2000•Journal of Tongji UniversityRequires access

Coordination Chemistry of Calixarene(XII) ——Study on Extraction of Fe~(3+) Ion Using p-tertbutylcalix[n]arene Carboxylic Acids

Shi Xian-fa

Abstract

The p-tertbutylcalix[4]arene tetracarboxylic acid(Ⅰ), p-tertbutylcalix[6]arene hexacarboxylic acid(Ⅱ),and p-tertbutylcalix[8]arene octacarboxylic acid (Ⅲ) were synthesized. The extraction of Fe 3+ using these calixarenes were investigated. The extraction mechanism was studied and the extraction equilibrium constants were determined. The possibility exclusing trace iron from rare-earth ions was also discussed.

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Key concepts: Calixarene, Extraction (chemistry), Chemistry, Carboxylic acid, Liquid–liquid extraction, Ion, Inorganic chemistry, Medicinal chemistry