Effects of Side-Chain Substituents in Benzo-15-Crown-5 on Lithium Extraction

被引：9
作者：
Demin, S. V. [1 ,2 ]
Shokurova, N. A. [1 ]
Demina, L. I. [1 ,2 ]
Kuz'mina, L. G. [2 ]
Zhilov, V. I. [1 ,2 ]
Tsivadze, A. Yu. [1 ,2 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119991, Russia
[2] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2018年 / 63卷 / 01期
基金：
俄罗斯科学基金会;
关键词：
SYSTEM; SEPARATION;
D O I：
10.1134/S0036023618010059
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Chloroform-water extraction systems have been studied using crown-ethers as extracting agents, namely: benzo-15-crown-5 (B15C5), 2,3-naphtho-15-crown-5 (N15C5), 4'-nitro-benzo-15-crown-5 (NO(2)B15C5), 4'-tert-butyl-benzo-15-crown-5 (TBB15C5), and 4'-acetyl-benzo-15-crown-5 (AcB15C5). Extraction isotherms of these systems have been obtained, and an attempt made to elucidate the effect of the structure of extracting agent on extraction characteristics. IR-spectroscopic studies have been performed for selected crown-ethers and their complexes in crystalline form and in chloroform solutions, namely, for N15C5, NO(2)B15C5, AcB15C5, and B15C5. The complexes LiN15C5H(2)OClO(4) (1), LiN15C5H(2)OI (2), LiNO(2)B15C5H(2)OI (3), LiAcB15C5H(2)OI (4), and LiTBB15C5H(2)OI (5) have been isolated for the first time and characterized by IR spectroscopy. Single-crystal X-ray data have been obtained for complexes 1-3.
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页码：121 / 127
页数：7
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