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Papyrioside LF

Reference work entry

CAS Registry Number: 189307-17-3 Open image in new window

Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Oleanene Type – 11α-Hydroxy-3,21-dioxo-olean-12-en-28-oic Acid

Biological source: Tetrapanax papyriferum [1]

C50H78O19: 982.513

[α]D27−14.4° (c 1.9, MeOH) [1]

HR-FAB-MSm/z: 1005.5001 [M + Na]+ [1]

1H NMR (500 MHz, J/Hz, C5D5N: 1.21, 0.90, 0.98, 1.10, 1.06, 1.22, 1.09 (s, CH3-23, 24, 25, 26, 27, 29, 30), 3.62 (brs, H-3), 1.97 (brd, J = 10.0, H2-11), 5.62 (d, J = 14.0, H-12), 3.61 (brd, J = 14.0, H-18)

β-D-Glcp: 6.21 (d, J = 8.0, H-1), 4.11 (dd, J = 7.0, 14.0, H-2), 4.19 (t, J = 9.0, H-3), 4.27 (t, J = 9.0, H-4), 4.13 (H-5), 4.33, 4.69 (brd, H2-6)

β-D-Glcp′: 4.96 (d, J = 8.0, H-1), 3.94 (H-2), 4.10 (H-3), 4.07 (H-4), 3.81 (H-5), 4.54 (dd, J = 5.0, 12.0, H-6), 4.63 (H-6), 1.93 (3H, s, OCOCH3)

α-L-Rhap: 5.53 (s, H-1), 4.62 (H-2), 4.50 (H-3), 4.32 (H-4), 4.85 (dd, J = 6.0, 9.0, H-5), 1.71 (d, J = 6.0, CH3-6) [1]

13 C NMR...

References

  1. 1.
    M. Mutsuga, K. Kojima, I. Saracoglu, Y. Ogihara, Chem. Pharm. Bull. 45(3), 552 (1997)CrossRefGoogle Scholar

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