Summary
The silanization/hydrosilation bonding method is used to attach four different chiral olefins to a silica hydride surface. Three of these olefins ((R)-(+)-limonene, (R)-(+)-acroyloxy-β,β-dimethyl-λ-butyrolactone and 2-hydroxy-3-methacryloyloxypropyl-β-cyclodextrin) are successfully bonded to the hydride intermediate as confirmed by DRIFT and solid state NMR spectroscopy. Chromatographic evaluation of these three chiral stationary phases using a number of test solutes resulted in no separations of enantiomers for the limonene phase, two marginal resolutions for the lactone phase and six successful separations for the β-cyclodextrin material. Among the types of compounds that were resolved on the β-cyclodextrin column were benzodiazepines, danysl amino acids and a novel selenium compound.
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Pesek, J.J., Matyska, M.T. & Fu, P.F. Evaluation of the silanization/Hydrosilation process for the synthesis of chiral stationary phases. Chromatographia 53, 635–640 (2001). https://doi.org/10.1007/BF02493011
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DOI: https://doi.org/10.1007/BF02493011