Complexation of Calix[4]arene Derivatives and Trivalent Cations in Dipolar Aprotic Media
✍ Scribed by Danil de Namor, Angela F.; Baron, Kholood; Chahine, Samir; Jafou, Olga
- Book ID
- 127315548
- Publisher
- American Chemical Society
- Year
- 2004
- Tongue
- English
- Weight
- 112 KB
- Volume
- 108
- Category
- Article
- ISSN
- 1089-5639
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## Abstract Molecular‐mechanics (MM) and molecular‐dynamics (MD) simulations (in MeOH) were performed on Eu^3+^ complexes of two derivatized calix[4]arenes (2b and 2d) and a bislariat diazacrown ether (3). The Quanta/CHARMm Lennard‐Jones parameters of Ca^2+^ proved suitable as a model for the Lenna
## Abstract A general method has been developed for the preparation of bis(syn‐proximally) functionalized calix[4]arenes (6, 8–10). Starting from __p‐tert__‐butylcalix[4]arene 1a and calix[4]arene 1b syn‐proximally __dialkylated__ calix[4]arenes 2a and 2b, 4, and 5, respectively, were obtained by t