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Three New Isoflavonoids from the Aerial Parts of Ammopiptanthus mongolicus

โœ Scribed by Xiao-Ming Tian; Shi-Zhong Chen; Li Tang; Peng-Fei Tu

Publisher
John Wiley and Sons
Year
2008
Tongue
German
Weight
187 KB
Volume
91
Category
Article
ISSN
0018-019X

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โœฆ Synopsis

Abstract

Three new isoflavonoids, namely (ยฑ)โ€ammopiptanine A (1), ammopiptanine B (2), ammopiptanoside A (3), together with 13 known compounds, were isolated from the aerial parts of Ammopiptanthus mongolicus. Their structures were elucidated on the basis of detailed spectroscopic analyses and by comparison with those of related model compounds. The isoflavonoids described, except formononetin, wistin, daidzein, and calycosin, were isolated from this plant for the first time.

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## Abstract Three new arylnaphthalide lignans, 5โ€(4โ€hydroxyโ€3โ€methoxyphenyl)furo[3โ€ฒ,4โ€ฒ:โ€‰6,7]naphtho[2,3โ€__d__]โ€1,3โ€dioxolโ€6(8__H__)โ€one (**1**), 10โ€(4โ€hydroxyโ€3โ€methoxyphenyl)furo[3โ€ฒ,4โ€ฒ:โ€‰6,7]naphtho[1,2โ€__d__]โ€1,3โ€dioxolโ€9(7__H__)โ€one (**2**), and 10โ€(3,4โ€dimethoxyphenyl)โ€6โ€hydroxyfuro[3โ€ฒ,4โ€ฒ:โ€‰6,7]n