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ent-Kaurane Diterpenoids from Isodon eriocalyx var. laxiflora

✍ Scribed by Weiguang Wang; Haiyan Wu; Xue Du; Juming Yan; Yan Li; Jianxin Pu; Handong Sun

Book ID
112060429
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
463 KB
Volume
30
Category
Article
ISSN
0256-7660

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Two novel ent-kaurane diterpenoids isola
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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

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## Abstract Two novel __ent__‐abietane diterpenoids, 3__Ξ±__,20‐epoxy‐6__Ξ²__‐hydroxy‐1,7‐dioxo‐__ent__‐abiet‐15(17)‐en‐16‐oic acid (**1**) and __ent__‐abieta‐7,15(17)‐diene‐3__Ξ²__,16,18‐triol (**2**) were isolated from __Isodon eriocalyx__ var. __laxiflora.__ Their structures were determined by exte

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