CAS Registry Number: 169626-38-4
Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Benzylisoquinoline Alkaloids
Biological sources: Berberis nummularia
C20H25NO4: 343.1777
Mp: oil, 212°C (hydrochloride) [1]
[α]D +14° (CHCl3) [1]
UV: 286(3.84) [1]
IR: 3400 [1]
MS m/z: 343(M+, 4), 328(56), 192(3), 178(9), 151(100) [1]
1 H NMR(hydrochloride) (CDCl3 + Py-d5): 1.61(3H, d, J = 6.6, CH3), 2.97(2H, m), 3.40(2H, m), 3.77, 3.80(3H, 6H, s, 3 × OCH3), 4.26(2H, s), 4.44(1H, q), 6.65, 6.72(each 1H, s, H–Ar), 7.01, 7.12(2H, br s, 1H, br s, H–Ar) [1]
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A. Karimov, R. Shakirov, Chem. Nat. Comp. 29, 335 (1993)
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(2013). Bernumicine. In: Azimova, S.S., Yunusov, M.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0560-3_682
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