Natural Compounds

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

3β-Angeloyloxy-6β-propionyloxy-furanoeremophil-1(10)-en-9-one (3β-Angeloyloxy-6β-propionyloxy-euryopsin-9-one)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1370

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

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

C23H28O6: 400.1886

Mp: colorless viscous oil [1]

IR (CCl4): 1745, 1715, 1680, 1635, 1535 [1]

MS: 400.189 [M]+ (0.5) (calc. for C23H26O6: 400.189), 344 (8), 326 (0.5), 244 (19), 226 (100), 83 (77), 57 (55) [1]

1H NMR (270 MHz, CDCl3): 1.07 (3H, d, J = 7, H-15), 1.28 (3H, s, H-14), 1.93 (3H, d, J = 1, H-13), 2.20 (1H, dq, J = 2.5; 7, H-4α), 2.47 (1H, ddd, J = 17; 7; 4, H-2α), 2.59 (1H, ddd, J = 17; 2.5; 4, H-2β), 5.14 (1H, ddd, J = 7; 2.5; 2.5, H-3α), 6.41 (1H, s, H-6α), 6.76 (1H, t, J = 4, H-1), 7.44 (1H, q, J = 1, H-12); OAng: 1.87 (3H, dq, J = 1.5; 1.5, H-5′), 1.98 (3H, dq, J = 7; 1.5, H-4′), 6.05 (1H, qq, J = 7; 1.5, H-3′); OProp: 1.24 (3H, t, J = 7.5, H-3″), 2.52 (2H, q, J = 7.5, H-2″) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, Phytochemistry 17(7), 1135 (1978)CrossRefGoogle Scholar

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