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1 H NMR was employed to investigate the chiral recognition ability of two novel l-proline derived rigid chiral macrocyclic dioxopolyamines, (12S)-1,4,7,10-tetraazadicyclo[10.3.0]pentadecane-3,11-dione 1 and (8S,18S)-1,4,10,13,16-pentaazatricyclo[16.3.0.0 4,8 ]heneicosane-9,17-dione 2, the latter of which is newly synthesized. The crystal structures of the two macrocyclic compounds were...
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