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Hydrogen bonded homo- and heterodimers of tetra urea derivatives of calix[4]arenes

✍ Scribed by Oliver Mogck; Volker Böhmer; Walter Vogt

Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
421 KB
Volume
52
Category
Article
ISSN
0040-4020

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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