期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1325, 期 -, 页码 163-170出版社
ELSEVIER
DOI: 10.1016/j.chroma.2013.12.023
关键词
Homochiral metal-organic frameworks; Stationary phase; High performance liquid chromatography; Enantioseparation; Positional isomers separation
资金
- National Science Foundation [21275126, 21127012]
This study focused on exploring the chromatographic characteristic of a homochiral MOF [Cu-2(D-Cam)(2)(4,4'-bpy)](n) with 3-D six-connected self-penetrating architectures for the separations of positional isomers and chiral compounds. Some effects such as mobile phase composition, column temperature, and analytes mass for separations on this chiral column also have been investigated. Among thirteen tested racemates, six compounds, namely three alcohols, a diol, a naphthol and a ketone were successfully discriminated, and ten useful positional isomers which have never been separated on other MOFs stationary phases in HPLC except dichlorobenzene and cresol isomers, were also analyzed by this chiral stationary phase. The results indicated that [Cu-2(D-Cam)(2)(4,4'-bpy)](n) exhibited good selectivity for positional isomers and enantiomers. Therefore, it is practicable that the separation of positional isomers and enantiomers are carried out on the chiral MOF column. Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.
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