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|Title:||Synthetic ionophores: Part 22 — Synthesis and ionophore behaviour of dioxadiamide-amine based macrocycles appended on binaphthol, biphenyl and calixarene platforms†|
|Abstract:||The diesters 3 and 4 prepared by o-alkylations of 1,1'-bi-2-naphthol and 2,2' dihydroxybiphenyl with ethyl chloroacetate and the 1,3-diester of calixarene undergo aminolysis with diethylenetriamine and 3,3'-diaminodipropylamine to provide dioxadiamide-amine based macrocycles. Amongst these macrocycles calixarene based macrocycle 10 shows moderate selectivity towards Pb2+ over alkali and alkaline earth metal cations.|
|Appears in Collections:||IJC-B Vol.40B(11) [November 2001]|
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