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Glycoside L-G1

Reference work entry

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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]

C52H82O22: 1058.529

1H NMR (400 MHz, J/Hz, C5D5N): 3.01 (dd, J = 3.8, 14.0, H-3), 5.39 (brt, J = 3.5, H-12), 3.03 (dd, J = 5.0, 13.5, H-18), 2.46 (t, J = 14.0, H-19), 4.1–4.3 (m, Ha-23), 3.6–3.75 (m, Hb-23), 4.70 (m, Ha-29), 4.65 (m, Hb-29), 1.12, 1.01, 0.91, 0.84 (s, CH3 × 4)

α-L-Arap: 4.92 (d, J = 7.5, H-1), 4.38 (dd, J = 9.0, H-2), 4.02 (dd, J = 3.2, H-3), 4.1–4.3 (m, H-4), 4.23 (dd, J = 3.2, 10.5, Ha-5), 3.6–3.75 (m, Hb-5)

β-D-Glcp: 6.11 (d, J = 8.5, H-1), 4.08 (t, J = 9.0, H-2), 4.1-4.3 (m, H-3,-4), 4.00 (m, H-5), 4.63 (Ha-6), 4.28 (Hb-6)

β-D-Glcp′: 4.91 (d, J = 8.0, H-1), 3.90 (t, J = 9.0, H-2), 4.08 (t, J = 9.0, H-3), 4.29 (t, J = 9.0, H-4), 3.58 (m, H-5), 4.16 (Ha-6), 4.01 (Ha-6)

α-L-Rhap: 5.76 (d, J = 1.5, H-1), 4.65 (dd, J = 3.5, H-2), 4.53 (dd, J = 9.5, H-3), 4.29...

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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