Natural Compounds

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

12-Acetoxy-5α,9β,10α(H)-muurola-3,6(11)-diene (12-Acetoxy-verboccidenten)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_813

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

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

C17H24O2: 260.1776

Mp: colorless oil, not free from 8β-acetoxy-6,11-dehydroverboccidenten [1]

IR (CCl4): 1740, 1240, 1615, 890 [1]

MS: 260.178 [M]+ (5) (calc. for C17H24O2: 260.178), 200 [M − AcOH]+ (76), 200 (63), 43 [MeCO]+ (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.88 (3H, d, J = 7, H-14), 1.63 (3H, br s, H-15), 1.74 (3H, br s, H-13), 1.95 (2H, m, H-8, H-9), 2.07 (3H, s, OAc), 3.36 (1H, br s, H-5α), 4.58 (1H, d, J = 11, H-12b), 4.64 (1H, d, J = 11, H-12a), 4.95 (1H, br s, H-4) [1]

References

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

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