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homopterocarpin/leucemia
Il collegamento viene salvato negli appunti
4 risultati
Structures of new flavonoids and benzofuran-type stilbene and degranulation inhibitors of rat basophilic leukemia cells from the Brazilian herbal medicine Cissus sicyoides.
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Three new flavonoid glycosides (cissosides I, II, and III) and a new benzofuran-type stilbene (cissusin) were isolated from the methanolic extract of the aerial parts of Cissus sicyoides cultivated in Brazil. Their structures were elucidated on the basis of chemical and physicochemical evidence. The
Induction of apoptosis by pterocarpans from Platymiscium floribundum in HL-60 human leukemia cells.
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(+)-2,3,9-Trimethoxy-pterocarpan (1) (+)-3,9-dimethoxy-pterocarpan [(+)-homopterocarpin] (2), (+)-3-hydroxy-9-methoxy-pterocarpan [(+)-medicarpin] (3) and (+)-3,4-dihydroxy-9-methoxy-pterocarpan [(+)-vesticarpan] (4) are cytotoxic pterocarpans isolated from the native Brazilian plant Platymiscium
[A new cytotoxic isoflavane from Dalbergiae Odoriferae Lignum]
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Fourteen compounds were isolated from the ethanol extract of Dalbergiae Odoriferae Lignum by various chromatographic techniques, including column chromatographies on silica gel, Sephadex LH-20 and semi-preparative HPLC. Their structures were determined by spectroscopic techniques as
Phenolic compounds from Glycyrrhiza pallidiflora Maxim. and their cytotoxic activity.
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Twenty-one phenolic compounds (1-21) including dihydrocinnamic acid, isoflavonoids, flavonoids, coumestans, pterocarpans, chalcones, isoflavan and isoflaven, were isolated from the roots of Glycyrrhiza pallidiflora Maxim. Phloretinic acid (1), chrysin (6), 9-methoxycoumestan (8), isoglycyrol (9),
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