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Separation of nadolol stereoisomers by fixed-bed and continuous preparative liquid chromatography using C18 columns

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Resumo:In recent years, the authors have focused in the preparative separation of chemical drugs by chiral SMB chromatography. Different case studies have been considered, including the separation of non-steroidal anti-inflammatory drugs (ketoprofen and flurbiprofen enantiomers) [1-4], and the pseudo-binary separation of nadolol stereoisomers, a beta-blocker pharmaceutical drug [5]. While the first two case studies are typical examples of binary chiral mixtures (a pair of enantiomers), the last is an example of a quaternary mixture, composed by two pairs of enantiomers. This considerably increases the complexity and the difficulty of the separation process, asking for new strategies for the complete resolution of all the four components.
Autores principais:Ribeiro, António E.
Outros Autores:Arafah, Rami; Rodrigues, Alírio; Pais, Luís S.
Ano:2016
País:Portugal
Tipo de documento:póster em conferência
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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