Calorimeteric and NMR binding studies of hydrogen-bonding receptors for carboxylates

被引：11

作者：

Al-Sayah, Mohammad H. ^{[1
]}

Branda, Neil R. ^{[2
]}

机构：

[1] Amer Univ Sharjah, Dept Biol & Chem, Sharjah, U Arab Emirates

[2] Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada

来源：

THERMOCHIMICA ACTA | 2010年 / 503卷

关键词：

Anion binding; Synthetic receptors; NMR titrations; ITC titrations; Squaramide; MOLECULAR RECOGNITION; THERMODYNAMIC ASPECTS; ANION RECOGNITION; PET SENSORS; THIOUREA; SQUARAMIDE; CHEMISTRY; DESIGN; MEDIA;

D O I：

10.1016/j.tca.2010.03.003

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Two receptors (1 and 2) were designed and prepared to bind carboxylate anions through donor-donor hydrogen-bonding motifs provided by thiourea (1) and squaramide (2) groups. The binding efficacy of each receptor was studied using NMR and isothermal calorimetric titrations in DMSO and CH(3)CN/CHCl(3) solvent systems. Binding constants and changes in enthalpy and entropy of the binding process were calculated and evaluated. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：28 / 32

页数：5

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