Natural Compounds

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

2β,3α-Diangeloyloxy-10αH-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1395

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

Biological sources: Othonna bulbosa L. [1]

C25H34O5: 414.2406

Mp: oil [1]

IR: 1722, 1650 [1]

MS: 414.240 [M]+ (7) (calc. for C25H34O5 414.214), 314 (35), 231 (27), 214 (20), 199 (9), C10H11O 147 (32), 108 (34), 83(100) [1]

1H NMR (270 MHz, CCl4, TMS): 0.83 (3H, d, J = 6.5, H-15), 1.18 (3H, s, H-14), 1.88 (3H, d, J = 1, H-13), 5.20 (2H, m, H-2, H-3), 6.93 (1H, br s, H-12); OAng: 1.8–1.9 (6H, m, H-5′, H-5″), 1.94 (6H, dq, J = 7; 1, H-4′, H-4″), 5.94 (2H, m, H-3′, H-3″) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, M. Grenz, Chem. Ber. 107, 3928 (1974)CrossRefGoogle Scholar

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© Springer Science+Business Media New York 2013