Natural Compounds

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

6β-Angeloyloxy-1,10-epoxy-furanoeremophil-9-one (6β-Angeloyloxy-1,10α-epoxy-euryopsin)

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1142

CAS Registry Number: 55102-26-6 Open image in new window

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

Biological sources: Euryops speciosissimum DC [1]; E. othonnoides (DC.) B. Nord. [1, 2]; E. acraeus M. D. Hend., E. linifolius (L.) DC., E. thunbergii B. Nord., E. pectinatus (L.) Cass., E. speciosissimus DC., E. trilobus Harv. [2]; E. abrotanifolius DC. [2, 3]; Senecio glastifolius L.f. (Sekt. Rigidi) [4]; S. praecox DC. [5]; S. grandiflorus Berg. [6]; S. vellereus Franch. [7]; S. smithii DC. [8]; S. candollii Wedd., S. dryophyllus Meyen et Walp. [9]; S. conrathii N.E.Br. [10]

C17H24O5: 344.1624

Mp: oil [1]

IR: 1725, 1690, 1660, 1540 [1]

MS: 344.163 [M]+ (calc. for C20H24O5 344.162), 262, 261, 245, 244, 83 (100) [1]

1H NMR (CDCl3, TMS): 1.03 (3H, d, J = 7, H-15), 1.25 (3H, s, H-14), 1.89 (3H, d, J ≈ 1, H-13), 3.35 (1H, br d, J ≈ 4, H-1), 6.73 (1H, s, H-6), 7.43...

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