Ion Selectivity of 14-Crown-4 Derivative Possessing Two Potential Anionic Sites on Extraction of Alkali and Alkaline-Earth Metal Ions
作者:Keiichi Kimura、Mutsuo Tanaka、Toshiyuki Shono
DOI:10.1246/bcsj.60.3068
日期:1987.8
A lipophilic 14-crown-4 derivative bearing two dinitrophenol moieties was synthesized and its ion selectivity was elucidated on cation extraction from a basic aqueous phase into an organic phase. The crown ether derivative was found to possess preferences for Ca2+ and Sr2+ as well as Li+.