Natural Compounds

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

6β-(2′-Methylacryloyloxy)-furanoeremophila-1(10),2(3)-dien-9-one (6β-(2′-Methylacryloyloxy)-9-oxo-2,3-didehydroeuryopsin)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1221

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

Biological sources: Euryops spathaceus DC [1]

C19H20O4: 312.1362

IR: 1725, 1672, 1633 [1]

UV: 341 (ε 10900), 327.5 (ε 13400), 313 (ε 11600), 300 (ε 10000) [1]

MS: 312.135 [M]+ (0.8) (calc. for C19H20O4 312.136), 243 (73), 226 (59), 211 (67), 69 (100) [1]

1H NMR: 0.97 (3H, s, H-14), 1.13 (3H, d, J = 6.5, H-15), 1.87 (3H, d, H-13), 2.80 (m, H-4), 5.72 (1H, ddd, J = 8; 2.5; 1, H-3), 6.18 (1H, ddd, J = 8; 5; 3, H-2), 6.35 (1H, s, H-6), 7.20 (1H, dd, J = 5; 1, H-1), 7.39 (1H, q, H-12); OMeacr: 2.03 (3H, t, H-4′), 5.67 (1H, dq, H-3′a), 6.19 (1H, H-3′b) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, M. Grenz, Chem. Ber. 107, 2730 (1974)CrossRefGoogle Scholar

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