Natural Compounds

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

6β-Angeloyloxy-furanoeremophil-9-one

Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-0539-9_1133

CAS Registry Number: 24405-77-4 Open image in new window

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

Biological sources: Senecio umbellatus L. [1]; S. lautus Soland [2]; S. macrotis Baker [3]; S. aschenbornianus Schauer [4]; S. hypochoerideus DC. [5]; S. chionophilus [6]; Euryops annae E. Phillips, E. pectinatus (L.) Cass., E. othonnoides (DC.) B. Nord. [7]

C20H26O4: 330.1831

Mp: oil [1]

IR: 1725, 1645, 1696 (α-furanketon) [1]

MS: 330.183 [M]+ (2) (calc. for C20H26O4 330.183), 248 (100), 247(56), 230 (37), 215 (16), 201 (11), 83 (100), 55 (84) [1]

1H NMR: (CCl4): 0.85 (3H, d, J = 6.5, H-15), 0.91 (3H, s, H-14), 1.80 (3H, d, J = 1, H-13), 6.35 (1H, s, H-6), 7.26 (1H, q, J = 1, H-12); OAng: 1.91 (3H, dq, H-5′), 2.06 (3H, dq, H-4′), 6.18 (1H, qq, H-3′) [1]

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