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Methylhernandine

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Alkaloids – Isoquinoline Alkaloids

Biological sources: Stephania hernandifolia

C20H27NO6: 377.1838

Mp: 152–153°C (MeOH), 201°C (hydrochloride) [1]

[α]D+125° (EtOH) [1]

IR: 3525, 3250 [1]

1H NMR: 1.45(1H, d, J = 10.8, H-9), 1.93(1H, q, J = 14.8; 2.9, H-5a), 2.24(1H, d, J = 9.8, 6-OH), 2.48(3H, s, NCH3), 2.63(1H, q, J = 10.8; 6.2, H-9), 3.00(1H, q, J = 14.8; 3.4, H-5e), 3.38, 3.48, 3.72(each 3H, s, 3 × OCH3), 3.62(1H, d, J = 4.1, H-7), 4.05(1H, m, H-6), 4.81(1H, d, J = 6.2, H-10), 6.50(2H, s, H-1, H-2) [1]

References

  1. 1.
    I.I. Fadeeva, D.A. Fesenko, T.N. Il’inskaya, M.E. Perel’son, O.N. Tolkachev, Chem. Nat. Comp. 7, 432 (1971)Google Scholar

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© Springer Science+Business Media New York 2013

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