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PubMed · 14507220

Cucurbit[n]uril analogues.

Jason Lagona·James C Fettinger·Lyle Isaacs
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Abstract

[structure: see text] Cucurbits come in a variety of sizes, shapes, and colors. We present a building block approach that allows the tailor-made synthesis of CB[5], CB[6], and CB[7] analogues whose sizes, shapes, and colors differ from those of the known CB[n].

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Bridged-Ring CompoundsColorCrystallography, X-RayImidazolesMagnetic Resonance SpectroscopyMolecular StructureSpectrophotometry, UltravioletMacrocyclic CompoundsCucurbit(n)urilsJournal ArticleResearch Support, Non-U.S. Gov'tResearch Support, U.S. Gov't, P.H.S.

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Jason Lagona, James C Fettinger, Lyle Isaacs. 2003-10-02. Cucurbit[n]uril analogues.. https://doi.org/10.1021/ol035468w

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PubMed2007

Reversible 2D pseudopolyrotaxanes based on cyclodextrins and cucurbit[6]uril.

In this paper, a pseudorotaxane (2) was synthesized by reaction of cucurbit [6]uril with 6-[(6-aminohexyl)amino]-6-deoxy-beta-cyclodextrin chloride. Subsequently, pseudorotaxanes 2 were further assembled to form a 2D pseudopolyrotaxane (3) through an alpha,omega-PPG2000 diamino polymer threading the cavities of cyclodextrins in 2, and the resulting pseudopolyrotaxane was comprehensively characterized by FT-IR, NMR, TG-DTA, elemental analysis, and transmission electron microscopy. Significantly, the 2D pseudopolyrotaxane can turn into a main-chain pseudopolyrotaxane in the presence of base, and then the addition of alpha-cyclodextrins may result in a reversible switch between two different 2D pseudopolyrotaxanes.

Bridged-Ring Compounds↗