Determination of Enantiomeric Excess by Solid-Phase Extraction Using a Chiral Metal-Organic Framework as Sorbent
文献类型： 外文期刊
作者： Zhang, Jun-Hui 1 ; Tang, Bo 1 ; Xie, Sheng-Ming 1 ; Wang, Bang-Jin 1 ; Zhang, Mei 2 ; Chen, Xing-Lian 3 ; Zi, Min 1 ; Yua 1 ;
作者机构： 1.Yunnan Normal Univ, Dept Chem, Kunming 650500, Yunnan, Peoples R China
2.Yunnan Univ Tradit Chinese Med, Coll Pharmaceut Sci, Kunming 650500, Yunnan, Peoples R China
3.Yunnan Acad Agr Sci, Inst Qual Stand & Testing Technol, Kunming 650224, Yunnan, Peoples R China
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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