1996
DOI: 10.1093/chromsci/34.11.477
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HPLC of Structural Isomers with Cyclodextrin-Poly(vinylamine)-Coated Silica Columns, Part I: Synthesis and Characterization of Cyclodextrin-Bonded Stationary Phases by NMR Solid State

Abstract: Different supports for high-performance liquid chromatography are prepared by using the coating technology. These supports are based on silica beads coated with a beta-cyclodextrin-containing poly(vinylamine). Surface area, pore size distribution, and solid-state nuclear magnetic resonance are used for the characterization of these supports. The two different methods of preparation used lead to different arrangements of the polymer layers; hence, the supports have different mobility, rigidity, and accessibilit… Show more

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Cited by 23 publications
(14 citation statements)
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“…When the a-substitutent relative to the chiral centre is bulky, hydrogen bonding interactions are hindered, so selectivity and resolution are poor (31,32). In the case of a phenyl ring substituted by a group able to hydrogen bond, this additional in¯uence increases the enantioselectivity (30) (Fig. 4d) as reported previously by several authors.…”
Section: Enantioseparation Of Drugs and Herbicidessupporting
confidence: 70%
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“…When the a-substitutent relative to the chiral centre is bulky, hydrogen bonding interactions are hindered, so selectivity and resolution are poor (31,32). In the case of a phenyl ring substituted by a group able to hydrogen bond, this additional in¯uence increases the enantioselectivity (30) (Fig. 4d) as reported previously by several authors.…”
Section: Enantioseparation Of Drugs and Herbicidessupporting
confidence: 70%
“…39À41 This enantioseparation is based on the interactions between the carboxylic group close to (27,30). …”
Section: Resultsmentioning
confidence: 99%
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“…Fases estacionárias para a separação de isômeros foram obtidas pela adsorção de polivinilamina 96,97 ou o copolímero de vinilamina/ álcool vinílico 98 , reticulados sobre sílica. Após a reticulação foram introduzidas ciclodextrinas quimicamente ligadas às cadeias do polímero para promoverem a separação dos isômeros geométricos.…”
Section: Fases Estacionárias Com Polímeros Adsorvidos E Imobilizados unclassified