(RS)-Propranolol: enantioseparation by HPLC using newly synthesized (S)-levofloxacin-based reagent, absolute configuration of diastereomers and recovery of native enantiomers by detagging.
@article{Alwera2016RSPropranololEB, title={(RS)-Propranolol: enantioseparation by HPLC using newly synthesized (S)-levofloxacin-based reagent, absolute configuration of diastereomers and recovery of native enantiomers by detagging.}, author={Shiv Alwera and R. Bhushan}, journal={Biomedical chromatography : BMC}, year={2016}, volume={30 8}, pages={ 1223-33 } }
Diastereomers of (RS)-propranolol were synthesized using (S)-levofloxacin-based new chiral derivatizing reagents (CDRs). Levofloxacin was chosen as the pure (S)-enantiomer for its high molar absorptivity (εo ∼ 24000) and availability at a low price. Its -COOH group had N-hydroxysuccinimide and N-hydroxybenzotriazole, which acted as good leaving groups during nucleophilic substitution by the amino group of the racemic (RS)-propranolol; the CDRs were characterized by UV, IR, (1) H-NMR, high… CONTINUE READING
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