Natural Compounds

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

3β-(2′-Methylacryloyloxy)-10βH-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1214

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

Biological sources: Othonna macrophylla DC. [1]

C19H26O3: 302.1882

IR: 1720 (C = O), 1642, 1575 (furane) [1]

MS: 302.187 [M]+ (27) (calc. for C19H26O3 302.189), 216 (6), 108 (100), 69 (16) [1]

1H NMR: 0.93 (3H, s, H-15), 0.99 (3H, d, J = 7, H-14), 1.89 (3H, d, J = 1, H-13), 2.25 (1H, br d, J = 7.75, H-6α), 2.75 (1H, br d, J = 17, H-6β), 5.25 (1H, ddd, J = 10; 5; 5, H-3), 6.92 (1H, br s, H-12); OMeacr: 1.91 (3H, dd, H-4′), 5.45 (1H, dq, J = 1.7; 1.7, H-3′a), 6.13 (1H, dq, J = 1.7; 1, H-3′b) [1]

References

  1. 1.
    F. Bohlmann, A. Suwita, Chem. Ber. 109, 1230 (1976)CrossRefGoogle Scholar

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