Lithium-Selective Coloration of Spirobenzopyran Derivative Incorporating Monoaza-12-Crown-4 in Micellar Solution
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A spirobenzopyran derivative bearing a monoaza-12-crown-4 moiety and an octadecyl group as a lipophilic chain was synthesized and was used as a chromogenic reagent for alkali metal ion in micellar solutions. The crowned spirobenzopyran derivative exhibited highly Li<SUP>+</SUP>-selective spectral changes under high pH conditions.
- Chemistry Letters
Chemistry Letters 2000(8), 928-929, 2000-08-05
The Chemical Society of Japan