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Synthesis of tert-Butylcalix[4]arenes Modified with Germanium-Containing Side-Chains at the Lower Rim.

✍ Scribed by Takayuki Sakurai; Yoshito Takeuchi

Publisher
John Wiley and Sons
Year
2003
Weight
51 KB
Volume
34
Category
Article
ISSN
0931-7597

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Synthesis of tert-butylcalix[4]arenes mo
Synthesis of tert-butylcalix[4]arenes modified with germanium-containing side-chains at the lower rim
✍ Takayuki Sakurai; Yoshito Takeuchi 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 202 KB

## Abstract Bis‐, tris‐, and tetrakis‐trimethylgermylpropanoyl esters of p‐tert‐butylcalix[4]arenes **__5, 7__**, and **__8__** were synthesized and their conformations in solution were determined by ^1^H and ^13^C NMR spectroscopy. The characteristic pair of doublets from the ArCH~2~Ar methylene