Natural Compounds

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

6β-Angeloyloxy-furanoeremophil-1(10)-ene (6-Angeloyloxy-euryopsin)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1132

CAS Registry Number: 40072-63-7 Open image in new window

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

Biological sources: Euryops othonnoides (DC.) B. Nord. [1]; E. spathaceus DC. [2]

C20H26O3: 314.1882

Mp: oil [1]

[α]D24 +4.2° (c 0.7) [1]

IR: 1725, 1660, 1640 [1]

MS: 314.187 [M]+ (3) (calc. for C20H26O3 314.188), 231 (7), 214 (50), 199 (15), 83 (100), 55 (51) [1]

1H NMR (CCl4, TMS): 0.95 (3H, d, J = 7, H-15), 1.08 (3H, s, H-14), 1.77 (1H, d, J ≈ 1, H-13), 2.99 (1H, br d, J ≈ 17, H-9a), 3.46 (1H, br d, J ≈ 17, H-9b), 5.69 (1H, m, H-1), 6.23 (1H, dd, J ≈1, H-6), 6.97 (1H, br s, H-12) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, N. Rao, Chem. Ber. 105, 3523 (1972)CrossRefGoogle Scholar
  2. 2.
    F. Bohlmann, C. Zdero, M. Grenz, Chem. Ber. 107, 2730 (1974)CrossRefGoogle Scholar

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