Natural Compounds

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

1β,6β-Diangeloyloxy-10βH-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1396

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

Biological sources: Gynoxys acostae Cuatrec. [1]

C25H34O5: 414.2406

IR (CCl4): 1721, 1650, 1447, 1220, 1140 [1]

EI-MS: 414.241 [M]+ (3) (calc. for C25H34O5: 414.241), 314 [M – C4H7COOH]+ (3), 214 [314 – C4H7COOH]+ (80), 172 (60), 83 [C4H7CO]+ (100) [1]

1H NMR (400 MHz, CDCl3): 1.03 (3H, d, H-15), 1.05 (3H, s, H-14), 1.47 (1H, dddd, H-3β), 1.56 (1H, dddd, H-2β), 1.67 (1H, m, H-4), 1.82 (3H, d, H-13), 2.03 (1H, dddd, H-2α), 2.24 (1H, br dddd, H-3α), 2.24 (1H, ddd, H-10), 2.60 (1H, brdd, H-9α), 2.69 (1H, br ddd, H-9β), 4.71 (1H, ddd, H-1), 6.46 (1H, br s, H-6), 7.03 (1H, br s, H-12); OAng-1: 1.88 (3H, dq, H-5′), 1.96 (3H, dq, H-4′), 6.03 (1H, qq, H-3′); OAng-6: 1.91 (3H, ddq, H-5″), 2.01 (3H, ddq, H-4″), 6.12 (1H, s(qq), H-3″) [1]

References

  1. 1.
    J. Jakupovic, C. Zdero, M. Kings, Phytochemistry 40(6), 1677 (1995)CrossRefGoogle Scholar

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