Xy. Shi et al., Synthesis and properties of new cyclodextrin phenyl carbamates as capillary gas chromatography stationary phases, ANALYT CHIM, 445(2), 2001, pp. 221-228
Four cyclodextrin (CD) phenyl carbamates were synthesized by introducing ph
enyl carbamate groups in different substitution positions of beta -CD. The
chromatographic properties of these CD phenyl carbamates as capillary Ps ch
romatography (CGC) stationary phases were investigated. The results showed
that most of these CD phenyl carbamates were moderate polar stationary phas
es with their polarities being related to not only phenyl carbamates groups
but also other functional groups substituted in CDs. The polarities, coati
ng properties and the properties of substituted functional groups of these
cyclodextrin phenyl carbamates affected their separation properties greatly
. It was found that these new CD phenyl carbamates as stationary phases had
separation ability to disubstituted benzene positional isomers. (C) 2001 E
lsevier Science B.V. All rights reserved.