Natural Compounds

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

6β-(2′-Methyl-2′-vinylacetoxy)-furanoeremophil-9-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1264

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

Biological sources: Senecio aschenbornianus Schauer [1]

C20H26O4: 330.1831

Mp: colorless gum [1]

IR (CCl4): 1735, 1700 [1]

MS: 330.183 [M]+ (4.5) (calc. for C20H26O4: 330.183), 248 (100), 230 (44), 83 (43), 55 (91) [1]

HPLC [1]

1H NMR (400 MHz, CDCl3, TMS): 0.84 (3H, d, J = 7, H-15), 0.94 (3H, s, H-14), 1.80 (1H, m, H-4), 1.88 (3H, br s, H-13), 2.39 (1H, dd, J = 3.5; 12, H-10), 6.35 (1H, s, H-6), 7.34 (1H, br s, H-12); acyl group: 1.36 (3H, d, J = 7, H-5′), 3.25 (1H, br dq, J = 8; 1; 1; 7, H-2′), 5.15 (1H, br d, J = 1, H-4′cis), 5.19 (1H, br d, J = 1, H-4′trans), 5.95 (1H, ddd, J = 8; 10; 17, H-3′) [1]

References

  1. 1.
    A.H. Mericli, F. Mericli, J. Jakupovic, F. Bohlmann, X.A. Dominguez, H.S. Vega, Phytochemistry 28(4), 1149 (1989)CrossRefGoogle Scholar

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