Natural Compounds

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

9α-Tigloyloxy-8α-hydroxy-7α,10βH-eremophil-11(12)-en-2-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1081

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

Biological sources: Euryops algoensis DC. [1]

C20H30O4: 334.2144

IR (CCl4): 1725 [1]

1H NMR (400 MHz, CDCl3): 0.89 (3H, d, J = 7, H-15), 1.04 (3H, s, H-14), 1.25 (1H, dd, J = 13; 13; H-6β), 1.74 (3H, br s, H-13), 1.87 (1H, dd, J = 13; 3; H-6α), 2.05 (1H, ddd, J = 7; 3, H-10), 2.14 (1H, br d, J = 15; H-1α), 2.14 (1H, ddd, J = 15; 12.5; H-3β), 2.31 (1H, ddd, J = 15; 5; H-3α), 2.41 (1H, ddd, J = 3; 13; 13; H-7), 2.62 (1H, dd, J = 15; 7; H-1β), 2.72 (1H, ddq, J = 5; 12.5; 7, H-4), 3.68 (1H, ddd, J = 13; 3.5; 2, H-8), 4.86 (1H, br s, H-12b), 4.89 (1H, br s, H-12a), 5.31 (1H, dd, J = 3.5; 3, H-9); OTigl: 1.73 (3H, br d, H-5′), 1.74 (3H, br d, H-4′), 6.74 (1H, qq, H-3′) [1]

References

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

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