CAS Registry Number: 169626-37-3
Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Benzylisoquinoline Alkaloids
Biological sources: Berberis nummularia
C20H23NO4: 341.1627 [1]
Mp: oil, 181°C (hydrochloride) [1]
[α]D +21° (CHCl3) [1]
UV: 286(3.78) [1]
IR: 2920, 2439, 1610, 1540, 1450, 1270, 1110, 1030, 810, 780 [1]
MS m/z: 341(M+, 3), 326(52), 207(11), 206(8), 192(14), 135(100) [1]
1 H NMR(hydrochloride) (CDCl3 + CD3OD): 1.71(3H, d, J = 7, CH3), 3.00(2H, m), 3.32(2H, m), 3.76, 3.78(each 3H, s, 2 × OCH3), 4.06(2H, br s, CH2O2), 4.15(1H, m), 5.91(2H, s), 6.35, 6.56(each 1H, s, H–Ar), 6.70, 6.96, 7.20(each 1H, d, J = 8.5, dd, J = 8.5, 1.8, d, J = 1.8, H–Ar) [1]
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References
A. Karimov, R. Shakirov, Chem. Nat. Comp. 29, 335 (1993)
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(2013). Bernumidine. In: Azimova, S.S., Yunusov, M.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0560-3_683
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