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Hydrogen-Bonded Dimers of Tetra-urea Calix[4]arenes Stable in THF

✍ Scribed by Vatsouro, Ivan; Rudzevich, Valentyn; Böhmer, Volker

Book ID
111874096
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
79 KB
Volume
9
Category
Article
ISSN
1523-7060

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Molecules with New Topologies Derived from Hydrogen-Bonded Dimers of Tetraurea Calix[4]arenes
✍ 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