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使用电荷中性、裂缝状、氨基硫脲受体对水溶液中的阴离子进行比色传感：在阴离子识别中平衡氢键和去质子化作用。

Colorimetric sensing of anions in aqueous solution using a charge neutral, cleft-like, amidothiourea receptor: tilting the balance between hydrogen bonding and deprotonation in anion recognition.

作者信息

Duke Rebecca M, O'Brien John E, McCabe Thomas, Gunnlaugsson Thorfinnur

机构信息

School of Chemistry, Centre for Synthesis and Chemical Biology, Trinity College Dublin, Dublin 2, Ireland.

出版信息

Org Biomol Chem. 2008 Nov 21;6(22):4089-92. doi: 10.1039/b807579d. Epub 2008 Oct 3.

DOI:10.1039/b807579d
PMID:18972035
Abstract

The design, synthesis and physical evaluation of 1, a visible colorimetric 'naked eye' pyridyl based bis-amidothiourea sensor for anions, is described. This charge neutral sensor gives rise to significant changes in the absorption spectra upon interactions with several important biological anions such as AMP and ADP in 4:1 DMSO-H(2)O solution, while ATP was not detected. These colorimetric changes are due to the formation, or the combination of hydrogen bonding complexes and/or deprotonation between these anions and 1.

摘要

本文描述了1的设计、合成及物理评估，1是一种基于吡啶基的可见比色“裸眼”双酰胺硫脲阴离子传感器。这种电荷中性传感器在与4:1的二甲基亚砜 - 水混合溶液中的几种重要生物阴离子（如AMP和ADP）相互作用时，吸收光谱会发生显著变化，而未检测到ATP。这些比色变化是由于这些阴离子与1之间形成氢键复合物和/或去质子化，或两者共同作用所致。

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