Natural Compounds

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

3α,9β-Diangeloyloxy-7α,10βH-eremophil-11(12)-en-8-one (Seneremophilondiol Diagelicate)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1091

Open image in new window

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

Biological sources: Senecio gerardii Harv. [1]

C25H36O5: 416.2563

Mp: colorless oil [1]

IR (CCl4): 1725, 1715, 1650 [1]

MS: 416.256 [M]+ (5), 316 (14), 216 (9), 201 (2), 83 (100) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.96 (3H, d, J = 7, H-15), 1.23 (3H, s, H-14), 1.53 (1H, dq, J = 10; 7, H-4α), 1.65 (1H, dd, J = 14; 13, H-6β), 1.78 (3H, br s, H-13), 1.82 (3H, m, H-10β), 2.13 (1H, dd, J = 14; 5, H-6α), 3.28 (1H, dd, J = 5; 13, H-7α), 4.78 (1H, br s, H-12b), 4.90 (1H, ddd, J = 10; 5; 10, H-3β), 4.98 (1H, dq, J = 1; 1, H-12a), 5.20 (3H, d, J = 12, H-9α); OAng-3: 1.89 (3H, dq, H-5′), 1.99 (3H, dq, H-4′), 6.06 (1H, qq, H-3′); OAng-9: 1.95 (3H, dq, H-5″), 2.00 (3H, dq, H-4″), 6.11 (1H, qq, H-3″) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, Phytochemistry 17(8), 1337 (1978)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013