Natural Compounds

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

6β-(2′,3′-Epoxy-angeloyloxy)-4α-hydroxy-10αH-furanoeremophil-9-one (4α-Hydroxy-6β-(2′-methyl-2′,3′-epoxybutyryloxy)-10αH-furanoeremophil-9-one)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1163

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

Biological sources: Euryops wagneri Compton [1]

C20H26O6: 362.173

Mp: 193°C (colorless crystals, Et2O–petrol) [1]

[α]24 (λ, nm): −58.1° (589), −61.5° (578), −72.1° (546), −275.6° (436) (c 0.52, CHCl3) [1]

IR (CCl4): 3620, 1745, 1680, 1540 [1]

MS: 362.173 [M]+ (5) (calc. for C20H26O6: 362.173), 344 (2), 246 (39), 188 (46), 175 (100), 162 (93) [1]

1H NMR (270 MHz, CDCl3, TMS): 1.03 (3H, s, H-14), 1.18 (3H, s, H-15), 1.93 (3H, d, H-13), 2.87 (1H, dd, H-10α), 6.99 (1H, s, H-6α), 7.35 (1H, q, H-12) [1]

References

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

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