Natural Compounds

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

3β-Angeloyloxy-6β-isovaleroyloxy-10βH-furanoeremophilan-15-oic Acid Methyl Ester

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1363

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

Biological sources: Othonna triplinervia DC., O. sp. novae [1]; O. leptodactyla Harv. [2]

C26H36O7: 460.2461

Mp: colorless oil [1]

IR (CCl4): 1735, 1720, 1650 [1]

MS: 460.247 [M]+ (3) (calc. for C26H36O7 460.246), 358 (10), 83 (100) [1]

1H NMR (270 MHz, CDCl3): 0.99 (3H, s, H-14), 2.25 (1H, m, H-10), 2.30 (1H, br d, J = 17, H-9b), 2.92 (1H, dd, J = 17; 8, H-9a), 2.99 (1H, d, J = 5, H-4), 5.50 (1H, ddd, J = 10; 5; 5, H-3), 6.33 (1H, s, H-6), 6.31 (1H, br s, H-2″ in OiVal), 6.41 (1H, br s, H-3′ in OAng) [1]

References

  1. 1.
    F. Bohlmann, K.-H. Knoll, Phytochemistry 17(3), 461 (1978)CrossRefGoogle Scholar
  2. 2.
    J. Jakupovic, V.P. Patnak, M. Grenz, S. Banerjee, C. Wolfrum, R.N. Baruah, F. Bohlmann, Phytochemistry 26(4), 1049 (1987)CrossRefGoogle Scholar

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