Natural Compounds

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

2α-Acetoxy-9α-angeloyloxy-8α-hydroxy-eremophil-11(12)-ene (2α-Acetoxy-9α-angeloyloxy-lateriflorol)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1084

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

Biological sources: Euryops lateriflorus (L. f.) DC. [1, 2]

C22H34O5: 378.2400

Mp: oil [1]

IR: 3610, 1740, 1250, 1720, 1645, 3090, 910 [1]

MS: 378.239 [M]+ (0.8) (calc. for C22H34O5 378.240) [1]

1H NMR (CDCl3, TMS): 0.79 (3H, d, J = 6.5, H-15), 0.83 (3H, s, H-14), 1.82 (3H, br s, H-13), 2.50 (1H, m, H-7), 4.44 (1H, m, H-8), 4.88 (1H, br s, H-12b), 5.04 (1H, m, H-2), 5.06 (1H, br s, H-12a), 5.20 (1H, dd, J = 11.5; 2, H-9) [1]

1H NMR(270 MHz, TMS): 0.80 (3H, d, H-15), 0.83 (3H, s, H-14), 1.3–1.6 (2H, m, J = 15; 2; 3; 2; 12, H-1α, H-1β), 1.3–1.6 (2H, m, J = 4; 12, H-3), 1.60 (1H, dd, J = 14; 7.5, H-6α), 1.82 (3H, br s, H-13), 1.88 (1H, br d, J = 14; 4, H-6β), 2.35 (1H, ddd, J = 10, H-10α), 2.54 (1H, ddd, J = 7.5; 4, 4, H-7α), 4.45 (1H, dd, J = 4; 3, H-8β), 4.89 (1H, br s, H-12b), 4.90 (1H, ddd, J = 2; 2;...

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References

  1. 1.
    F. Bohlmann, C. Zdero, M. Grenz, Chem. Ber. 107, 2730 (1974)CrossRefGoogle Scholar
  2. 2.
    F. Bohlmann, C. Zdero, Phytochemistry 17(7), 1135 (1978)CrossRefGoogle Scholar

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