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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 11
BKCSDE 32(11)
November 20, 2011

Title	Structure Optimization of Di-ionizable Calixarene Nano-baskets for Competitive Solvent Extraction of Alkali and Alkaline Earth Metals
Author	Bahram Mokhtari, Kobra Pourabdollah *
Keywords	Nano-basket, Solvent extraction, Conformation, Calix[4]arene, Alkali metal
Abstract	The competitive solvent extractions of alkali and alkaline earth metals by di-ionizable calix[4]arene nanobaskets were studied using nine conformers of calix[4]arene nano-baskets. The objective of this work is to assess the variation of macrocycle conformation, orientation and position of pendant moieties upon the extraction parameters (efficiency, selectivity and pH1/2) of the complexes. The results revealed that alternation of ring conformation in calixarene scaffold affects the solvent extraction parameters towards alkali and alkaline earth metals, while changing the orientation of pendant moieties from ortho- to para- as well as cis- to transanalogues depicted no changes in those extraction parameters.
Page	3855 - 3860
Full Text	PDF / Supporting Information

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