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Report No.

Cooperative intramolecular interaction of diazacrown ether bearing $$beta$$-diketone fragments on an ionic liquid extraction system

Shimojo, Kojiro   ; Okamura, Hiroyuki   ; Hirayama, Naoki*; Umetani, Shigeo*; Imura, Hisanori*; Naganawa, Hirochika  

A novel extractant $$beta$$-diketone-substituted diaza-18-crown-6 demonstrated very efficient extraction of Sr$$^{2+}$$ due to an intramolecular synergistic effect on the ionic liquid extraction system and recovery of Sr$$^{2+}$$ from the ionic liquid was successfully achieved under acidic conditions.



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