Synthesis and characterization of macrocycles as enlarged calix[4]arene analogues
- 1 January 1993
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 11,p. 976-978
- https://doi.org/10.1039/c39930000976
Abstract
Macrocycle 2, which is obtained in 86% yield from calixarene analogue 1 by Birch reduction, does not undergo intramolecular benzene-ring rotation between room temp, and 125 °C according to variable temperature (VT) NMR experiments and derivative 3 is an ionophore for alkali metals, transition metals and lanthanoids.Keywords
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