Determination of Enantiomeric Excess by Solid-Phase Extraction Using a Chiral Metal-Organic Framework as Sorbent

文献类型： 外文期刊

第一作者： Zhang, Jun-Hui

作者： Zhang, Jun-Hui;Tang, Bo;Xie, Sheng-Ming;Wang, Bang-Jin;Zi, Min;Yuan, Li-Ming;Zhang, Mei;Chen, Xing-Lian

作者机构：

关键词： metal-organic frameworks; enantiomeric excess; chiral compounds; solid-phase extraction

期刊名称：MOLECULES （ 影响因子：4.411； 五年影响因子：4.587 ）

ISSN： 1420-3049

年卷期： 2018 年 23 卷 11 期

页码：

收录情况： SCI

摘要： Metal-organic frameworks (MOFs) have recently attracted considerable attention because of their fascinating structures and intriguing potential applications in diverse areas. In this study, we developed a novel method for determination of enantiomeric excess (ee) of (+/-)-1,1'-bi-2-naphthol by solid-phase extraction (SPE) using a chiral MOF, [Co(L-tyr)](n)(L-tyrCo), as sorbent. After optimization of the experimental conditions, a good linear relationship between the ee and the absorbance of the eluate (R-2 = 0.9984) was obtained and the standard curve was established at the concentration of 3 mmol L-1. The ee values of (+/-)-1,1'-bi-2-naphthol samples can be rapidly calculated using the standard curve after determination of the absorbance of the eluate. The method showed good accuracy, with an average error of 2.26%, and is promising for ee analysis.

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