Natural Compounds

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

6β-Isobutyroyloxy-4α-hydroxy-furanoeremophil-9-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1189

CAS Registry Number: 53820-31-8 Open image in new window

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

Biological sources: Euryops hebecarpus (DC) B. Nord. [1, 2]; E. spathaceus DC. [2]

C19H26O5: 334.1780

Mp: 208°C [1]

[α]24 (λ, nm): −9.2° (589), −10.0° (578), −11.5° (546), −22.2° (436), −43.3° (365) (c 0.2) [1]

UV 269 (ε 12500) [1]

IR (KBr): 3440, 1730, 1665 [1]

MS: 334.178 [M]+ (4), (calc. for C19H26O5 334.178), 254 (3.5), 263 (6), 246 (30), 188 (42), 175 (100) [1]

1H NMR: 1.08 (3H, s, H-15), 1.17 (3H, s, H-14), 1.91 (3H, d, H-13), 3.0 (1H, m, H-10), 7.03 (1H, s, H-6), 7.31 (1H, br s, H-12) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, M. Grenz, Chem. Ber. 107, 2730 (1974)CrossRefGoogle Scholar
  2. 2.
    F. Bohlmann, C. Zdero, Phytochemistry 17(7), 1135 (1978)CrossRefGoogle Scholar

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