Natural Compounds

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

3α-Angeloyloxy-6β-senecioyloxy-10βH-furanoeremophil-9-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1374

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

Biological sources: Senecio andreuxii DC. [1]

C20H32O6: 428.2199

Mp: 213–215°C [1]

[α]D25 –113.8° (CHCl3) [1]

UV (MeOH): 218 (3.3), 276 (3.0) [1]

IR (CHCl3): 1708, 1678, 1640, 1525 [1]

EI-MS: 428 (1), 345 (1), 328 (17), 246 (13), 83 (100), 55 (61) [1]

1H NMR (80 MHz, CDC13): 0.89 (3H, d, J = 7, H-15), 1.03 (3H, s, H-14), 2.10 (3H, d, J = 1, H-13), 4.72 (1H, ddd, J = 8; 8; 4, H-3), 6.35 (1H, s, H-6), 7.29 (1H, q, J = 1, H-12), OAng: 1.85 (3H, dd, J = 1; 1, H-5′), 1.98 (3H, dq, J = 7; 1, H-4′), 6.05 (1H, qq, J = 7; 1, H-3′); OSen: 1.87 (3H, d, J = 1, H-5″), 1.94 (3H, d, J = 1, H-4″), 5.48 (1H, m, H-2″) [1]

1H NMR (80 MHz, C5D5N): 1.00 (3H, s, H-14), 1.05 (3H, d, J = 7, H-15), 4.85 (1H, ddd, J = 8; 8; 4, H-3), 6.60 (1H, s, H-6), 7.15 (3H, q, J = 1, H-12); OAng: 1.85 (3H, dd, J = 1; 1, H-5′), 2.05...

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References

  1. 1.
    B. Reyes, G. Delgado, Heterocycles 31, 1405 (1990)CrossRefGoogle Scholar

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