Kanzonol-C

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Taxonomy: Physicochemical and Pharmacological Properties of Flavonoids – Chalcones

Biological sources: Glycyrrhiza eurycarpa [1]

C25H28O4: 392.4995

Mp: yellow oil

UV: 203 (5.27), 340 sh (4.61), 371 (4.77), 375 sh (4.93) [1]

EI-MS: 393 [M + 1] (15), 392 (M)+ (49), 349 (50), 337 (16), 307 (20), 293 (12), 281 (6), 205 (25), 187 (25) [1]

1H NMR (400 MHz, acetone-d6): 1.64, 1.73, 1.75, 1.78 (each 3H, br s, Me-9), 3.37 (4H, br, d, H-7,7′), 5.28 (1H, br d, H-8′), 5.36 (1H, br d, H-8), 6.53 (1H, d, J = 8.5, H-5′), 6.93 (1H, d, J = 8.0, H-5), 7.57 (1H, dd, J = 2, 8, H-6), 7.62 (1H, d, J = 2, H-2), 7.72 (1H, d, H-α), 7.82 (1H, d, H-β), 7.93 (1H, d, H-6′), 14.02 (1H, s, OH-2′) [1]

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Reference

  1. 1.
    T. Fukai, J. Nishizawa, T. Nomura, Phytochemistry 35, 515 (1994)CrossRefGoogle Scholar

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