Cyclolicoricidin-I

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Taxonomy: Physicochemical and Pharmacological Properties of Flavonoids – Isoflavans

Biological sources: From licoricidin [1, 2]

C26H32O5: 424.5419

Mp: amorphous powder

EI-MS: 424 (M)+

1H NMR (400 MHz, acetone-d6): 1.28 (3H, s), 1.29 (9H, s), 1.75, 1.82, 2.68, 2.73 (each 2H, t, J = 7), 2.76 (1H, dd, J = 11, 16, H-4), 2.93 (1H, ddd, J = 2, 5, 16, H-4), 3.43 (1H, m, H-3), 3.72 (3H, s, OCH3), 3.96 (1H, t, J = 10, H-2), 4.19 (1H, ddd, J = 2, 3.5, 10, H-2), 6.00 (1H, s, H-8), 6, 32 (1H, d, J = 8, 5, H-5'), 6.90 (1H, d, J = 8.5, H-6') [1,2]

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References

  1. 1.
    T. Kinoshita, T. Saitoh, S. Shibata, Chem. Pharm. Bull. 26, 141 (1978)CrossRefGoogle Scholar
  2. 2.
    T. Fukai, M. Toyona, T. Nomura, Heterocycles 27, 2309 (1988)CrossRefGoogle Scholar

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