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The Effect of Incorporating Fréchet Dendrons into Rotaxanes and Molecular Shuttles Containing the 1,2-Bis(pyridinium)ethane⊂[24]Crown-8 Templating Motif

✍ Scribed by David A. Tramontozzi; Natalie D. Suhan; S. Holger Eichhorn; Stephen J. Loeb

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 944 KB
Volume: 16
Category: Article
ISSN: 0947-6539
DOI: 10.1002/chem.200903174

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A New Motif for the Self-Assembly of [2]Pseudorotaxanes; 1,2-Bis(pyridinium)ethane Axles and [24]Crown-8 Ether Wheels

✍ Stephen J. Loeb; James A. Wisner 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 125 KB

Multiple intramolecular interactions help to stabilize the novel [2]pseudorotaxanes formed from 1,2-bis(pyridinium)ethane dications (which act as axles) and 24-membered crown ethers (which act as wheels; see structure). This is the first successful sythesis of [2]pseudorotaxanes with [24]crown-8 as