Ester derivatives of hexahomotrioxacalix[3]naphthalenes: conformational and binding properties with alkali metal cations |
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| Authors: | Ashram Muhammad Mizyed Shehadeh Georghiou Paris E |
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| Institution: | Department of Chemistry, Mu'Tah University, Al Karak, Jordan. |
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| Abstract: | The syntheses of the triesters formed between ethyl bromoacetate and hexahomotrioxacalix3]naphthalene 8, and its tert-butyl analogue 11, are described. Depending on the conditions employed, cone or partial cone conformers are produced. The conformations appear to have some influence on their complexation in neutral medium, with alkali metal cations. The X-ray structure of the partial cone triester 10 is presented. |
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