NMR Spectroscopy & QSPR Study of Crown Ethers & Cations’ Complexation的封面
书籍主题:

NMR Spectroscopy & QSPR Study of Crown Ethers & Cations’ Complexation

Stoichiometry, Stability and Thermodynamics Probing

LAP LAMBERT Academic Publishing (2012-08-30 )

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ISBN-13:

978-3-659-22924-4

ISBN-10:
3659229245
EAN:
9783659229244
书籍语言:
英文
作品简介:
Crown ethers are compounds with multiple oxygen heteroatoms (three or more) incorporated in a monocyclic carbon backbone. They were first synthesized by Pedersen. Their generic name originates from their molecular shape, reminiscent of a royal crown. According to the ‘‘hard–soft’’ acid–base theory and owing to the nature of their binding sites and to the presence of a hydrophilic cavity delineated by a lipophilic envelope, crown ethers exhibit a strong affinity and high selectivity for ammonium, alkali and alkaline earth metal ions. Crown ethers were the first synthetic ligands for which this pronounced selectivity was identified. Furthermore, because of their selective complex formation with hard metal ions as well as their negligible water solubility, crown ethers have been extensively used as suitable ion-carriers in solvent–solvent and solid phase extractions, ion-transport, ion-selective and PVC membrane ion-selective electrode studies, and the crown ether complexes used as a nano-switch recently.
出版社 :
LAP LAMBERT Academic Publishing
网址:
https://www.lap-publishing.com/
由(作者):
Hiua Daraei, Afshin Maleki
页码 :
136
发表日期:
2012-08-30
现货:
备有现货
类别:
化学
价格:
59.00 €
关键词:
QSPR, thermodynamic, Cations, crown ethers, NMR spectroscopy

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