Natural Compounds

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

3β-Angeloyloxy-6β-(2″-methylacryloyloxy)-10βH-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1364

CAS Registry Number: 84807-47-6 Open image in new window

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

Biological sources: Lopholaena segmentata (Oliv.) S. Moore [1]

C24H32O5: 400.2250

Mp: colorless gum [1]

[α]24 (λ, nm): −1° (589), −1° (578), −24° (546), −88° (436) (c 0.3, CHCl3) [1]

IR (CCl4): 1720, 1650 [1]

MS: 400.225 [M]+ (1) (C24H32O5), 314 (6), 300 (20), 231 (25), 214 (8), 83 (87), 69 (100) [1]

1H NMR (400 MHz, CDCl3): 0.98 (3H, d, J = 7, H-15), 1.05 (3H, s, H-14), 1.18 (3H, br s, H-13), 2.15 (1H, m, H-10), 2.36 (1H, br d, J = 17, H-9b), 2.87 (1H, br dd, J = 17; 6, H-9a), 5.41 (1H, ddd, J = 12; ∼4; ∼4, H-3), 6.42 (1H, br s, H-6), 7.05 (1H, br s, H-12); OAng: 1.88 (3H, dq, J = 1.3; 1.3, H-5′), 1.92 (3H, dq, J = 7; 1.3, H-4′), 6.02 (1H, qq, J = 7; 1.3, H-3′); OMeacr: 1.98 (3H, dd, J = 1.5, H-4″), 5.58 (2H, dq, J = 1.5; 1.5, H-3″a), 6.14 (1H, br s, H-3″b) [1]

References

  1. 1.
    F. Bohlmann, M. Wallmeyer, Phytochemistry 21(8), 2126 (1982)CrossRefGoogle Scholar

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