Natural Compounds

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

2-Acetoxy-epi-calomen-1-ol

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_802

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

Biological sources: Lophocolea heterophylla (Schrad.) Dum. [1]

C17H24O3: 276.1725

Mp: oil [1]

IR (CHCl3): 3560, 1760, 1490, 1460, 1380, 1365, 1230, 1170 [1]

EI-MS: 276 [M]+ (20), 233 (60), 191 (100), 173 (50), 145 (35), 129 (20) 91 (20), 77 (15), 55 (15) [1]

Found: [M]+ 276.1694; C17H24O3 requires 276.1725 [1]

1H NMR (400 MHz, CDCl3, TMS): 0.82 (3H, d*, J = 6.8, H-13), 0.97 (3H, d*, J = 6.8, H-12), 1.18 (3H, d, J = 6.8, H-15), 1.50 (1H, m, H-8eq), 1.75 (1H, m, H-7ax), 1.80 (1H, m, H-7eq), 1.90 (1H, m, H-8ax), 1.95 (1H, m, H-11), 2.11 (3H, s**, OAc), 2.36 (3H, s**, H-14), 2.45 (1H, m, H-6), 3.13 (1H, m, H-9), 5.00 (1H, s, OH), 6.61 (1H, s, H-4), *,** –assignments may be interchanged [1]

References

  1. 1.
    M. Toyota, Y. Asakawa, J.-P. Frahm, Phytochemistry 29(7), 2334 (1990)CrossRefGoogle Scholar

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