Natural Compounds

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

6β-Propionyloxy-furanoeremophil-9(10)-en-1-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1265

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

Biological sources: Senecio pampse Lingesh. [1]

C18H22O4: 302.1518

Mp: yellow oil [1]

UV (Et2O) 352 [1]

IR (CCl4): 1745, 1680 [1]

MS: 302.157 [M]+ (41) (calc. for C18H22O4 302.157), 246 (100), 228 (34), 213 (49), 199 (63), 57 (50) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.97 (3H, d, J = 7, H-15), 1.19 (3H, s, H-14), 1.78 (2H, m, H-3), 1.88 (3H, d, J = 1, H-13), 2.13 (1H, m, H-4α), 2.46 (1H, ddd, J = 18; 10; 3.5, H-2α), 2.58 (1H, ddd, J = 18; 5, H-2β), 6.53 (1H, s, H-6α), 7.20 (1H, q, J = 1, H-12), 7.21 (1H, s, H-9); OProp: 1.23 (3H, t, J = 7, H-3′), 2.46 (2H, q, J = 7, H-2′) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, Phytochemistry 18(1), 125 (1979)CrossRefGoogle Scholar

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