Di-Benzo-18-Crown-6 and its Derivatives as Ligands in the Search for Ion Channels
نویسندگان
چکیده
Based on the previously reported one-dimensional channel system [(H2O) (DB18C6)(μ2-H2O)2/2][(H3O) (DB18C6)(μ2H2O)2/2]I3 (2), which is realized by stacking of crown ether molecules (DB18C6 dibenzo-18-crown-6), other synthetic approaches towards ionic channels and their results are presented in this paper. The “cutting out” approach using DB18C6 as scissor, applied on NaI, yields the compound [Na (DB18C6)I(THF)][Na (DB18C6)(H2O)2]I(THF)2(CHI3) (1), in high yield. It is based on a neutral and a cationic complex of sodium by DB18C6 linked via H-bonding to give short chain fragments. The anion exchange approach, trying to replace I3 by Br3 leads to the intercalation
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A Study on the Removal of Chromium(VI) Oxanions from Acid Solutions by Using Oxonium Ion-Crown Ether Complexes as Mobile Carrier Agents
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