In order to generalize the recently described method for the insolubilization of polysaccharide derivatives to benzoates of cellulose, five mixed 10undecenoate/benzoates of this polysaccharide have been prepared and linked to allyl silica gel by means of a radical reaction. The chiral recognition ab
Carbamates of cellulose bonded on silica gel: Chiral discrimination ability as HPLC chiral stationary phases
✍ Scribed by Laureano Oliveros; Antonio Senso; Pilar Franco; Cristina Minguillón
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 124 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0899-0042
No coin nor oath required. For personal study only.
✦ Synopsis
Four cellulose mixed 10-undecenoate/carbamate derivatives, simultaneously bearing 10-undecenoyl and variously substituted phenylaminocarbonyl groups, were chemically bonded on allylsilica gel. The study of the effect of these substitutions on the performance of the resulting chiral supports, and a comparison with the recently described 10-undecenoate/3,5-dimethylphenylcarbamate derivative, are presented. In this study heptane/2-propanol or heptane/chloroform mixtures were used as mobile phases.
📜 SIMILAR VOLUMES
Cellulose tris(3,5dimethylphenylcarbamate) (CDMPC) was coated on largepore silica gels and used as a chiral stationary phase (CSP) for high-performance liquid chromatographic separation of enantiomers. The influences of pore size of silica gel, coating amount of CDMPC, coating solvent, and column te
Fast and efficient baseline separation of asymmetrically substituted diarylmethanols and 1,ldiarylethanols was achieved on an endcapped, amidelinked N-3,Minitrobenzoylated, (R,R)-1,2diphenyl-l,2-ethanediaminederived chiral stationary phase (CSP) . Optimal enantioselectivities on this CSP were obtain