Natural Compounds

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

3β-Angeloyloxy-6,15-epoxy-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1122

Open image in new window

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

Biological sources: Othonna quinquedentata Thunb. [1]; O. triplinervia DC. [2]; Hertia pallens Kuntze. [3]

C20H26O4: 330.4070

MS: 330 [M]+ (12), 247 (0.3), 230 (5), 83 (45), 55 (100) [1]

1H NMR (100 MHz, C6D6): 1.37 (3H, s, H-14), 2.00 (3H, d, J = 1, H-13), 2.55 (2H, m, H-9), 3.68 (1H, dd, J = 11; 7.5, H-15β), 3.91 (1H, dd, J = 7.5; 7.5, H-15α), 4.57 (1H, br s, H-6), 5.31 (1H, dd, J = 5; 2, H-3), 7.00 (1H, q, J = 1, H-12); OAng: 1.79 (3H, dq, J = 1; 1, (in CDCl3 m), H-5′), 1.95 (3H, dq, J = 7; 1 (in CDCl3 m), H-4′), 5.75 (1H, qq, J = 7; 1, (in CDCl3 m), H-3′) [1]

References

  1. 1.
    F. Bohlmann, N. Rao, Tetrahedron Lett. 14, 613 (1973)CrossRefGoogle Scholar
  2. 2.
    F. Bohlmann, K.-H. Knoll, Phytochemistry 17(3), 461 (1978)CrossRefGoogle Scholar
  3. 3.
    J. Jakupovic, F. Bohlmann, M. Grenz, Phytochemistry 28(11), 3231 (1989)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013