Natural Compounds

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

6β-Angeloyloxy-9α-hydroxy-furanoeremophil-1(10)-ene (9α-Hydroxy-6β-angeloyloxy-euryopsine

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1148

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

Biological sources: Euryops brevipapposus M.D. Hend, E. rehmannii Compton, E. othonnoides (DC.) B. Nord. [1]

C20H26O4: 330.1831

Mp: colorless oil [1]

IR (CCl4): 3620, 1715, 1645 [1]

MS: 330.183 [M]+ (1) (calc. for C20H26O4: 330.183), 230 (32), 83 (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.94 (3H, d, J = 7, H-15), 1.08 (3H, s, H-14), 1.81 (3H, d, J = 1, H-13), 1.90 (1H, m, H-4), 5.23 (1H, br s, H-9β), 6.02 (1H, br s, H-1), 6.30 (1H, d, J = 2.3, H-6), 7.12 (1H, q, J = 1, H-12); OAng: 1.94 (3H, dq, J = 1.5; 1.5, H-5′), 2.03 (3H, dq, J = 7; 1.5, H-4′), 6.16 (1H, qq, J = 7; 1.5, H-3′) [1]

References

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

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