Natural Compounds

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

3β,6β-Dipropyonyloxy-furanoeremophil-1(10)-en-9-one (3β,6β-Dipropyonyloxy-euryopsin-9-one)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1409

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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]

C21H26O6: 374.1729

Mp: colorless viscous oil [1]

IR (CCl4): 1740, 1680, 1640, 1535 [1]

MS: 374.173 [M]+ (4) (calc. for C21H26O6: 374.173), 318 (8), 300 (4), 244 (25), 226 (100), 57 (63) [1]

1H NMR (270 MHz, CDCl3, TMS): 1.03 (3H, d, J = 7, H-15), 1.26 (3H, s, H-14), 1.93 (3H, d, J = 1, H-13), 2.15 (1H, dq, J = 2.5; 7, H-4α), 2.45 (1H, ddd, J = 17; 7; 4, H-2α), 2.54 (1H, ddd, J = 17; 2.5; 4, H-2β), 5.07 (1H, ddd, J = 7; 2.5; 2.5, H-3α), 6.40 (1H, s, H-6α), 6.76 (1H, t, J = 4, H-1), 7.44 (1H, q, J = 1, H-12), 3-OProp: 1.24 (3H, t, J = 7.5, H-3′), 2.52 (2H, q, J = 7.5, H-2′); 6-OProp: 1.13 (3H, t, J = 7.5, H-3″), 2.32 (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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