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题名: STEROIDAL CONSTITUENTS FROM AMALOCALYX-YUNNANESIS
作者: HU, YJ ; SHEN, XL ; MU, QZ ; LU, Y ; ZHENG, QT
刊名: PHYTOCHEMISTRY
关键词: AMALOCALYX-YUNNANESIS ; APOCYNACEAE ; AMALOGENIN-A ; AMALOSIDE-A ; AMALOSIDE-B ; 8-ALPHA-STEROID ; D-DIGINOSIDE
英文摘要: 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).
出版日期: 1992
卷号: 31, 期号:6, 页码:2099-2102
语种: 英语
ISSN号: 0031-9422
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/14139
Appears in Collections:离退休_期刊论文

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Recommended Citation:
HU, YJ; SHEN, XL; MU, QZ; LU, Y; ZHENG, QT.STEROIDAL CONSTITUENTS FROM AMALOCALYX-YUNNANESIS,PHYTOCHEMISTRY,1992,31(6):2099-2102
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