Natural Compounds

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

3α-[(E)-4-Methylsenecioyloxy]-10αH-furanoeremophilane (3α-(3-Methyl-2trans-pentenoyloxy)-10αH-furanoeremophilan)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1248

CAS Registry Number: 59742-05-1 Open image in new window

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

Biological sources: Senecio praecox DC. [1]

C21H30O3: 330.2195

Mp: oil [1]

IR: 1710, 1650, 880 [1]

MS: [M]+ 330.218 (8) (calc. for C21H30O3: 330.219), 216 [M – C5H9COOH]+ (100), 97 [C5H9CO]+ (20) [1]

1H NMR (CDCl3, TMS): 0.73 (3H, s, H-14), 0.96 (3H, d, J = 7, H-15), 1.89 (3H, d, J = 1, H-13), 4.75 (1H, ddd, J = 10; 10; 4, H-3β), 6.92 (1H, br s, H-12); OtMeSen: 1.09 (3H, t, J = 7, H-5′), 2.14 (3H, d, H-6′), 2.17 (2H, q, H-4′), 5.56 (1H, d, J = 1, H-2′) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, Chem. Ber. 109, 819 (1976)CrossRefGoogle Scholar

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