Natural Compounds

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

6β-Acetoxy-1,10-epoxy-furanoeremophilane (6β-Acetoxy-1,10-epoxy-euryopsin)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1106

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

Biological sources: Euryops othonnoides (DC.) B. Nord. [1, 2]; E. floribundus N.E.Br., E. multifidus DC., E. rupestris (Schltr.) var. rupestris, E. evansii Schltr., E. pectinatus (L.) Cass. × chrysanthemoides (DC.) B. Nord., E. pectinatus (L.) Cass., E. brevilobus Compton [2]; Senecio rigidus L. [3]; S. arachnoideus Phil., S. ruthenensis Maz. et Timb., S. vellereus Franch. [4]; S. smithii DC. [5]; S. algens Wedd., S. behnii Ric. et Mart., S. dryophyllus Meyen et Walp. [6]; Ligularia vorobierii Vorosch. [7]

C17H22O4: 290.1520

Mp: oil [1]

IR: 1745, 1240 [1]

MS: 290.151 [M]+ (25) (calc. for C17H22O4 290.152), 247 [M – CH3CO]+ (29), 230 [M – CH3COOH]+ (85), 201 [230 – CHO]+ (81), 43 [CH3CO]+ (100) [1]

1H NMR (CCl4, TMS): 1.08 (3H, d, J = 7, H-15), 1.15 (3H, s, H-14), 1.83 (3H, d, J ≈ 17, H-13), 2.11...

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