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Glycoside L-G1B

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 30-nor-hederagenin

Biological source: Hedera canariensis [1]

C60H94O27: 1246.598

1H NMR (400 MHz, J/Hz, C5D5N): 5.38 (brt, J = 3.5, H-12), 3.04 (dd, J = 5.0, 13.5, H-18), 2.45 (t, J = 14.0, H-19), 3.71 (d, J = 11.0, Hb-23), 4.05 (d, J = Ha-23), 4.71 (m, Ha-29), 4.65 (m, Hb-29), 1.11, 0.99, 0.92, 0.83 (s, CH3 × 4)

α-L-Arap: 5.10 (d, J = 6.0, H-1), 4.50 (dd, J = 7.0, H-2), 4.10 (dd, J = 3.5, H-3), 4.19 (m, H-4), 3.70 (dd, J = 2.0, Ha-5), 4.27 (dd, J = 4.0, 10.0, Hb-5)

α-L-Rhap: 6.12 (d, J = 1.5, H-1), 4.70 (dd, J = 3.5, H-2), 4.60 (dd, J = 9.5, H-3), 4.27 (t, J = 9.5, H-4), 4.62 (d, H-5), 1.59 (d, J = 6.5, CH3-6)

β-D-Glcp: 6.08 (d, J = 8.0, H-1), 3.95 (t, J = 8.5, H-2), 4.01 (t, J = 9.0, H-3), 4.16 (t, J = 9.0, H-4), 4.00 (m, H-5), 4.55 (Ha-6), 4.23 (Hb-6)

β-D-Glcp′: 4.86 (d, J = 8.0, H-1), 3.83 (t, J = 8.5, H-2), 3.92–4.04 (m, H-3,-4),...

References

  1. 1.
    L.A. Yakovishin, V.I. Grishkovets, A.S. Shashkov, V.Ya. Chirva, Chem. Nat. Comp. 35(5), 543 (1999)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013

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