CAS Registry Number: 483-15-8
Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Diisoquinoline Alkaloids
Biological sources: Berberis vulgaris
C20H19NO4: 337.1314
Mp: 163–164°C [1]
Solubility: very sol. CHCl3; spar. sol. Et2O, C6H6 [1]
UV: 280, 368(4.21; 4.30) [1]
IR: 3250-3150, 1600, 1570, 1230, 1065, 1040 [2]
1 H NMR(DMSO-d6): 3.05–3.60(6H, m, 3 × CH2), 4.1, 4.2(each 3H, s, 2 × OCH3), 6.15(2H, CH2O2), 7.05–9.20(H–Ar), 9.50(1H) [2]
13 C NMR(DMSO-d6): [2]
Table 1
C-1 |
108.3 |
C-5 |
37.0 |
C-11 |
121.2 |
2 |
143.5 |
 6 |
57.7 |
 12 |
120.3 |
 3 |
145.3 |
 8 |
57.1 |
 12a |
137.3 |
 4 |
105.3 |
 8a |
132.9 |
9-OCH3 |
56.2 |
 4a |
126.6 |
 9 |
149.6 |
10-OCH3 |
61.9 |
 4b |
123.4 |
 10 |
147.5 |
CH2O2 |
101.5 |
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References
M.M. Yusupov, A. Karimov, K.L. Lutfullin, Chem. Nat. Comp. 26, 105 (1990)
M.P. Dobhal, V.K. Goel, B.C. Joshi, Pharmazie 43, 659 (1988)
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(2013). Dihydroberberine (Lambertine). In: Azimova, S.S., Yunusov, M.S. (eds) Natural Compounds. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0560-3_771
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