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  • Title: Uniform-sized molecularly imprinted polymer material for (S)-propranolol.
    Author: Haginaka J, Sakai Y.
    Journal: J Pharm Biomed Anal; 2000 Jul; 22(6):899-907. PubMed ID: 10857558.
    Abstract:
    A uniform-sized molecularly imprinted polymer for (S)-propranolol has been prepared by a multi-step swelling and thermal polymerization method using methacrylic acid (MAA) and ethylene glycol dimethacrylate (EDMA) as a host functional monomer and cross-linker, respectively. The obtained (S)-propranolol imprinted MAA-EDMA materials were evaluated using aqueous-rich eluents by HPLC. The (S)-propranolol imprinted MAA-EDMA materials had specific recognition for (S)-propranolol and moderate recognition for some structurally related beta-adrenergic antagonists (especially, pindolol and alprenolol), but had no recognition for other basic compounds, and neutral and acidic compounds. Enantioseparations of propranolol and some structurally related beta-adrenergic antagonists were attained with the imprinted MAA-EDMA materials. Hydrophobic interaction of the naphthyloxy and isopropyl groups of propranolol, and ionic interaction of the isopropylamino group of propranolol with the (S)-propranolol imprinted MAA-EDMA materials could play an important role in enantioselective recognition of propranolol.
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