Natural Compounds

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

6β-Angeloyloxy-3β-hydroxy-furanoeremophil-1(10)-ene (3β-Hydroxy-6β-angeloyloxy-euryopsine)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1146

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

Biological sources: Euryops empetrifolius DC., E. lateriflorus (L.f.) DC., E. sulcatus (Thunb.) Harv., E. pedunculatus N.E. Br. [1]

C20H26O4: 330.1831

Mp: colorless oil [1]

IR (CCl4): 3630, 1720, 1650, 1570 [1]

MS: 330.183 [M]+ (2) (calc. for C20H26O4: 330.183), 230 (52), 212 (15), 83 (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.92 (3H, d, J = 7, H-15), 1.10 (3H, s, H-14), 1.80 (3H, d, J = 1, H-13), 3.04 (1H, br d, J = 17, H-9b), 3.41 (1H, br d, J = 17, H-9a), 4.27 (1H, ddd, J = 7; 3.5; 7, H-3), 5.56 (1H, br s, H-1), 6.24 (1H, br s, H-6α), 7.03 (1H, br s, H-12); OAng: 1.94 (3H, dq, J = 1.5; 1.5, H-5′), 2.03 (3H, dq, J = 7; 1.5, H-4′), 6.17 (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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