Synthesis of macrocyclic tetraamides derived from α-amino acids and their investigations using ESI-MS technique |
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| Authors: | Agnieszka SzczepańskaPiotr Sa?ański Janusz Jurczak |
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| Institution: | a Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44-52, PL-01-224 Warsaw, Poland
b Department of Chemistry, Warsaw University, Pasteura 1, PL-02-093, Warsaw, Poland |
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| Abstract: | Chiral α,ω-diesters react under high-pressure conditions (10 kbar) with α,ω-diamines to give chiral cyclic tetraamides of C2-symmetry. The complexation properties of tetraamides towards alkali metal cations (Li+, Na+, K+, Rb+ and Cs+) were estimated on the basis of ESI-MS spectra. |
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| Keywords: | tetraamide amino acid alkali metal ion receptor electrospray high pressure |
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