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Guest-Enhanced Kinetic Stability of Hydrogen-Bonded Dimeric Capsules of Tetraurea Calix[4]arenes

✍ Scribed by Vysotsky, Myroslav O.; Böhmer, Volker


Book ID
127378598
Publisher
American Chemical Society
Year
2000
Tongue
English
Weight
57 KB
Volume
2
Category
Article
ISSN
1523-7060

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Molecules with New Topologies Derived fr
✍ Anca Bogdan; Michael Bolte; Volker Böhmer 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 450 KB 👁 1 views

## Abstract Tetraurea calix[4]arenes **2** have been synthesized in which two adjacent aryl urea residues are connected to a loop by an aliphatic chain ‐O‐(CH~2~)~__n__~‐O‐. The remaining urea residues have a bulky 3,5‐di‐__tert__‐butylphenyl residue and an __ω__‐alkenyloxyphenyl residue. Since thi