Synthesis, structural characterization, and anion binding ability of sterically congested adamantane-calix[4]pyrroles and adamantane-calixphyrins |
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| Authors: | Marija Ale&scaron kovi?,Nikola Basari? |
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| Affiliation: | a Department of Organic Chemistry and Biochemistry, Ru?er Boškovi? Institute, Bijeni?ka cesta 54, PO Box 180, 10 002 Zagreb, Croatia
b Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, 10 000 Zagreb, Croatia |
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| Abstract: | Novel adamantane derivatives of calix[4]pyrroles 4-8 and calixphyrin 9 have been synthesized. The structure of 8 has been characterized by X-ray powder diffraction and the structure of 9 by single crystal X-ray analysis. Whereas calixphyrin 9 does not bind anions, analogous calyx[4]pyrrole 8 forms a complex with Cl− in the DMSO solution and in the solid state. The solid state complexation has been accomplished on grinding in a mill, which is the first example of complex formation with an anion in the solid state. |
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| Keywords: | Adamantane-calix[4]pyrroles Synthesis X-ray powder diffraction analysis Anion binding |
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