Natural Compounds

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

8α,9α-di(3′-Methylpent-3′-enoyloxy)-7α,10βH-eremophil-11(12)-en-2-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1094

Open image in new window

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

Biological sources: Euryops algoensis DC. [1]

C27H40O5: 444.2876

IR (CCl4): 1740, 1725 [1]

MS: 444.288 [M]+ (18) (C27H40O5), 330 (6), 97 (98), 96 (100) [1]

HPLC: MeOH – H2O (4:1) Rt 15 min [1]

1H NMR (400 MHz, CDCl3): 0.89 (3H, br, J = 7, H-15), 1.06 (3H, br, H-14), 1.31 (1H, dd, J = 13; 13; H-6β), 1.65 (3H, br s, H-13), 1.94 (1H, dd, J = 13; 3; H-6α), 2.14 (1H, br d, J = 15, H-1α), 2.14 (1H, ddd, J = 15; 12.5; H-3β), 2.14 (1H, ddd, J = 7; 3, H-10), 2.27 (1H, br d, J = 15; 5; H-3α), 2.63 (1H, br dd, J = 15; 7; H-1β), 2.65 (1H, br ddd, J = 3; 13; 13; H-7), 2.70 (1H, ddq, J = 5; 12.5; 7, H-4), 4.72 (1H, br s, H-12b), 4.78 (1H, br s, H-12a), 4.87 (1H, br dd, J = 13; 3.5; 2, H-8), 5.35 (1H, br dd, J = 3.5; 3, H-9); 2×OMePenten (E and Z): 1.54 and 1.57 (each 3H, 2×d, H-5′, H-5″), 1.79 and 1.68 (each 3H, 2×s,...

This is a preview of subscription content, log in to check access

References

  1. 1.
    P. Gonser, J. Jakupovic, G.M. Mungali, Phytochemistry 30(3), 899 (1991)CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2013