Comparative analysis of the binding of thiacalix[4]arene-monocrown-ethers with monovalent metal salts using MALDI mass spectrometry

被引：0

作者：

Sharafutdinova, D. R. ^{[1
]}

Bazanova, O. B. ^{[1
]}

Murav'ev, A. A. ^{[1
]}

Solov'eva, S. E. ^{[1
]}

Bredikhina, Z. A. ^{[1
]}

Babaev, V. M. ^{[1
]}

Antipin, I. S. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Arbuzov Inst Organ & Phys Chem, Kazan Sci Ctr, Kazan 420088, Russia

[2] Kazan Fed Univ, Kazan 420008, Russia

来源：

JOURNAL OF ANALYTICAL CHEMISTRY | 2016年 / 71卷 / 14期

关键词：

thiacalix[4]arene-monocrown-ethers; monovalent metal ions; MALDI mass spectrometry; selectivity; LASER-DESORPTION IONIZATION; ELECTROSPRAY-IONIZATION; SUPRAMOLECULAR CHEMISTRY; CALIXARENES; EXTRACTION; ETHERS; COMPLEXATION; FRAGMENTS; CESIUM;

D O I：

10.1134/S1061934816140148

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

MALDI mass spectrometry is used for the first time for the rapid assessment of the binding of thiacalix[4]arene-monocrown-ethers with metal cations (Li, Na, K, Cs, Cu, Ag). The work is performed on examples of thiacalix[4]arene-monocrown-ethers in 1,3-alternate conformation with various numbers (m) of ethylene oxide units and various substituents in phenol groups. It is shown that thiacalix[4]arene-monocrown- ethers with m = 3, 4, 5, and 6 bind lithium, sodium, potassium, and cesium cations, respectively; in addition, the binding of cesium cations is stronger in the presence of aromatic substituents in the lower rim of thiacalix[4]arene-monocrown-ethers. Silver cations bind with calixarenes under study more intensely than copper ions. When aromatic substituents are present, the binding of silver cations is stronger than that of alkali metal ions with the studied thiacalix[4]arene-monocrown-ethers.

引用

页码：1352 / 1359

页数：8

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