Natural Compounds

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

6β-Acetoxy-1α-angeloyloxy-10β-hydroxy-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1344

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

Biological sources: Euryops brevilobus Compton [1]

C22H30O6: 390.2042

Mp: colorless oil [1]

[α]24 (λ, nm): −47.2° (589), −49.5° (578), −56.9° (546), −102.8° (436) (c 3.3, CHCl3) [1]

IR (CCl4): 3590, 1750, 1720, 1655, 1225 [1]

MS: 390.204 [M]+ (4) (calc. for C22H30O6: 390.204), 372 (8), 330 (12), 230 (20), 124 (100), 83 (100) [1]

1H NMR (270 MHz, CDCl3): 0.91 (3H, d, J = 6, H-15), 1.13 (3H, s, H-14), 1.92 (3H, d, J = 1, H-13), 2.06 (3H, s, OAc), 2.97 (1H, br d, J = 18.5, H-9α), 3.17 (1H, br d, J = 18.5, H-9β), 3.23 (1H, s, OH), 5.27 (1H, dd, J = 5.5; 11, H-1β), 6.13 (1H, s, H-6α), 7.14 (1H, br s, H-12); OAng: 1.93 (3H, dq, H-5′), 2.02 (3H, dq, H-4′), 6.08 (1H, qq, H-3′) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, Phytochemistry 17(7), 1135 (1978)CrossRefGoogle Scholar

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