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题名: Enthalpy-entropy compensation effect in gas chromatographic enantiomeric separation
作者: Zhou, LM;  Nie, MY;  Wang, QH;  Zhu, DQ;  Shen, HQ
关键词: enthalpy-entropy compensation effect ;  chiral separation ;  GC ;  modified CD-CSP ;  diamide CSP
刊名: CHINESE JOURNAL OF CHEMISTRY
发表日期: 1999-07-01
卷: 17, 期:4, 页:363-376
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: In this paper, the enthalpy-entropy compensation effect in the enantiomeric separation by modified cyclodextrins (CD) and diamide chiral stationary phase (CSP) gas chromatography was investigated using the method of plotting Delta(Delta H) versus Delta(Delta G)(Thm) combined with t-test statistic analysis. The investigated racemates cover alpha-phenylethylamine and its analogs, 2-alkylamines, chiral acyclic alcohols, halogenated arylethanediol-1, 2-diperfluoropropionates, amino acid and its analogs, and two series of compounds containing chloro and bromo substituents. From the compensation analysis results, the effects of the diluent composition in the investigated chiral stationary phases, the size and. the modified groups on investigated cyclodextrins, the derivatization methods and the groups attached to the stereocenters on enantiomeric separation mechanisms were all discussed.
关键词[WOS]: AMINO-ACID ENANTIOMERS ;  STATIONARY-PHASE ;  MODIFIED CYCLODEXTRINS ;  RESOLUTION ;  DERIVATIVES ;  RECOGNITION ;  BEHAVIOR ;  ALCOHOLS
语种: 英语
WOS记录号: WOS:000082209300008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138627
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116012, Peoples R China

Recommended Citation:
Zhou, LM,Nie, MY,Wang, QH,et al. Enthalpy-entropy compensation effect in gas chromatographic enantiomeric separation[J]. CHINESE JOURNAL OF CHEMISTRY,1999,17(4):363-376.
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