Modular synthesis of di- and tripeptides of luminescent crown ether aminocarboxylic acids |
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Authors: | Andreas Spä th |
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Affiliation: | Institut für Organische Chemie, Universität Regensburg, D-93040 Regensburg, Germany |
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Abstract: | Luminescent benzo crown ether aminocarboxylic acids with ammonium ion affinity were prepared and converted into linear bis- and tris benzo crown ether amides using standard peptide coupling protocols. The affinities of the new crown ethers to ammonium ions and di- and tetrapeptides bearing ammonium ion moieties were determined by emission titration in methanol and buffered water. |
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