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http://dx.doi.org/10.5012/bkcs.2011.32.8.2756

Preparation of New Binaphthol Derived Chiral Stationary Phases  

Zhang, Yi Jun (Department of Chemistry, Graduate School, Kyungpook National University)
Ryoo, Jae-Jeong (Department of Chemistry, Graduate School, Kyungpook National University)
Publication Information
Bulletin of the Korean Chemical Society / v.32, no.8, 2011 , pp. 2756-2760 More about this Journal
Abstract
To develop more advanced binaphthol derived CSPs, two new 1,1-bi-2-naphthol derived chiral stationary phases (CSPs) (CSP 1 and CSP 2) were prepared by connecting with silica gel at a hydroxy (OH) group of binaphthol. Previously reported two 1,1'-binaphthyl-2,2'-diamine derived CSPs (CSP 3 and CSP 4) were also prepared to compare the role of their functional groups (-OH and -$NH_2$) with CSP 1 and CSP 2. Enantioseparation of randomly selected, 11 chiral compounds on these four CSPs was performed and the results compared to each other. 3,5-Dinitrobenzoyl (3,5-DNB) derivatives of each CSP showed better results than the others and binaphthyldiamine derived CSP showed slightly better than binaphthol derived one.
Keywords
Binaphthol chiral stationary phase; Enantioseparation;
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