Natural Compounds

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

6β-Tigloyloxy-9α-hydroxy-1β,10β-epoxy-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1312

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

Biological sources: Euryops oligoglossus DC. ssp. oligoglossus [1]

C20H26O5: 346.1780

Mp: colorless oil [1]

IR (CCl4): 3600, 1715, 1640 [1]

MS: 346.178 [M]+ (2) (calc. for C20H26O5: 346.178), 246 (12), 189 (90), 97 (62), 83 (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 1.10 (3H, d, J = 7, H-15), 1.24 (3H, s, H-14), 1.84 (3H, d, J = 5, H-13), 3.68 (1H, d, J = 5, H-1α), 5.07 (1H, br s, H-9β), 6.48 (1H, d, J = 2, H-6α), 7.17 (1H, br s, H-12); OTigl: 1.90 (3H, br s, H-5′), 1.91 (3H, br d, J = 7, H-4′), 7.01 (1H, qq, J = 7; 1, H-3′) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, Phytochemistry 17(7), 1135 (1978)CrossRefGoogle Scholar

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