A self-complexing and self-assembling pillar[5]arene.
نویسندگان
چکیده
A monofunctionalised pillar[5]arene derivative carrying a viologen side chain which exhibits self-complexation in dilute dichloromethane solutions forms supramolecular daisy chain polymers and eventually organogels as its concentration is increased three-fold over the range from 0.1 to 100 mM.
منابع مشابه
Photoresponsive supramolecular self-assembly of monofunctionalized pillar[5]arene based on stiff stilbene.
We report a photoresponsive monofunctionalized pillar[5]arene based on stiff stilbene. The Z isomer, Z-1, tends to form self-complexing [1]pseudorotaxanes and [c2] daisy chains, whereas the E analog, E-1, forms supramolecular polymers.
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The first synthesis of a monohydroxy pillar[5]arene has been carried out, by controlling the de-O-methylation of per-methylated pillar[5]arene. Using monohydroxy pillar[5]arene as an intermediate, mono-guest-functionalized pillar[5]arene was prepared. It formed a self-inclusion complex in CDCl(3) whereas in acetone-d(6) dethreading of the guest moiety took place.
متن کاملA CO(2)-responsive pillar[5]arene: synthesis and self-assembly in water.
The aggregate morphology of a CO2-responsive pillar[5]arene was reversibly controlled between toroid-like assemblies and irregular aggregates by bubbling CO2 and N2 repeatedly.
متن کاملA pillar[5]arene-fused cryptand: from orthogonal self-assembly to supramolecular polymer.
A pillar[5]arene-fused cryptand with two different cavities was synthesized successfully. It was found that the novel tricyclic host could associate with two different guest species in an orthogonal manner. And based on this orthogonal self-assembly of two host-guest interactions, a novel type of supramolecular polymer was constructed easily and conveniently.
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ورودعنوان ژورنال:
- Chemical communications
دوره 48 11 شماره
صفحات -
تاریخ انتشار 2012