doi: 10.1016/j.phytochem.2008.12.001.
Epub 2009 Jan 12.
Enantiomeric separation of racemic 1-benzyl-N-methyltetrahydroisoquinolines on chiral columns and chiral purity determinations of the O-methylated metabolites in plant cell cultures by HPLC-CD on-line coupling in combination with HPLC-MS
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- PMID: 19138775
- DOI: 10.1016/j.phytochem.2008.12.001
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Enantiomeric separation of racemic 1-benzyl-N-methyltetrahydroisoquinolines on chiral columns and chiral purity determinations of the O-methylated metabolites in plant cell cultures by HPLC-CD on-line coupling in combination with HPLC-MS
Phytochemistry.
2009 Jan.
Abstract
Effective enantiomeric separations of 1-benzyl-N-methyltetrahydroisoquinolines were achieved using commercially available Chiralcel OD-H and OJ-H columns. Online LC-CD analysis allowed for the establishment of a correlation between the absolute configuration of the separated enantiomers and their characteristic CD transitions. LC-MS combined with LC-CD analysis permitted chiral purity determinations of O-methylated metabolites of nine phenolic 1-benzyl-N-methyltetrahydroisoquinolines in cell cultures of Corydalis, Macleaya, and Nandina species.
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