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'Biflavonoids' in keywords
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2000 (1)
1998 (1)
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1Author    H. Ans, D. Ietm, Z. Insm Eister, JudithW. Eyand, A.Riane Voigt, Tassilo Seeger, H. Ans, G. EigerRequires cookie*
 Title    Bi-and Triflavonoids of Representative Moss Species from Six Different Families  
 Abstract    The identity of the bi-and triflavonoids of six moss species from six different fam ilies has been proved by N M R . The individual flavonoids are: 3 ', 3"'-binaringenin, 5 ', 3"'-dihydroxy-am entoflavone, 5 ', 3"'-dihydroxyrobustaflavone, cam pylopusaurone, aulacom nium triluteolin, philonotisflavone, dicranolom in, and 2, 3-dihydrodicranolom in. 
  Reference    Z. Naturforsch. 51c, 781—7 (1996); received July 4/ 
  Published    1996 
  Keywords    Mosses, Musci, Biflavonoids, Triflavone 
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 TEI-XML for    default:Reihe_C/51/ZNC-1996-51c-0781.pdf 
 Identifier    ZNC-1996-51c-0781 
 Volume    51 
2Author    Mitsuyoshi Sakasai3, Hiroki Fukui3, Hideyuki Yamane3, Naing Aung, Satoshi Kyaw3, Tahara3bRequires cookie*
 Title    A New Class of Biflavonoids: 2'-Hydroxy genistein Dimers from the Roots of White Lupin  
 Abstract    b C REST of Japan Science and Technology Corporation. Fax: + 8 1 -1 1 -7 0 6 -4 1 8 2 . E-mail: tahara@abs.agr.hokudai.ac.jp Two novel isoflavonoid dimers presumably originating from 2'-hydroxygenistein, 5,7,4'-trihydroxycoumaranochroman-4-one-(3-*5'")-5",7",2'",4'"-tetrahydroxyisoflav-one (1, lupinal-bisone A) and 5,7,4'-trihydroxycoumaranochro-man-4-one-(3—>-6")-5",7",2"',4"'-tetrahydroxy-isoflavone (2, lupinalbisone B) were isolated from the roots of Lupinus albus L., and their structures involving relative stereochemistry were elucidated by spectroscopic methods. U sing horse radish peroxidase and 2'-hydroxygenistein (3) as the substrate revealed the for­ mation o f these dimers together with 5,7,4'-trihydroxycoumaronochromone (4, lupinalbin A). Dimerization of 3 caused a remarkable increase of antifungal activity. 
  Reference    Z. Naturforsch. 55c, 165 (2000); received November 8/Decem ber 21 1999 
  Published    2000 
  Keywords    Lupinus albus, Biflavonoids, 2'-Hydroxygenistein 
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 TEI-XML for    default:Reihe_C/55/ZNC-2000-55c-0165.pdf 
 Identifier    ZNC-2000-55c-0165 
 Volume    55 
3Author    EckhardW. Ollenweber3, Ludwig Krautb, RüdigerM. UesbRequires cookie*
 Title    External Accumulation of Biflavonoids on Gymnosperm Leaves  
 Abstract    Biflavonoids are well known to occur in many Gymnospermae. Here we report on their occurrence in epicuticular material of a num ber of species. Several compounds are charac­ terized by detailed NMR studies and FAB-MS. They are identified as amentoflavone, bilobe-tin, podocarpus-flavone A, sciadopitysin, dihydrosciadopitysin and cupressuflavone. 
  Reference    Z. Naturforsch. 53c, 946—950 (1998); received June 29 1998 
  Published    1998 
  Keywords    Gymnospermae, Leaf Exudates, Flavonoid Aglycones, Biflavonoids 
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 TEI-XML for    default:Reihe_C/53/ZNC-1998-53c-0946.pdf 
 Identifier    ZNC-1998-53c-0946 
 Volume    53