Natural Compounds

2013 Edition
| Editors: Shakhnoza S. Azimova, Ashraf I. Saidkhodzhaev

3β-Angeloyloxy-9β-hydroxy-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1127

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Taxonomy: Physicochemical and Pharmacological Properties of Sesquiterpene Esters – The Bicyclic Sesquiterpene Esters – Eremophilanes – Furanoeremophilanes – Monoesters

Biological sources: Farfugium japonicum (L.) Kitam. (= Ligularia tussilaginea Makino) [1]

C20H28O4: 332.1988

Mp: oil [1]

[α]D14 −14° (c 0.8, MeOH) [1]

UV (EtOH) 219 (ε 14500) [1]

IR (liquid): 1700, 1640, 1560

MS: 332 [M]+ (4), 314 (5), 124 (100), 83 (85), 55 (70) [1]

1H NMR (CCl4): 0.98 (3H, d, J = 7, H-15), 1.10 (3H, s, H-14), 1.89 (3H, H-13), 4.30 (1H, s, H-9), 5.16 (1H, m, H-3), 7.00 (1H, m, H-12); OAng: 1.89 (3H, H-5′), 1.96 (3H, d, J = 7, H-4′), 5.93 (1H, q, J = 7, H-3′) [1]

1H NMR (C6D6): [1]

References

  1. 1.
    H. Nagano, Y. Tanahashi, Y. Moriyama, T. Takahashi, Bull. Chem. Soc. Jpn. 46, 2840 (1973)CrossRefGoogle Scholar

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