Stepwise Synthesis and Selective Dimerisation of Bis- and Trisloop Tetra-urea Calix[4]arenes
✍ Scribed by Yuliya Rudzevich; Yudong Cao; Valentyn Rudzevich; Volker Böhmer
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 524 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0947-6539
No coin nor oath required. For personal study only.
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## 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