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Electrophoresis

Chiral separation of pyrethroic acids with single isomer permethyl monoamino beta-cyclodextrin selector.


PMID 11589284

Abstract

Enantiomers and diastereomers of chrysanthemic, permethrinic, and deltamethrinic pyrethroic acids were separated from each other, using positively ionizable permethyl monoamino beta-cyclodextrin (PMMAbetaCD). The highest chiral resolution value was 20.0. The optimum conditions of separation were found to be 16 mM PMMAbetaCD concentration and pH 6.5, where analytes and selector were in oppositely ionized states. Selectivity of PMMAbetaCD proved to be the best among the cyclodextrin derivatives studied.

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18509
(+)-trans-Chrysanthemic acid, ≥97.0% (GC)
C10H16O2