Natural Compounds

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

6α-Angeloyloxy-furanoeremophil-9(10)-en-1-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1135

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

Biological sources: Senecio halimifolius L. [1]

C20H24O4: 328.1675

Mp: yellow oil [1]

UV (ether): 346 [1]

IR (CCl4 or CHCl3): 1715, 1670, 1650, 1610, 1570, 1525 [1]

MS: 328.167 [M]+ (44) (calc. for C20H24O4), 228 (100), 83 (81), 55 (57) [1]

1H NMR (270 MHz, CDCl3): 1.02 (3H, s, H-14), 1.03 (3H, d, J = 7, H-15), 2.10 (3H, d, J = 1, H-13), 2.29 (1H, ddq, J = 6; 9; 7, H-4α), 2.64 (4H, m, H-2, H-3), 5.93 (1H, s, H-6β), 7.26 (1H, q, J = 1, H-12), 7.44 (1H, s, H-9); OAng: 1.80 (3H, dq, J = 1.5; 1.5, H-5′), 1.85 (3H, dq, J = 7; 1.5, H-4′), 6.01 (1H, qq, J = 7; 1.5, H-3′) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, Phytochemistry 17(7), 1161 (1978)CrossRefGoogle Scholar

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