Natural Compounds

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

3α-[(Z)-4-Methylsenecioyloxy]-9α-hydroxy-7α,10αH-eremophil-11(12)-en-8-one (3α-(3-Methylpent-2c-enoyloxy)-9α-hydroxy-eremophil-8-on-11(12)-en)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1051

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

Biological sources: Euryops oligoglossus DC. ssp. oligoglossus [1]

C21H32O4: 348.2301

Mp: colorless oil [1]

IR (CCl4): 3490, 1710, 1650 [1]

MS: 348.230 [M]+ (8) (calc. for C21H32O4: 348.230), 234 (18), 216 (5), 96 (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.90 (3H, d, J = 7, H-15), 1.16 (3H, s, H-14), 1.79 (3H, br s, H-13), 3.26 (1H, br dd, J = 6; 13, H-7), 3.51 (1H, d, J = 3.5, OH), 3.98 (1H, dd, J = 11.5; 3.5, H-9), 4.79 (1H, br s, H-12b), 4.84 (1H, ddd, J = 11; 5, H-1), 4.99 (1H, br s, H-12a); OcMeSen: 1.08 (3H, t, J = 7.5, H-5′), 1.88 (3H, d, J = 1, H-6′), 2.63 (2H, q, J = 7.5, H-4′), 5.62 (1H, br s, H-2′) [1]

References

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

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