Advertisement

Turcomanidine

Reference work entry

CAS Registry Number: 16637-56-2 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Isoquinoline Alkaloids

Biological sources: Berberis turcomanica

C18H17NO4: 311.1157

Mp: 200–202°C (hydrobromide) [1]

UV: 238, 280, 310 [1]

IR: 3500–3200, 2941, 1238, 858, 838 [1]

MSm/z: 311(M+, 70), 310[(M-1)+, 100], 296[(M-15)+, 50], 280, 265, 252, 236 [1]

1H NMR(CDCl3): 3.87, 3.95(each 3H, s, 2 × OCH3), 4.35(2H, s, CH2), 6.65(3H, br s, H-2′, H-5′, H-6′), 7.01, 7.37(each 1H, s, H-5, H-8), 7.43, 8.18(each 1H, d, J = 6.0, H-4, H-3)

1H NMR(Py–d5): 3.65, 3.69(each 1H, s, 2 × OCH3), 4.62(2H, s, CH2), 6.93(1H, dd, J = 8.0, 2.5, H-6′), 7.28(1H, d, J = 2.5, H-2′), 7.07, 7.55(each1H, s, H-5, H-8), 7.12(1H, d, J = 8.0, H-5′), 7.42, 8.45 (each 1H, d, J = 6.0, H-4, H-3) [1]

References

  1. 1.
    I.I. Khamidov, S.F. Aripova, M.V. Telezhenetskaya, M. Faskhutdinov, A. Karimov, I. Djepberov, Chem. Nat. Comp. 32, 893 (1996)Google Scholar

Copyright information

© Springer Science+Business Media New York 2013

Personalised recommendations