Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0021-9673(96)00551-1
Title: Chiral crown ether-anchored polysiloxanes as capillary gas chromatography stationary phases
Authors: Zhou, X.-C. 
Yan, H.
Chen, Y.-Y.
Wu, C.-Y.
Lu, X.-R.
Keywords: Amino acids
Anilines
Chiral stationary phases, GC
Crown ether-anchored polysiloxanes
Crown ethers
Enantiomer separation
Phenolic compounds
Polysiloxanes
Issue Date: 1996
Citation: Zhou, X.-C., Yan, H., Chen, Y.-Y., Wu, C.-Y., Lu, X.-R. (1996). Chiral crown ether-anchored polysiloxanes as capillary gas chromatography stationary phases. Journal of Chromatography A 753 (2) : 269-277. ScholarBank@NUS Repository. https://doi.org/10.1016/S0021-9673(96)00551-1
Abstract: Two chiral stationary phases, named Chirasil-man-18C6-25 and Chirasil-aza-15C5-25, were prepared by hydrosilylating two allyl-crown ethers onto polyhydromethylsiloxane containing 25% Si-H units, respectively. The chiralallyl-crown ethers were synthesized using D-mannitol and (+)-2-amino-1-butanol as chiral sources. Fused-silica capillary gas chromatography showed that the two novel phases had similar characteristics as pieviously reported crown ether bounded polysiloxanes. It was found that the Chirasil-man-18C6-25 phase had enantioselectivity to racemates bearing both an aromatic moiety and a primary amino or hydroxyl group in their structure. This phase also exhibited good thermal stability.
Source Title: Journal of Chromatography A
URI: http://scholarbank.nus.edu.sg/handle/10635/75747
ISSN: 00219673
DOI: 10.1016/S0021-9673(96)00551-1
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