8-Oxoberberine

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Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Diisoquinoline Alkaloids

Biological sources: Berberis ottawensis, B. vulgaris

C20H17NO5: 351.1107

Mp: 200–201°C [1]

Solubility: very sol. CHCl3; spar. sol. MeOH [2]

UV: 279, 362(3.87, 3.81) [2]

IR: 2980, 2940, 2910, 2840, 1650, 1620, 1600, 1500, 1380, 1270, 1220 [1, 2]

MSm/z: 351(M+), 337, 336, 322, 308, 306, 292 [2]

1H NMR: 2.80(2H, t), 3.85(3H, s), 3.92(3H, s), 4.18(2H, t), 5.88(2H, s), 6.58(2H, s), 7.08 (1H, s), 7.17(2H, s) [2]

References

  1. 1.
    M.M. Yusupov, A. Karimov, K.L. Lutfulline, Chem. Nat. Comp. 26, 105 (1990)Google Scholar
  2. 2.
    R. Shakirov, M.V. Telezhenetskaya, I.A. Bessonova, S.F. Aripova, I.A. Israilov, M.N. Sultankhodzhaev, V.I. Akhmedzhanova, V.I. Vinogradova, T.S. Tulyaganov, B.T. Salimov, V.A. Tel’nov, Chem. Nat. Comp. 32, 737 (1996)Google Scholar

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