Isocorybulbine

Reference work entry

CAS Registry Number: 22672-74-8 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Diisoquinoline Alkaloids

Biological sources: Corydalis marschalliana

C21H25NO4: 355.1783

Mp: 179–180°C (EtOH) [1]

[α]D +300° (CHCl3) [1]

UV: 225, 283 [2, 3]

IR: 3560, 1665, 1615, 1585, 1508, 1300, 1288, 1220, 1185, 1173, 1117, 1068, 1046, 1018, 975, 945, 928, 857, 837, 818, 809, 782, 762 [3]

MSm/z: 355(M+), 192, 190, 178(100) [2]

1H NMR: 1.18(3H), 3.81(3H, s, OCH3), 3.85(6H, s, 2 × OCH3), 6.56, 6.71(each 1H, s, 2 × H–Ar), 6.65(2H, s, 2 × H–Ar) [2]

References

  1. 1.
    R.H.F. Manske, H.J. Holmes (eds.), The Alkaloids, Chemistry and Physiology, vol. 4 (Academic, New York, 1954), p. 77Google 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, 386 (1996)Google Scholar
  3. 3.
    J. Holubek, O. Strouf, Spectral Data and Physical Constants of Alkaloids, vol. 1 (Prague Publishing House, Czechoslovak Academy of Sciences/Heyden & Son, London, 1965), No. 145Google Scholar

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