Compositional Variation of Ionizable Crown Ether-Alkali Metal Ion Complexes in the Solvent Extraction Using Several Extraction Solvents

DOI: 10.1246/cl.1992.1535

Source and publish data:

Chemistry Letters p. 1535 - 1538 (1992)

Update date:2022-08-04

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Authors:

Sakamoto, Hidefumi

Goto, Hiroki

Doi, Kunio

Otomo, Makoto

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Article abstract of DOI:10.1246/cl.1992.1535

Novel benzo-15-crown-5 and 18-crown-6 derivatives bearing an ionizable hydrazone group were synthesized and complex formation equilibria of the compounds with alkali metal ions in solvent extraction were evaluated spectrophotometrically.Formation of 2:2 complexes of the crown ethers with metal ions was observed using chloroform as an extraction solvent.

Full text of DOI:10.1246/cl.1992.1535

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