Natural Compounds

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

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

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1381

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

Biological sources: Ligularia schmidtii Makino [1]

C25H34O7: 446.2305

C26H36O7: 460.2461 (methyl ester)

Mp: oil (isolated as methyl ester)

IR (methyl ester): 1735, 1720, 1650

MS (methyl ester): 460 [M]+ (1) (C26H36O7); 358 (11), 258 (27), 85 (42), 83 (100)

1H NMR (CDCl3) (methyl ester): 1.04 (3H, s, H-14), 5.43 (ddd, J = 11; 5.5; 5.5, H-3α); OiVal: 0.93 (6H, d, J = 7, H-4′, H-5′), 2.0 (1H, m, H-2′), 2.12 (2H, br d, J = 7, H-3′),

References

  1. 1.
    F. Bohlmann, K.-H. Knoll, Phytochemistry 18(5), 877 (1979)CrossRefGoogle Scholar

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