An artificial molecular receptor molecule for ditopic anions

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The synthetic strategy to connect two macrotricyclic ammonium salts of different sizes (1, 2) to give the ditopic receptor 9 is described. A host-guest complexation analysis reveals that the binding of 13 in contrast to the analogues 10 - 12 involves interactions with either tetrahedral subsite of 9. The ditopic receptor 9 discriminates between 12 and 13 by a factor of 3 relative to the monotopic host 2.

Original languageEnglish
Pages (from-to)1987-1990
Number of pages4
JournalTetrahedron Letters
Issue number18
StatePublished - 1986


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