准备 de 派生 de composes Crown-4 a cycle de 13 a 16 membres, en vue d'obtenir des ionophores selectifs du 锂。Les mesures potentiometriques montrent que c'est les composes 14-crown-4 et 15-crown-4 qui possedent les meilleurs proprietes
HIGHLY SELECTIVE IONOPHORE FOR LITHIUM IONS. 14-CROWN-4 DERIVATIVE BEARING A LONG ALIPHATIC CHAIN
作者:Keiichi Kimura、Sadaya Kitazawa、Toshiyuki Shono
DOI:10.1246/cl.1984.639
日期:1984.4.5
The 14-crown-4 derivative, 3-dodecyl-3-methyl-1,5,8,12-tetraoxacyclotetradecane, has proved to be highly Li+-selective. In the ion-selective polymeric membrane electrode based on the crown ether was attained marked preference of Li+ over alkali and alkaline-earth metal ions, NH4+, and H+.