Self-assembly of molecular capsules in polar solvents |
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Authors: | Zadmard Reza Schrader Thomas Grawe Thomas Kraft Arno |
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Institution: | Fachbereich Chemie, Universit?t Marburg, Hans-Meerwein-Strasse 35032, Germany. |
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Abstract: | structure: see text] We present a novel type of molecular capsule formed by self-organization of calix4]arenes with several oppositely charged functional groups located at their upper rims. In highly polar solvents, the complementary half-spheres form stable 1:1 complexes with association constants of up to 7 x 10(5) M(-)(1) in methanol. The cavity inside the capsules is large enough for the inclusion of small aliphatic or (hetero)aromatic guest molecules. |
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