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   Aucubin
Aucuboside
Rhinanthin
Rhimantin
Phytochemical groupsMonoterpenoid
Moecular FormulaC15H22O9
Molecular Structure
Guideline for MDL MOL files.(Possible to render in 3D with MOL files.)
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Molecular Weight346.3372
Melting Point181oC
Optical Rotation[>α]15 D = -162¡Æ (C 1.98,H2O)
UV (λmax, nm) (H2O):210(3.4)
1H-NMR (CD3OD,300 MHz)δ:4.95(1H, d, 7.1, H1), 6.31(1H, dd, 6.1, 1.9, H3), 5.1(1H, dd, 6.1, 3.9, H4), 2.65(1H, m, H5), 4.44(1H, m, H6), 5.77(1H, dd, H7), 2.88(1H, dd, 7.4, H9), 4.26(1H, AB-system, 15.6, H10), 4.68(1H, d, 7.8, H1'), 3.21(1H, dd, 7.8, 9, H2'), 3.35(1H, t, 9.1, H3'), 3.28(1H, t, 9.0, H4'), 3.30(1H, m, H5'), 3.65(1H, dd, 12,5. 2, H6'A), 3.86(1H, dd, 12, 1.5, H6'B)
13C-NMR (CD3OD,75 MHz) δ: 98.01(C1), 142.17(C3), 107.92(C4), 44.96(C5), 83.15(C6), 131.16(C7), 149.48(C8), 48.97(C9), 62.11(C10), 101.06(C1'), 75.39(C2'), 78.33(C3'), 72.25(C4'), 78.88(C5'), 63.28(C6')
BioactivityAntibacterial agent.
References· C. Bonini et al., J. Org. Chem., 47, 1343, 1982
· A. Bianco et al., Gazz. Chim. Ital., 108, 17, 1978
· Z. Akdemir et al., Phytochemistry, 30, 2401, 1991(pmr,cmr)
· JL. Beal et al., J. Nat. Prod., 43, 6, 648, 1980(uv,ir)
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