Natural Compounds

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

6β-Isobutyroyloxy-10β-hydroxy-furanoeremophil-1(2)-en-3-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1186

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

Biological sources: Senecio vellereus Frahch. [1]

C19H24O5: 332.1624

Mp: oil [1]

IR: 3570, 1740, 1680 [1]

MS: 332.162 [M]+ (4) (calc. for C19H24O5 332.162), 244 [M – C3H7COOH] (45), 71 [C3H7CO]+ (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 1.10 (3H, s, H-14), 1.20 (3H, d, J = 7, H-15), 1.96 (3H, d, J = 1, H-13), 2.35 (1H, q, J = 7, H-4), 2.98 (1H, H-9α), 3.26 (1H, br d, H-9β), 5.98 (1H, d, J = 10, H-2), 6.19 (1H, br s, H-6α), 6.92 (1H, d, J = 10, H-1), 7.15 (1H, br s, J = 1, H-12); OiBu: 2.06 (br s), 5.69 (dq), 6.26 (br s) [1]

References

  1. 1.
    F. Bohlmann, K.-H. Knoll, C. Zdero, P.K. Mahanta, M. Grenz, A. Suwita, D. Ehlers, N.L. Van, W.-R. Abraham, A.A. Natu, Phytochemistry 16(7), 965 (1977)CrossRefGoogle Scholar

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