Helvetica Chimica Acta p. 657 - 661 (1981)
Update date:2022-08-04
Topics:
Bussmann, Walter
Lehn, Jean-Marie
Oesch, Urs
Plumere, Pierre
Simon, Wilhelm
A chiral macrocyclic crown ether exhibits an enantiomer-selectivity of 2.6 for α-phenylethylammonium ion when incorporated in solvent polymeric membranes.The sequence of selectivity of these membranes clearly differs from that of lipophilicity for the different biogenic ammonium ions studied, indicating a significant structural contribution.
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