Natural Compounds

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

3β-Angeloyloxy-6β-senecioyloxy-10βH-furanoeremophilan-15-oic Acid Methyl Ester

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1373

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

Biological sources: Othonna arborescens L., O. triplinervia DC., O. sp. novae [1]; Hertia pallens Kuntze. [2]

C26H34O7: 458.2305

Mp: colorless oil [1]

[α]D24: −36.4° (589), −38.0° (578), −44.4° (546), −82.8° (436) (c 0.5) [1]

IR (CCl4): 1735, 1720, 1650 [1]

MS: 458.230 [M]+ (8%) (calc. for C26H34O7 458.230), 358 (16), 83 (100) [1]

1H NMR (270 MHz, CDCl3): 0.99 (3H, s, H-14), 2.25 (1H, m, H-10), 2.30 (1H, br d, J = 17, H-9b), 2.92 (1H, dd, J = 17; 8, H-9a), 2.99 (1H, d, J = 5, H-4), 5.50 (1H, ddd, J = 10; 5; 5, H-3), 6.33 (1H, s, H-6), 6.34 (1H, br s, H-2″ in OSen), 6.41 (1H, br s, H-3′ in OAng) [1]

References

  1. 1.
    F. Bohlmann, K.-H. Knoll, Phytochemistry 17(3), 461 (1978)CrossRefGoogle Scholar
  2. 2.
    J. Jakupovic, F. Bohlmann, M. Grenz, Phytochemistry 28(11), 3231 (1989)CrossRefGoogle Scholar

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