Natural Compounds

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

3α-[(E)-4-Methylsenecioyloxy]-1β,10β-epoxy-furanoeremophilane (3α-(3-Methyl-pent-2trans-enoyloxy)-1β,10β-epoxy-furanoeremophilane)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1251

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

Biological sources: Euryops acraeus M.D. Hend., E. pedunculatus N.E.Br. [1]

C21H28O4: 344.1988

Mp: colorless oil [1]

IR (CCl4): 1710, 1650 [1]

MS: 344.199 [M]+ (13) (calc. for C21H28O4: 344.199), 230 (82), 79 (100) [1]

1H NMR (270 MHz, C6D6, TMS): 1.05 (3H, s, H-14), 1.23 (3H, d, J = 7, H-15), 1.71 (3H, d, J = 1.3, H-13), 1.82 (1H, m, H-4α), 1.98 (1H, br d, J = 16, H-6α), 2.07 (1H, dd, J = 14; 7, H-2α), 2.11 (1H, br d, J = 17, H-9α), 2.25 (1H, m, H-2β), 2.47 (1H, d, J = 5, H-1α), 2.84 (1H, br d, J = 17, H-9β), 3.08 (1H, br d, J = 16, H-6β), 5.21 (1H, ddd, J = 7; 11; 4, H-3β), 6.97 (1H, br s, H-12); OtMeSen: 1.14 (3H, t, J = 1, H-5′), 1.78 (2H, br q, J = 1, H-4′), 2.17 (3H, d, J = 1, H-6′), 5.75 (1H, br s, H-2′) [1]

References

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

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