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STEROIDAL CONSTITUENTS FROM AMALOCALYX-YUNNANESIS | |
HU, YJ ; SHEN, XL ; MU, QZ ; LU, Y ; ZHENG, QT | |
1992 | |
发表期刊 | PHYTOCHEMISTRY |
ISSN | 0031-9422 |
卷号 | 31期号:6页码:2099-2102 |
摘要 | Three steroidal constituents having the rare cis-B/C ring junctions (8-alpha-OH, 9-alpha-H), named amalogenin A, amaloside A and amaloside B, were isolated from the vine of Amalocalyx yunnanesis. The structures were deduced by precise NMR studies and confirmed by X-ray diffraction for amaloside A. The structures were shown to be 3-beta,8-alpha-dihydroxy-8-alpha,9-alpha,14-beta,17-beta,20(R)-pregn-5-ene-14,20-epoxy-13-carboxylic-20-lactone (amalogenin A) amalogenin A 3-O-beta-D-diginopyranoside (amaloside A) and amalogenin A 3-O-beta-D-glucopyranosyl(1-4)-beta-D-diginopyranoside (amaloside B). |
关键词 | Amalocalyx-yunnanesis Apocynaceae Amalogenin-a Amaloside-a Amaloside-b 8-alpha-steroid D-diginoside |
学科领域 | Biochemistry & Molecular Biology ; Plant Sciences |
收录类别 | sci |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.kib.ac.cn/handle/151853/14139 |
专题 | 离退休 |
推荐引用方式 GB/T 7714 | HU, YJ,SHEN, XL,MU, QZ,et al. STEROIDAL CONSTITUENTS FROM AMALOCALYX-YUNNANESIS[J]. PHYTOCHEMISTRY,1992,31(6):2099-2102. |
APA | HU, YJ,SHEN, XL,MU, QZ,LU, Y,&ZHENG, QT.(1992).STEROIDAL CONSTITUENTS FROM AMALOCALYX-YUNNANESIS.PHYTOCHEMISTRY,31(6),2099-2102. |
MLA | HU, YJ,et al."STEROIDAL CONSTITUENTS FROM AMALOCALYX-YUNNANESIS".PHYTOCHEMISTRY 31.6(1992):2099-2102. |
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