Alkali metal ion select ability of di-propoxy- p-tert-butyl-Calix[4]arene, synthesized in acetonitrile

Authors

Department of Chemistry, Islamic Azad University, Central Tehran Branch, Tehran, Iran

Abstract

Synthesis and cation selectivity of 25, 27, dipropoxy-26, 28, Di-propoxy 5, 11, 17, 23, ptert-
butyl Calix[4]arene are studied in acetonitrile solution. The stability constants of different
complexes of Calixarene (as a ligand) with alkali metal cations are determined at 25 °C by using
spectrophotometric technique.On the basis of calculations, complexation of Calixarene with Cs+
and Li+ are more favored than others. In all cases, it has been shown to form exclusively 1:1
(metal ion to ligand) complex with alkali cations in experimental condition.

Keywords


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