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ISOLATION AND STRUCTURES OF TWO NEW C-3/C-3″-BIFLAVANONES, NEOCHAMAEJASMIN A AND NEOCHAMAEJASMIN B
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1984
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BiosynthesisBioorganic ChemistryStellera Chamaejasme L.BiochemistryBiochemical TaxonomyMedicineNatural SciencesMedicinal FungiAbstract TwoMicrobiologyPhytochemistryPharmacologyNew C-3/c-3″-biflavanonesDrug Discovery
Abstract Two new C-3/C-3″-biflavanones, neochamaejasmin A and B have been isolated from Stellera chamaejasme L. (Thymelaeaceae) and their structures have been elucidated on the basis of spectral data and some chemical evidence. Neochamaejasmin B is the first naturally occurring C-3/C-3″-biflavanone having the cis–trans geometry at the C-2/C-3 and C-2″/C-3″ positions.