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BRODIOSIDE B, A NOVEL (20R,22S)-SPIROSTANOL TETRASACCHARIDE FROM BRODIAEA-CALIFORNICA TUBERS

被引：4
作者：
NAKAMURA, O
MIMAKI, Y
SASHIDA, Y
NIKAIDO, T
OHMOTO, T
机构：
[1] TOKYO COLL PHARM, HACHIOJI, TOKYO 19203, JAPAN
[2] TOHO UNIV, FAC PHARMACEUT SCI, FUNABASHI, CHIBA 274, JAPAN
来源：
CHEMISTRY LETTERS | 1994年 / 04期
关键词：
D O I：
10.1246/cl.1994.805
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel (20R,22S)-spirostanol tetrasaccharide, named brodioside B, was isolated from Brodiaea californica together with a new (25S)-ruscogenin tetrasaccharide, named brodioside A. Their structures were determined by extensive 2D NMR analysis and hydrolysis. Brodiosides A and B were active as a cyclic AMP phosphodiesterase inhibitor.
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页码：805 / 808
页数：4
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