Dracaenogenins A and B, new spirostanols from the red resin of Dyacaena cochinchinensis
Zheng, QA; Li, HZ; Zhang, YJ; Yang, CR
2006-02-01
发表期刊STEROIDS
ISSN0039-128X
卷号71期号:2页码:160-164
摘要A 12(13 -> 14)abeospirostanol dracaenogenin A (1) and a spirostanol dracaenogenin B (2) were isolated from Chinese dragon's blood, the red resin of Dracaena cochinchinensis (Agavaceae). Their structures were established as (14S,25R)12(13 -> 14)abeospirosta-5,13(18)diene-1 beta,3 beta,15 alpha-triol (1) and (2SR) spirost-5-ene-1 beta,3 beta,14 alpha,15 alpha-tetrol (2) by means of spectroscopic analysis, especially by 2D NMR spectra, and X-ray crystallographic analysis. Dracaenogenin A (1) is the first example of a 12(13 -> 14)abeospirostane spirostanoid found in nature. Its biogenesis from ruscogenin (3) through namogenin (4) and 2 was tentatively proposed. (c) 2005 Elsevier Inc. All rights reserved.
关键词Dracaena Cochinchinensis Agavaceae Dracaenogenins a And b 12(13 -> 14)Abeospirostane Spirostanol X-ray
收录类别SCI ; IC
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/1625
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resource W China, Kunming 650204, Peoples R China
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Zheng, QA,Li, HZ,Zhang, YJ,et al. Dracaenogenins A and B, new spirostanols from the red resin of Dyacaena cochinchinensis[J]. STEROIDS,2006,71(2):160-164.
APA Zheng, QA,Li, HZ,Zhang, YJ,&Yang, CR.(2006).Dracaenogenins A and B, new spirostanols from the red resin of Dyacaena cochinchinensis.STEROIDS,71(2),160-164.
MLA Zheng, QA,et al."Dracaenogenins A and B, new spirostanols from the red resin of Dyacaena cochinchinensis".STEROIDS 71.2(2006):160-164.
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