Natural Compounds

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

3β-(2′-Methylacryloyloxy)-bicyclogermacrene

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_799

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

Biological sources: Euryops sp. [1]

C19H28O2: 288.2089

Mp: colorless oil [1]

IR (CCl4): 1720, 1640 [1]

MS: 288.209 [M]+ (3) (calc. for C19H28O2: 288.209), 202 (6), 69 (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.65 (1H, ddd, J = 8; 12; 3, H-7), 1.03 (3H, s, H-12), 1.10 (3H, s, H-13), 1.32 (1H, dd, J = 11; 8, H-6), 1.53 (3H, d, J = 1, H-14), 1.66 (3H, d, J = 1, H-15), 4.58 (1H, br d, J = 11, H-5), 4.92 (1H, dd, J = 10; 6, H-1), 5.04 (1H, dd, J = 10; 6, H-3); OMeacr: 1.98 (3H, dd, H-4′), 5.56 (1H, dq, H-3′b), 6.16 (1H, br s, H-3′a) [1]

References

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

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