Tris(chloro- and methyl-disubstituted phenylcarbamate)s of Cellulose as Chiral Stationary Phases for Chromatographic Enantioseparation

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Abstract
Four types of tris(chloro- and methylphenylcarbamate)s of cellulose were prepared and their chiral recognition abilities were evaluated as chiral stationary phases (CSPs) for HPLC. It has been established that simultaneous introduction of both electron-donating and electron-withdrawing groups improved enantiomer resolving power of CSP in some cases compared with those possessing only electron-donating or electron-withdrawing substituents.