ent-Abietane and ent-Labdane Diterpenoids from Isodon parvifolius.
✍ Scribed by Li-Mei Li; Sheng-Xiong Huang; Li-Yan Peng; Guo-You Li; Wei-Lie Xiao; Yan Zhou; Quan-Bin Han; Li-Sheng Ding; Han-Dong Sun
- Publisher
- John Wiley and Sons
- Year
- 2006
- Weight
- 14 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0931-7597
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract The tow novel __ent__‐abietane diterpenoids **1** and **2**, named xerophilusins R and S, respectively (=(11__β__)‐6,11‐dihydroxy‐7,20‐dioxo‐__ent__‐abieta‐5,8(14),15(17)‐trien‐16‐oic acid __δ__‐lactone and (11__β__,15__S__)‐6,11,17‐trihydroxy‐7,20‐dioxo‐__ent__‐abieta‐5,8(14)‐dien‐16‐o
## Abstract Two novel __ent__‐abietane diterpenoids, 3__α__,20‐epoxy‐6__β__‐hydroxy‐1,7‐dioxo‐__ent__‐abiet‐15(17)‐en‐16‐oic acid (**1**) and __ent__‐abieta‐7,15(17)‐diene‐3__β__,16,18‐triol (**2**) were isolated from __Isodon eriocalyx__ var. __laxiflora.__ Their structures were determined by exte
## Abstract Two new 6,7‐seco‐__ent__‐kaurane diterpenoids, isojaponins A (**1**) and B (**2**), together with 18 known __ent__‐kaurane diterpenoids were isolated from the aerial parts of __Isodon japonicus.__ The structures of the two new compounds were elucidated by extensive 1D‐ and 2D‐NMR spectr