Natural Compounds

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

6β-Angeloyloxy-4α-hydroxy-furanoeremophil-1(10)-ene (6β-Angeloyloxy-4α-hydroxyeuryopsin)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1147

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

Biological sources: Euryops hebecarpus (DC) B. Nord. [1, 2]; E. linearis Harv., E. chrysanthemoides (DC.) B. Nord., E. pectinatus (L.) Cass, E. pectinatus (L.) Cass. × chrysanthemoides (DC.) B. Nord., E. rupestris (Schltr.) var. rupestris, E. tenuissimus Less. (Euryops tenuisissimus Less.) [2]; E. jacksonii S. Moore [3]; S. deppeanus Hemsl. [4]

C20H26O4: 330.1831

Mp: oil [1]

[α]24 (λ, nm): +50.4° (589), +51.4° (578), +60.3° (546) (c 10.0) [1]

IR: 3550 (OH), 1705 (C = O), 1650 [1]

UV 212 [1]

MS: 330.184 [M]+ (calc. for C20H26O4 330.183) [1]

1H NMR (CCl4): 1.11 (3H, s, H-15), 1.2–2.0 (2H, m, H-3), 1.23 (3H, s, H-14), 1.75 (3H, d, J = 1, H-13), 2.1 (2H, m, H-2), 2.96 (1H, d, J = 16, H-9α), 3.43 (1H, br d, J = 16, H-9β), 5.57 (1H, m, H-1), 6.39 (1H, br s, H-6), 6.92 (1H, br s, H-12); OAng: 1.91 (3H,...

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References

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    F. Bohlmann, C. Zdero, M. Grenz, Chem. Ber. 107, 2730 (1974)CrossRefGoogle Scholar
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    F. Bohlmann, C. Zdero, Phytochemistry 17(7), 1135 (1978)CrossRefGoogle Scholar
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    P. Gonser, J. Jakupovic, G.M. Mungali, Phytochemistry 30(3), 899 (1991)CrossRefGoogle Scholar
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    F. Bohlmann, K.-H. Knoll, C. Zdero, P.K. Mahanta, M. Grenz, A. Suwita, D. Ehlers, N.L. Van, W.-R. Abraham, A.A. Natu, Phytochemistry 16(7), 965 (1977)CrossRefGoogle Scholar

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