Abstract
1,3-Dipropyloxycalix[4]arene dibenzocrown ethers were synthesized in the fixed 1,3-alternate conformation by the reaction of 1,3-dipropyloxycalix[4]arenes with a dibenzo dimesylates. Complexation toward alkali metal ions using ISEs showed a high cesium selectivity. Conformational flexibility of the corresponding 1,3-alternate calixcrown ether (4) with respect to the NMR time scale is found to depend on the temperature and polarity of the NMR solvent.
| Original language | English |
|---|---|
| Pages (from-to) | 1014-1017 |
| Number of pages | 4 |
| Journal | Bulletin of the Korean Chemical Society |
| Volume | 18 |
| Issue number | 9 |
| Publication status | Published - 1997 Dec 1 |
ASJC Scopus subject areas
- Chemistry(all)
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Kim, J. S., Ohki, A., Cho, M. H., Kim, J. K., Ra, D. Y., Cho, N. S., Bartsch, R. A., Lee, K. W., & Oh, W. Z. (1997). Complexation and Conformational Flexibility of Calix[4]arene Dibenzocrown Ethers. Bulletin of the Korean Chemical Society, 18(9), 1014-1017.