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Synthesis and Characterization of New Thiacalix[4]arenes Bearing Semicarbazide and Thiosemicarbazide Fragments at the Lower Rim

✍ Scribed by Abdellah Omran Omran


Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
108 KB
Volume
27
Category
Article
ISSN
0256-7660

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Synthesis of tert-butylcalix[4]arenes mo
✍ 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