Natural Compounds

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

3α-Isovaleroyloxy-13-hydroxy-furanoeremophil-9-one (13-Hydroxy-euryopsonol-isovalerat)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1197

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

Biological sources: Euryops speciosissimum DC. [1, 2]

C20H28O5: 348.1937

Mp: oil [1]

IR: 3600, 1740, 1690 [1]

MS: 348.194 [M]+ (calc. for C20H28O5 348.194) [1]

1H NMR (CDCl3, TMS): 0.83 (3H, s, H-14), 0.94 (3H, d, J = 7, H-15), 2.53 (1H, d, J ≈ 17, H-6b), 2.90 (1H, d, J ≈ 17, H-6a), 4.71 (1H, ddd, J = 10.5; 10.5; 4, H-3), 7.53 (1H, q, J ≈ 1, H-12) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, N. Rao, Chem. Ber. 105, 3523 (1972)CrossRefGoogle Scholar
  2. 2.
    F. Bohlmann, C. Zdero, Phytochemistry 17(7), 1135 (1978)CrossRefGoogle Scholar

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