Membrane transport systems. I. Synthesis and characterization of carriers for a proton driven alkali metal cation pump
LA Frederick, TM Fyles, NP Gurprasad…
Index: Frederick, Laurel A.; Fyles, Thomas M.; Gurprasad, Narine P.; Whitfield, Dennis M. Canadian Journal of Chemistry, 1981 , vol. 59, p. 1724 - 1733
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Citation Number: 52
Abstract
The synthesis of a series of macrocyclic polyethers (crown ethers) of interest as carriers for the countertransport of metal ions and protons across artificial membranes is described. Thallium mediated cyclization of oligoethyleneglycol diiodides with (+)-N, N,-N', N'- tetramethyltartaramide gave 15-crown-5 and 18-crown-6 diamides which were converted, via the diacids and anhydrides, to crown ether monoamides bearing long chain alkyl ...
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