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Perseapicroside A

Reference work entry

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Taxonomy: Physicochemical and Pharmacological Properties of Triterpene Glycosides – Glycosides of Aglycones of Cucurbitane Type – Hexa-nor-cucurbitacin F

Biological source: Persea mexicana [1]

C30H46O10: 566.309

Mp: 204–206°C [1]

[α]D + 100° (c 0.1, MeOH) [1]

IR (KBr) νmax cm−1: 3400, 1680 [1]

UV λmax nm (log ε): 208.5 (4.59) [1]

FAB-MSm/z: 567 [M + H]+ [1]

1H NMR (400 MHz, J/Hz, C5D5N): 2.36, 1.46 (ddd, J = 13.0, 4.4, H2-1), 4.25 (ddd, J = 13.0, 10.4, H-2), 3.40 (d, J = 10.0, H-3), 5.72 (brd, J = 6.0, H-6), 2.38 (ddd, J = 20.0, 9.0, 6.0, H-7), 1.96 (dd, J = 20.0, 6.0, H-7), 1.88 (d, J = 9.0, H-8), 2.70 (brd, J = 14.0, H-10), 3.34, 2.58 (each d, J = 14.0, H2-12), 1.81, 1.90 (d, J = 14.0, H2-15), 5.32 (ddd, J = 8.0, 8.0, 2.0, H-16), 3.48 (d, J = 6.0, H-17), 0.79, 1.22, 2.17, 1.54, 1.21, 1.46 (s, CH3-18, 19, 21, 28, 29, 30)

β-D-Glcp: 5.18 (d, J = 8.0, H-1), 4.12 (dd, J = 10.0, 8.0, H-2), 4.22 (dd, J = 10.0, 8.0, H-3), 4.27 (dd, J = 8.0, 8.0, H-4), 3.94 (ddd, J =...

References

  1. 1.
    A. Ohsaki, T. Kubota, Y. Asaka, Phytochemistry 29, 1330 (1990)CrossRefGoogle Scholar

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