Abstract:
:Manuifolin Q (1), an unusual 4-aryl-substituted isoflavan, was isolated from the roots of Maackia tenuifolia. Its absolute configuration was determined as (3R,4R)-3,4-trans-7,2'-dihydroxy-4'-methoxy-4-[(2,4-dihydroxy-5-(1,1-dimethyl-2-propenyl)]-phenyl-isoflavan, on the basis of spectroscopic analysis.
journal_name
J Asian Nat Prod Resjournal_title
Journal of Asian natural products researchauthors
Zeng JF,Tan CH,Zhu DYdoi
10.1080/1028602031000119817keywords:
subject
Has Abstractpub_date
2004-03-01 00:00:00pages
45-8issue
1eissn
1028-6020issn
1477-2213journal_volume
6pub_type
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abstract::A new phenyldihydronaphthalene-type lignan, vitexdoin F (1), along with 22 known lignan derivatives (2-23) was isolated from the seeds of Vitex negundo var. cannabifolia. Their structures were established by comprehensive 1D and 2D NMR spectroscopic analyses. The antioxidant activities of these lignans were evaluated ...
journal_title:Journal of Asian natural products research
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abstract::An ongoing phytochemical investigation of the rhizomes of Atractylodes lancea resulted in the isolation of four new C10-type polyacetylene glycosides (1-4). Their structures were elucidated on the basis of extensive spectroscopic data (UV, IR, 1D and 2D NMR, and HRESIMS). The absolute configurations of compounds 2-4 w...
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