6,7-Seco-ent-kaurane-type diterpenoids from Isodon eriocalyx var. laxiflora
β Scribed by Wang, Wei-Guang; Yan, Bing-Chao; Li, Xiao-Nian; Du, Xue; Wu, Hai-Yan; Zhan, Rui; Li, Yan; Pu, Jian-Xin; Sun, Han-Dong
- Book ID
- 127361276
- Publisher
- Elsevier Science
- Year
- 2014
- Tongue
- French
- Weight
- 909 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0040-4020
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Two novel 3,6-epoxy-6,7:8,15-seco-7,20-olide-ent-kaurane diterpenoids laxiflorin F (1) and laxiflorin G (2) have been isolated from the leaves of Isodon eriocalyx var. laxiflora. The structure elucidation of 1 and 2 was accomplished by spectroscopic methods including 2D NMR analysis. The relative st
## Abstract Two novel __ent__βabietane diterpenoids, 3__Ξ±__,20βepoxyβ6__Ξ²__βhydroxyβ1,7βdioxoβ__ent__βabietβ15(17)βenβ16βoic acid (**1**) and __ent__βabietaβ7,15(17)βdieneβ3__Ξ²__,16,18βtriol (**2**) were isolated from __Isodon eriocalyx__ var. __laxiflora.__ Their structures were determined by exte