Natural Compounds

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

8α-Acetoxy-9α-[3-methylpent-3(E)-enoyloxy]-7α,10βH-eremophil-11(12)-ene

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1085

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

Biological sources: Euryops algoensis DC. [1]

C23H34O5: 390.2406

IR (CCl4): 1740 [1]

1H NMR (400 MHz, CDCl3): 0.89 (3H, d, J = 7, H-15), 1.07 (3H, s, H-14), 1.29 (1H, dd, J = 13; 13; H-6β), 1.67 (3H, br s, H-13), 1.89 (3H, s, OAc), 1.98 (1H, dd, J = 13; 3; H-6α), 2.15 (1H, br d, J = 15, H-1α), 2.15 (1H, ddd, J = 15; 12.5; H-3β), 2.15 (1H, ddd, J = 7; 3, H-10), 2.30 (1H, ddd, J = 15; 5; H-3α), 2.57 (1H, ddd, J = 3; 13; 13; H-7), 2.63 (1H, dd, J = 15; 7; H-1β), 2.75 (1H, ddq, J = 5; 12.5; 7, H-4), 4.73 (1H, br s, H-12b), 4.80 (1H, br s, H-12a), 4.85 (1H, dd, J = 13; 3.5; 2, H-8), 5.35 (1H, dd, J = 3.5; 3, H-9); OtMePenten: 1.65 (3H, d, H-5′), 1.78 (3H, d, J = 1, H-6′), 3.07 and 2.90 (2H, 2×d, J = 7, H-2′), 5.44 (1H, q, J = 1, H-4′) [1]

References

  1. 1.
    P. Gonser, J. Jakupovic, G.M. Mungali, Phytochemistry 30(3), 899 (1991)CrossRefGoogle Scholar

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