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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 |
Appears in Collections: | Staff Publications |
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