Natural Compounds

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

8β-Acetoxy-caryophylla-2(15),5-dien-7-one (Buddledin A)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_826

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

Biological sources: Buddleja davidii Franch. [1]

C17H24O3: 276.1725

Mp: 94–95°C [1]

[α]D −245° (c 0.74, CHCl3) [1]

UV (MeOH) 238 (ε 8500) [1]

IR (KBr): 1742, 1682, 1642, 1236, 890 [1]

MS: 276.3630 [M]+ [1]

1H NMR (90 MHz, CDCl3): 1.11 (6H, s, H-12, H-13), 1.64 (3H, d, J = 2, H-14), 4.93 (2H, s, H-15), 5.67 (1H, d, J = 11, H-8), 6.45 (1H, m, H-5) [1]

X-ray (bromohydrin of buddledin A): [1]

References

  1. 1.
    T. Yoshida, J. Nobuhara, M. Uchida, T. Okuda, Tetrahedron Lett. 17, 3717 (1976)CrossRefGoogle Scholar

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