Natural Compounds

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

8β-Acetoxy-5α,9β,10α(H)-muurola-3,6(11)-dien-7β-ol (8β-Acetoxy-7β-hydroxy-verboccidenten)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_811

Open image in new window

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

Biological sources: Verbesina occidentalis (L.) Walter [1]

C17H26O3: 278.1882

Mp: colorless oil [1]

IR (CCl4): 3550, 1730, 1240 [1]

MS: 278.189 [M]+ (20) (calc. for C17H26O3: 278.188), 260 [M − H2O]+ (3), 218 [M − AcOH]+ (67), 203 [218 −⋅CH3]+ (28), 200 [218 − H2O]+ (36), 189 [218 − CHO]+ (97), 43 [MeCO]+ (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.94 (3H, d, J = 7, H-14), 1.64 (1H, br s, H-15), 1.74 (3H, s, H-13), 1.81 (3H, s, H-12), 2.14 (3H, s, OAc), 2.19 (1H, ddq, J = 7; 11; 7, H-9β), 3.41 (1H, br s, H-5α), 4.52 (1H, dd, J = 11, H-8), 4.77 (1H, br s, H-7), 5.18 (1H, br s, H-4) [1]

References

  1. 1.
    F. Bohlmann, M. Lonitz, Phytochemistry 17(3), 453 (1978)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013