Isoflavanones and their O-glycosides from Desmodium styracifolium

Isoflavanones and their O-glycosides from Desmodium styracifolium
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DOI:
10.1016/j.phytochem.2007.02.015
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发表时间:
2007-05-01
期刊:
影响因子:
3.8
通讯作者:
Che, Chun-Tao
Che, Chun-Tao
中科院分区:
生物学2区
文献类型:
--
作者:
Zhao, Ming;Duan, Jin-Ao;Che, Chun-Tao

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两种异黄烷酮(5,7-二羟基-2 ',3',4 '-三甲氧基-异黄烷酮和5,7-二羟基-2'-甲氧基-3 ',4'-亚甲二氧基-异黄烷酮),四种异黄烷酮O-糖苷(5,7-二羟基-2 ′,3 ′,4 ′-三甲氧基-异黄烷酮7-O-β-吡喃葡萄糖苷,5,7-二羟基-2 ′-甲氧基-3 ′,4 ′-亚甲二氧基-异黄烷酮7-O-β-吡喃葡萄糖苷,5,7-二羟基-2 ′,从广金钱草(Desmodium styracifolium)地上部分中分离得到3个化合物,其中5个化合物为4 ′-二甲氧基-异黄烷酮7-O-β-葡萄糖苷和5,7,4 ′-三羟基-2 ′,3 ′-二甲氧基-异黄烷酮7-O-β-葡萄糖苷),1个化合物为3,5,7,4 ′-四羟基-香豆色酮(3,5,7,4 ′-tetrahydroxy-coumaronochromone),沿着25个已知化合物。这是首次从天然来源中分离出异黄烷酮O-糖苷。(C)2007爱思唯尔有限公司保留所有权利。
Two isoflavanones (5,7-dihydroxy-2',3',4'-trimethoxy-isoflavanone and 5,7-dihydroxy-2'-methoxy-3',4'-methylenedioxy-isoflavanone), four isoflavanone O-glycosides (5,7-dihydroxy-2',3',4'-trimethoxy-isoflavanone 7-O-beta-glucopyranoside, 5,7-dihydroxy-2'-methoxy-3',4'-methylenedioxy-isoflavanone7-O-beta-glucopyranoside, 5,7-dihydroxy-2',4'-dimethoxy-isoflavanone 7-O-beta-glucopyranoside, and 5,7,4'-trihydroxy-2',3'-dimethoxy-isoflavanone 7-O-beta-glucopyranoside), and a coumaronochromone (3,5,7,4'-tetrahydroxy-coumaronochromone), along with 25 known compounds, were isolated from the aerial parts of Desmodium styracifolium. This is for the first time isoflavanone O-glycosides were isolated from a natural source. (C) 2007 Elsevier Ltd. All rights reserved.