Consequence of diluting modified β-cyclodextrins in a side-chain crown ether polysiloxane and in a side-chain liquid-crystalline polysiloxane-containing crown ether as stationary phases in capillary gas chromatography

Peng, Jing; Fu, Ruonong; Dai, Rongji; Ge, Jilong; Gu, Junling; Huang, Zhi; Chen, Y.

doi:10.1007/bf02293008

Cited by 14 publications

(1 citation statement)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, synergistic effect has been observed in the side-chain crown ether polysiloxane and perethylated fl-CD mixed stationary phase [20], ethylhexylresorcarene and heptakis(2,6-di-…”

Section: Synergistic Effect Of the Mixed Cyclodextrin Derivative Chirmentioning

confidence: 95%

Gas chromatographic enantiomer separation on single and mixed cyclodextrin derivative chiral stationary phases

et al. 2000

View full text Add to dashboard Cite

SummaryCapillary gas chromatographic enantiomer separation of some polar compounds, including a-phenylethylamine, styrene oxide, pyrethroid insecticides and other carboxylates, was investigated on modified cyclodextrin (CD) chiral stationary phases. The chiral stationary phases studied included permethylated fl-CD (PMBCD), hep-(DNTBCD), the mixture of PMBCD and DBBBCD, and the mixture of PMBCD and DNTBCD. On the mixed chiral stationary phases containing the mixtures ofderivatized cyctodextrins, enantiomer separation was improved significantly for some compounds as compared to the single cyclodextrin derivative chiral stationary phases, and synergistic effects were observed for some compounds on the mixed cyclodextrin derivative chiral stationary phases.

show abstract

“…However, synergistic effect has been observed in the side-chain crown ether polysiloxane and perethylated fl-CD mixed stationary phase [20], ethylhexylresorcarene and heptakis(2,6-di-…”

Section: Synergistic Effect Of the Mixed Cyclodextrin Derivative Chirmentioning

confidence: 95%

Gas chromatographic enantiomer separation on single and mixed cyclodextrin derivative chiral stationary phases

et al. 2000

View full text Add to dashboard Cite

show abstract

Gas Chromatographic Enantiomer Separation of Atropisomeric PCBs Using Modified Cyclodextrins as Chiral Phases

Magnusson¹,

Blomberg²,

Claude³

et al. 2000

J. High Resol. Chromatogr.

View full text Add to dashboard Cite

Columns containing different types of cyclodextrin derivatives have been evaluated for chiral gas chromatographic separation of atropisomeric PCBs, o,p´‐DDT and o,p´‐DDD. Separation was attempted on columns containing mixed chiral selectors, and the performance of two closely related selectors was also examined. The cyclodextrins were: permethylated‐β‐CD (PM‐β‐CD), heptakis(2,3‐di‐O‐methyl‐6‐O‐tert‐butyldimethylsilyl)‐β‐CD (2,3‐M‐6‐TBDMS‐β‐CD), heptakis(2,3‐di‐O‐methyl‐6‐O‐tert‐hexyldimethylsilyl)‐β‐CD (2,3‐M‐6‐THDMS‐β‐CD), and heptakis(2,3‐di‐O‐ethyl‐6‐O‐tert‐hexyldimethylsilyl)‐β‐cyclodextrin (2,3‐E‐6‐THDMS‐β‐CD). The cyclodextrins were dissolved in OV‐1701 or in a dimethylsiloxane/silarylene copolymer containing 5% phenyl in the backbone. The application of mixed chiral selectors led to improved separations, however; at most eleven PCB congeners were separated on a single column. Chiral resolution of o,p´‐DDD was achieved. The use of a dimethylsiloxane/silarylene copolymer as a matrix for the cyclodextrins is a promising approach. With such a matrix, blocking of the CD cavities by silicone substituent groups can be avoided, and a reasonable CD solubility can be provided. The selectivity of heptakis(2,3‐di‐O‐ethyl‐6‐O‐tert‐hexyldimethylsilyl)‐β‐CD and heptakis(2,3‐di‐O‐methyl‐6‐O‐tert‐hexyldimethylsilyl)‐β‐CD was quite different, the former selector could separate four congeners, while the latter separated ten congeners.

show abstract

Investigation on five novel substituted β-cyclodextrins used as GC stationary phases

Xiao

Ling

et al. 1998

Chromatographia

Self Cite

View full text Add to dashboard Cite

Consequence of diluting modified β-cyclodextrins in a side-chain crown ether polysiloxane and in a side-chain liquid-crystalline polysiloxane-containing crown ether as stationary phases in capillary gas chromatography

Cited by 14 publications

References 20 publications

Gas chromatographic enantiomer separation on single and mixed cyclodextrin derivative chiral stationary phases

Gas chromatographic enantiomer separation on single and mixed cyclodextrin derivative chiral stationary phases

Gas Chromatographic Enantiomer Separation of Atropisomeric PCBs Using Modified Cyclodextrins as Chiral Phases

Investigation on five novel substituted β-cyclodextrins used as GC stationary phases

Contact Info

Product

Resources

About