title: A study on the separation of synthetic pyrethroid stereoisomers by HPLC.
abstract: Enantiomer separation of synthetic pyrethroids was carried out on different chiral HPLC columns. In particular, the study provided useful information on the direct resolution of pyrethroids with and without alpha-ciano groups. The study indicated that polymeric chiral stationary phases based on cellulose derivatives are the most appropriate for the stereoisomer separation of cis-Biphenthrin, Resmethrin and (1R)-Phenothrin, whereas multiple-interaction CSPs, like (S)-1-(alpha-naphthyl)-ethylamine/(S)-tert-leucine, are more selective for Cyfluthrin.
authors.affiliation: Dipartimento di Chimica, Università La Sapienza, P.le A. Moro 5, 00185 Roma, Italy. girelli@uniromal.it
authors.forename: Anna Maria
authors.initials: AM
authors.lastname: Girelli
authors.forename: Antonella
authors.initials: A
authors.lastname: Messina
authors.forename: Massimo
authors.initials: M
authors.lastname: Sinibaldi
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D007306:Insecticides / Q000032:analysis*; D007536:Isomerism; D010944:Plants; D011722:Pyrethrins; D012680:Sensitivity and Specificity
chemical_list: D007306:Insecticides; D011722:Pyrethrins