Journal of the Chemical Society. Perkin transactions II p. 447 - 450 (1984)
Update date:2022-08-11
Topics:
Kimura, Keiichi
Ishikawa, Atsuo
Tamura, Hiroshi
Shono, Toshiyuki
Lipophilic bis(crown ethers) containing 15-crown-5 and 18-crown-6 rings were synthesized so as to obtain excellent neutral carriers for K+- and Cs+-selective electrodes, respectively.The K+-selective electrode based on the dodecylmethylmalonate of bis(15-crown-5), (I) (n = 1, R = Me), exhibited eminent electrode properties, proving of great practical use, while the Cs+-selective electrode of the bis(18-crown-6) derivative (I) (n = 2, R = Me) did not give results as good as expected.The electrochemical selectivities of the K+ electrode based on the dodecylmalonate of bis(15-crown-5), (I) (n = 1, R = H), and octadecanoyloxymethyl-15-crown-5 (II) are also discussed.
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