Natural Compounds

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

6β-Angeloyloxy-3β-isobutyroyloxy-furanoeremophilan-15-oic Acid

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1380

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

Biological sources: Othonna coronopifolia L., O. barkerae Compton [1]

C24H32O7: 432.2148

Mp: oil [1]

IR: 3600–2600, 1705, 1740, 1720, 1650 [1]

MS: 432.215 [M]+ (0.7), (calc. for C24H32O7 432.215) [1]

1H NMR: OAng: 1.85 (3H, br s, H-5′), 1.96 (3H, dq, J = 7; 1, H-4′), 6.02 (1H, qq, J = 7; 1, H-3′); OiBu: 1.30 and 1.26 (each 3H, d, J = 7, H-3′, H-4′), 2.66 (1H, qq, J = 7; 7, H-2″) [1]

References

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

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