Dracaenoside A and B, new C-22 steroidal lactone glycosides from the stem of Dracaena cochinchinensis
Zheng, QA; Yang, CR
2003-12-01
发表期刊CHINESE CHEMICAL LETTERS
ISSN1001-8417
卷号14期号:12页码:1261-1264
摘要Two new C-22 steroidal lactone glycosides, named dracaenoside A and B were isolated from the methanol extract of the fresh stem of Dracaena cochinchinensis. Their structures were established as (20S)3beta,14alpha,16beta-trihydroxy pregn-5-ene-22-carboxylic acid (22,16)-lactone 3-O-alpha-L-rhamnopyranosyl (1-->2)[ alpha-L-rhamnopyranosyl (1-->4)]-beta-D-glucopyranoside and (20S)3beta, 14alpha, 16beta-trihydroxy pregn-5-ene-22-carboxylic acid (22,16)-lactone 3-O-alpha-L-rhanmopyranosyl (1-->2) [beta-D-glucopyranosyl(1-->3)]-beta-D-glucopyranoside by means of 2D NMR spectral and chemical methods. It is the first time that steroidal lactone glycosides were isolated from the genus Dracaena.
关键词Dracaena Cochinchinensis Agavaceae C-22 Steroidal Glycosides Dracaenoside a Dracaenoside b
学科领域Chemistry, Multidisciplinary
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000187579200016
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/5012
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 Resources W China, Kunming 650204, Peoples R China
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GB/T 7714
Zheng, QA,Yang, CR. Dracaenoside A and B, new C-22 steroidal lactone glycosides from the stem of Dracaena cochinchinensis[J]. CHINESE CHEMICAL LETTERS,2003,14(12):1261-1264.
APA Zheng, QA,&Yang, CR.(2003).Dracaenoside A and B, new C-22 steroidal lactone glycosides from the stem of Dracaena cochinchinensis.CHINESE CHEMICAL LETTERS,14(12),1261-1264.
MLA Zheng, QA,et al."Dracaenoside A and B, new C-22 steroidal lactone glycosides from the stem of Dracaena cochinchinensis".CHINESE CHEMICAL LETTERS 14.12(2003):1261-1264.
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