Alkaloids ofAconitum coreanum. I. Structure of acorine
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Two C20-diterpene alkaloids have been isolated from the epigeal part ofAconitum coreanum (Levl.) Rapaics: the known 14-hydroxy-2-isobutyrylhetesine (I) (Guan-Fu base Z) and a new one — acorine (II), C22H29NO5, mp 214–215°C (from acetone), α D 20 +9° (c 0.01; methanol), for which the structure of 2-acetyl-14-hydroxy-hetesine has been established. Details of the IR, mass, and13C NMR spectrum of (I) and (II) and of the PMR spectrum of (II) are given.
KeywordsAlkaloid Epigeal Part Caustic Soda Colorless Needle Amino Alcohol
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