WATER-SOLUBLE CALIX[6]ARENES - CHARACTERIZATION OF 5,11,17,23,29,35-HEXASULPHONATE-37,38,39,40,41,42-HEXAHYDROXYCALIX[6]ARENE AND THERMODYNAMIC STUDY OF PROTON COMPLEX-FORMATION

被引：52

作者：

ARENA, G ^{[1
]}

CONTINO, A ^{[1
]}

LOMBARDO, GG ^{[1
]}

SCIOTTO, D ^{[1
]}

机构：

[1] CNR,IST STUDIO SOSTANZE NAT INTERESSE ALIMENTARE & CH,I-95125 CATANIA,ITALY

来源：

THERMOCHIMICA ACTA | 1995年 / 264卷

关键词：

AQUEOUS SOLUTION; CALIXARENES; CALORIMETRY; STABILITY CONSTANTS;

D O I：

10.1016/0040-6031(95)02383-D

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The title compound, synthesized by modifying the procedure described in literature, was characterized by NMR, IR, TG, LSIMS, ICP-AES and potentiometry, and found to be an octasodium salt, Its protonation constants were determined in aqueous solution at 25 degrees C and I = 0.1 mol dm(-3) (NaNO3) and compared with literature data determined under similar conditions. Enthalpy and entropy values, determined calorimetrically under the same experimental conditions employed for the potentiometric measurements, together with NMR results, provide a detailed picture of the processes taking place in aqueous solution.

引用

页码：1 / 11

页数：11

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