Natural Compounds

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

3β-Acetoxy-6β-angeloyloxy-10βH-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1325

CAS Registry Number: 38927-57-0 Open image in new window

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

Biological sources: Senecio pyramidatus DC. [1]; Gynoxys psilophylla Klatt [2]

C22H30O5: 374.2093

Mp: colorless oil [1]]

[α]24 (λ, nm): −58° (589), −61° (578), −71° (546), −130° (436) (c 2.1, CHCl3) [1]

IR (CCl4): 1740, 1720, 1650, 1250 [1]

MS: 374.209 [M]+ (1) (calc. for C22H30O5: 374.209), 274 (12), 214 (12), 83 (100), 55 (50), 43 (55) [1]

1H NMR (270 MHz, CDCl3): 0.95 (3H, d, J = 7, H-15), 1.04 (3H, s, H-14), 1.85 (3H, d, J = 1, H-13), 2.04 (3H, s, OAc), 2.31 (1H, br d, J = 17, H-9α), 2.87 (1H, br dd, J = 17; 5, H-9β), 5.34 (1H, ddd, J = 5; 10; 5, H-3α), 6.47 (1H, br s, H-6α), 7.04 (1H, br s, H-12); OAng: 1.93 (3H, dq, J = 1; 1, H-5′), 2.02 (3H, dq, J = 7; 1, H-4′), 6.10 (1H, qq, J = 7; 1, H-3′) [1]

References

  1. 1.
    F. Bohlmann, C. Zdero, D. Berger, A. Suwita, P. Mahanta, C. Jeffrey, Phytochemistry 18(1), 79 (1979)CrossRefGoogle Scholar
  2. 2.
    F. Bohlmann, C. Zdero, Phytochemistry 18(2), 339 (1979)CrossRefGoogle Scholar

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