

confidence: 99%

Pillar-Shaped Macrocyclic Hosts Pillar[n]arenes: New Key Players for Supramolecular Chemistry

2016

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In 2008, we reported a new class of pillar-shaped macrocyclic hosts, known as "pillar[n]arenes". Today, pillar[n]arenes are recognized as key players in supramolecular chemistry because of their facile synthesis, unique pillar shape, versatile functionality, interesting host-guest properties, and original supramolecular assembly characteristics, which have resulted in numerous electrochemical and biomedical material applications. In this Review, we have provided historical background to macrocyclic chemistry, followed by a detailed discussion of the fundamental properties of pillar[n]arenes, including their synthesis, structure, and host-guest properties. Furthermore, we have discussed the applications of pillar[n]arenes to materials science, as well as their applications in supramolecular chemistry, in terms of their fundamental properties. Finally, we have described the future perspectives of pillar[n]arene chemistry. We hope that this Review will provide a useful reference for researchers working in the field and inspire discoveries concerning pillar[n]arene chemistry.

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Section: Application Of Pillar[n]arene-based Host−guest Systemsmentioning

confidence: 99%

Pillar-Shaped Macrocyclic Hosts Pillar[n]arenes: New Key Players for Supramolecular Chemistry

2016

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“…They are the building blocks for the preparation of artificial molecular machines, supramolecular polymers, supramolecular gels, and other functional supramolecular materials [20][21][22][23]. Some of them are promising in preparation of molecular sensors and in drug delivery [24][25][26][27][28]. [1]pseudorotaxanes are one of the basic threaded structures for pseudorotaxane.…”

Section: Introductionmentioning

confidence: 99%

Monofunctionalized pillar[5]arene-based stable [1]pseudorotaxane

Sun

Chen

et al. 2015

Chinese Chemical Letters

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“…Percec et al have synthesized liquid crystalline polymers containing large macrocyclic mesogens in the main chain or side chain and studied their mesomorphic behavior. Recently, some conjugated polymers containing calix[4]arene in the backbone or as substituents and pillar[5]arene as substituent were also synthesized and reported. To our knowledge, polyimines with macrocycles in the main or side chain were not synthesized until now.…”

Section: Introductionmentioning

confidence: 99%

Imine polymers containing chiral nanohoops in the backbone obtained through [2 + 2] cyclocondensation

Vacareanu¹,

Negru²,

Grigoraş³

2018

J. Polym. Sci. Part A: Polym. Chem.

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A simple method for synthesis of polymers containing shape persistent imine macrocycles as nanohoops in the main chain is studied. It is based on the cyclocondensation reaction carried out in solution and room temperature of triphenylamine‐based tetraaldehyde compounds with (R,R)‐trans‐1,2‐diaminocyclohexane. The pristine polymer P1 bearing long alkyl groups is soluble during the synthesis but becomes insoluble after precipitation due to the strong and multiple CH/π and π‐π stacking intermolecular interactions from arene–arene species and entanglement and interpenetrating of flexible alkyl groups inside of rigid macrocycle hollow. Polymer without any solubilizing groups (P2) separates during the polymerization as an insoluble material. Both polymers are amorphous and have good thermal and environmental stability. They have a low surface area because discrete nanovoids introduced by macrocycles are disconnected in the amorphous polymers and non‐accessible for gas adsorption. Polymers have inherent luminescent properties due to triphenylamine groups and chirality derived from (R,R)‐conformation of the cyclohexane skeleton. In presence of picric acid (PA), the polymer fluorescence in solid state or suspension is strongly quenched, thus the polymers can work as efficient fluorescent probes toward nitrophenolic compounds. © 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2018, 56, 2565–2573

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Pillar[5]arene-based side-chain polypseudorotaxanes as an anion-responsive fluorescent sensor

Cited by 103 publications

References 58 publications

Pillar-Shaped Macrocyclic Hosts Pillar[n]arenes: New Key Players for Supramolecular Chemistry

Pillar-Shaped Macrocyclic Hosts Pillar[n]arenes: New Key Players for Supramolecular Chemistry

Monofunctionalized pillar[5]arene-based stable [1]pseudorotaxane

Imine polymers containing chiral nanohoops in the backbone obtained through [2 + 2] cyclocondensation

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