An inherently chiral calix[4]crown carboxylic acid in the partial cone conformation
✍ Scribed by Jiao Shi, Si-Zhe Li, Yu-Xiang Xia…
- Book ID
- 120676200
- Publisher
- Springer Netherlands
- Year
- 2012
- Tongue
- English
- Weight
- 450 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0923-0750
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## Abstract A series of inherently chiral calix[4]arenes with cone and partial cone conformations and with crown ether moieties of variable size have been readily synthesized. By taking advantage of the carboxy appendage on the lower rim, these were condensed with the chiral auxiliary (__S__)‐BINOL
Two calix[4] arene derivatives, in the partial cone conformation, with sulfur-containing functionalities, were tested as neutral carrier ionophores in potentiometric silver-selective electrodes of conventional membrane and membrane-coated glassy carbon electrode types. Comparison with a calix[4]are