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  • Title: Preparation of diastereomeric urethane derivatives of atropine and l-hyoscyamine using (-)-1-phenylethylisocyanate.
    Author: Landen WO, Caine DS.
    Journal: J Pharm Sci; 1979 Aug; 68(8):1039-41. PubMed ID: 480159.
    Abstract:
    Diastereomeric urethane derivatives of atropine (d,l-hyoscyamine) and l-hyoscyamine were prepared by reacting the alkaloids with (-)-1-phenylethylisocyanate. The derivatives, as the picrate ion-pairs, were characterized by their melting points, optical rotations, elemental analyses, and IR, NMR, and UV-visible spectra.
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