Natural Compounds

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

3β-Angeloyloxy-furanoeremophilan-15-oic Acid

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1115

Open image in new window

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

Biological sources: Othonna amplexicaulis Thunb., O. coronopifolia L. [1]

C20H26O5: 346.1780

Mp: amorphous [1]

IR: 3600–2600, 1710, 1720, 1645 [1]

MS: 346.177 [M]+ (17) (calc. for C20H26O5 346.178), 263 (5), 246 (34), 108 (80), 83 (100) [1]

1H NMR (CDCl3): 1.05 (3H, s, H-14), 1.91 (3H, d, J = 1, H-13), 2.7 (2H, m, H-6), 2.98 (1H, d, J = 5.5, H-4), 5.38 (1H, ddd, J = 5.5; 11; 5.5, H-3), 7.04 (1H, br s, J = 1, H-12), 10.05 (3H, br s, H-15), [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, M. Grenz, Chem. Ber. 107, 3928 (1974)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013