Water-Soluble Neutral Calix[4]arene−Lanthanide Complexes: Synthesis and Luminescence Properties
- 1 June 1997
- journal article
- research article
- Published by American Chemical Society (ACS) in The Journal of Organic Chemistry
- Vol. 62 (13) , 4229-4235
- https://doi.org/10.1021/jo970132j
Abstract
Water-soluble calix[4]arenes 10a,b with chromophores (“antenna”) attached to the lower rim via a short spacer are described. In the neutral lanthanide complexes of 10a,b photoexcitation of the antenna induces lanthanide emission via intramolecular energy transfer. Calix[4]arene 10b with a chrysene moiety as sensitizer shows strong lanthanide emission for Eu3+ with an excitation maximum at λ = 363 nm.Keywords
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