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Synthesis of Chiral Tetraazacoronands Derived from l-Alanine and Their Investigations Using Capillary Electrophoresis Technique

✍ Scribed by Agnieszka Szczepańska; Anna Bielejewska; Arkadiusz Kwaterczak; Janusz Jurczak

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
248 KB
Volume
2
Category
Article
ISSN
1472-7862

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Chiral a,v-diesters react under high-pressure conditions (10 kbar) with a,v-diamines to give chiral cyclic tetraamides of C 2symmetry. The complexation properties of tetraamides towards alkali metal cations (Li þ , Na þ , K þ , Rb þ and Cs þ ) were estimated on the basis of ESI-MS spectra.