Natural Compounds

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

6β-(2′-Methylacryloyloxy)-1β,10-epoxy-furanoeremophilane

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1227

CAS Registry Number: 55050-49-2 Open image in new window

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

Biological sources: Senecio rigidus L. [1]; S. praecox DC. [2]; S. grandiflorus Berg. [3]; S. arachnoides Phil., S. ruthenensis Maz. et Timb. [4]; Ligularia vorobierii Vorosch. [5]; Euryops brevipapposus M.D. Hend., E. floribundus N. E.Br., E. multifidus DC., E. oligoglossus DC. sp. oligoglossus, E. tysonii E. Phillips, E. subcarnosus DC., E. sulcatus (Thunb.) Harv [6]

C19H24O4: 316.1675

Mp: oil [1]

IR: 1715, 1640 [1]

MS: 316.168 [M]+ (calc. for C19H24O4 316.167) [1]

1H NMR (CCl4): 1.12 (3H, d, J = 6.5, H-15), 1.80 (3H, d, J = 1, H-13), 2.09 (1H, br d, J = 17, H-9α), 2.19 (3H, s, H-14), 2.98 (1H, br d, J = 3.8, H-1), 3.26 (1H, br dd, J = 17; 2, H-9β), 6.35 (1H, dd, J = 2.5; 1.3, H-6), 6.96 (1H, br s, H-12); OMeacr: 1.99 (3H, dd, H-4′), 5.56 (1H, dq, H-3′a), 6.14...

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