Natural Compounds

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

6-Angeloyloxy-1α,10-epoxy-furanoeremophilane (6-Angeloyloxy-1α,10-epoxy-euryopsin)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1140

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

Biological sources: Euryops othonnoides (DC.) B. Nord. [1]

C20H26O4: 330.1831

Mp: oil [1]

[α]D24 −17.5° (c 3.4) [1]

IR: 1725, 1660 [1]

MS: 330.183 [M]+ (0.5) (calc. for C20H26O4 330.183), 230 (19), 215 (3), 201 (13), 83 (100), 55 (69) [1]

1H NMR (CCl4, TMS): 1.10 (3H, d, J = 7, H-14), 1.21 (3H, s, H-15), 1.93 (3H, d, J ≈ 1, H-13), 2.11 (1H, J ≈ 17, H-9b), 2.99 (1H, br d, J ≈ 4, H-1), 3.15 (1H, J ≈ 17; 1, H-9a), 6.41 (1H, dd, J ≈ 1, H-6), 6.99 (1H, br s, H-12) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, N. Rao, Chem. Ber. 105, 3523 (1972)CrossRefGoogle Scholar

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