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1980 (1)
1Author    Eckhard Wollenweber, VolkerH. Dietz, D. Etlef Schillo, G.Erhard SchillingRequires cookie*
 Title    A Series of Novel Flavanones from Fern Exudates  
 Abstract    The white farinose exudate on the fronds o f Cheilanthes argentea contains a series of flavanones as minor constituents. These were identified by spectroscopic methods as: 5,4'-diOH,6,7-diOMe flavanone and its 4'-OMe derivative, 5,4'-diOH,7,8-diOMe flavanone and its 4'-OMe derivative, 5,6-diOH,7,8,4'-triOMe flavanone, 5,4'-diOH, 6,7,8-triOMe flavanone and its 4'-OMe derivative. The farina o f Notholaena limitanea var. mexicana contains eriodictyol-7,4'-di-methyl ether and eriodictyol-7,3', 4'-trimethyl ether as minor components. Both compounds were also identified in the exudate of N. fendleri, together with naringenin-7-OMe and naringenin-4'-OMe. In N. lemmonii var. lemmonii trace amounts of 5-OH,7,3',4',5'-tetra-OMe flavanone were detected. Nine of these substances are novel natural flavanones. 
  Reference    Z. Naturforsch. 35c, 685—690 (1980); received June 4 1980 
  Published    1980 
  Keywords    Cheilanthes argentea, Notholaena, Polypodiaceae, Farinose Exudate, Methylated Flavanones 
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 TEI-XML for    default:Reihe_C/35/ZNC-1980-35c-0685.pdf 
 Identifier    ZNC-1980-35c-0685 
 Volume    35