Natural Compounds

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

6β-Angeloyloxy-3β-senecioyloxy-10βH-furanoeremophilane (3β-(3′-Methyl-2′-butenoyl)-6β-angeloyl-10β(H)-furanoeremophilane)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1387

CAS Registry Number: 63517-45-3 Open image in new window

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

Biological sources: Gynoxys sancto-antonii Cuatrec. [1]; G. psilophylla Klatt [2]; Petasites niveus Baumg. [3]

C25H34O5: 414.2406

Mp: colorless oil [1]

IR (CCl4): 1720, 1650 [1]

MS: 414.241 [M]+ (3) (calc. for C25H34O5: 414.241), 314 (12), 231 (15), 214 (7), 83 (100), 55 (12) [1]

1H NMR (270 MHz, CDCl3, TMS): 0.96 (3H, d, J = 7, H-15), 1.05 (3H, s, H-14), 1.84 (3H, d, J = 1, H-13), 2.85 (1H, dd, J = 17; 5, H-9α), 5.36 (1H, ddd, J = 10; 5; 4, H-3), 6.48 (1H, br s, H-6), 7.04 (1H, br s, H-12); OAng: 1.92 (3H, dq, J = 1, H-5′), 2.02 (3H, dq, J = 7; 1, H-4′), 6.08 (1H, qq, J = 7; 1, H-3′); OSen: 1.87 (3H, d, J = 1; 1), 2.16 (3H, d, J = 1; 1), 5.66 (1H, qq, J = 1; 1, H-2″) [1]

1H NMR (CDCl3 or C6D6, given in parenthesis, when recognizable): (1.93) (3H, d, J = 1.1, H-13),...

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References

  1. 1.
    F. Bohlmann, M. Grenz, A. Suwita, Phytochemistry 16(6), 774 (1977)CrossRefGoogle Scholar
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    F. Bohlmann, C. Zdero, Phytochemistry 18(2), 339 (1979)CrossRefGoogle Scholar
  3. 3.
    A. Guerriebo, F. Pietra, Phytochemistry 21(12), 2887 (1982)CrossRefGoogle Scholar

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