| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5216097 | Tetrahedron | 2014 | 5 Pages |
Abstract
Four new eremophilane type sesquiterpenoids, a new bakkane type sesquiterpenoid, and a new secoeremophilane type sesquiterpenoid were isolated from Ligularia brassicoides Hand.-Mass. (Asteraceae) collected in China, and were an epoxy lactone derived from 6-acyloxyeuryopsin 1, 6-acyloxy-9-oxoeuryopsin 2, 6-acyloxy-9-oxofuranoeremophilane 3, 6-acyloxyeuryopsin 4, 6-acyloxy bakkane type epoxy lactone 5, and secovirgaurenol 6-O-(2′-hydroxymethyl)acrylate (6), respectively. All but one had a 2′-hydroxymethylacryloyloxy group at C-6. This is the first study to describe the chemical constituents of this species.
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