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'Isoflavone' in keywords Facet   section ZfN Section C  [X]
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1992 (1)
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1976 (1)
1Author    JohnL. InghamRequires cookie*
 Title    Induced Isoflavonoids from Fungus-Infected Stems of Pigeon Pea ( Cajanus cajan)  
 Abstract    Four antifungal isoflavones [7-hydroxy-4'-methoxy-(l) ; 5,7,4'-trihydroxy-(2) ; 5,7,2',4'-tetra-hydroxy-(3) ; 5,2',4'-trihydroxy-7-methoxy-(4) ] and one isoflavanone [ (5,2'-dihydroxy-7,4'-dimeth-oxy-(7)] have been isolated from the fungus-infected stems of C ajanus cajan . A sixth compound has been provisionally identified as 5,2'-dihydroxy-7,4'-dimethoxyisoflavone (5). The structure of 5,2'-dihydroxy-7,4'-dimethoxyisoflavanone (cajanol) was confirmed by synthesis from ferreirin (S^^'-trihydroxy^'-methoxyisoflavanone). 
  Reference    (Z. Naturforsch. 31c, 504 [1976]; received August 9 1976) 
  Published    1976 
  Keywords    Leguminosae, Cajanus, Isoflavone, Isoflavanone, Phytoalexin 
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 TEI-XML for    default:Reihe_C/31/ZNC-1976-31c-0504.pdf 
 Identifier    ZNC-1976-31c-0504 
 Volume    31 
2Author    Satoshi Tahara, Seiji Shibaki, JohnL. Ingham, Junya MizutaniRequires cookie*
 Title    Further Isoflavonoids from White Lupin Roots  
 Abstract    Further investigation o f the isoflavonoids in white lupin roots has revealed a new coum a­ ronochromone with a 2-hydroxy-3-methyl-3-butenyl side chain (lupinalbin G), three new pyrano-isoflavones (lupinisoflavones K and L, and allolicoisoflavone B) and two new di-hydrofurano-isoflavones each with a 2,3-dihydroxy-3-m ethylbutyl substituent (lupinisofla­ vones M and N). The biogenetic pathways for these and other lupin isoflavones are briefly discussed. 
  Reference    Z. Naturforsch. 45c, 147 (1990); received September 27 1989 
  Published    1990 
  Keywords    Leguminosae, Lupinus, Isoflavonoids, Isoflavone, Coumaronochromone 
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 TEI-XML for    default:Reihe_C/45/ZNC-1990-45c-0147.pdf 
 Identifier    ZNC-1990-45c-0147 
 Volume    45 
3Author    TakashiH. Akam Atsuka, Kenji Shinkai, Hiroshi Noguchi, Y. Utaka Ebizuka, Ushio SankawaRequires cookie*
 Title    Isoflavone Dimers from Yeast Extract-Treated Cell Suspension Cultures of Pueraria lobata  
 Abstract    Tw o new isoflavone dimers, kudzuisoflavone A and B have been isolated from yeast extract-treated cell suspension cultures o f Pueraria lobata (Leguminosae). Their structures were char­ acterized by spectral data, and they were considered to be formed by phenol oxidative coupling o f two isoflavone moieties through C —C ortho-ortho and ortho-para couplings, respectively. 
  Reference    Z. Naturforsch. 47c, 177—182 (1992); received June 13/September 16 1991 
  Published    1992 
  Keywords    Isoflavone, Pueraria lobata, Dimer, Lignin, Phenol Oxidative Coupling 
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 TEI-XML for    default:Reihe_C/47/ZNC-1992-47c-0177.pdf 
 Identifier    ZNC-1992-47c-0177 
 Volume    47 
4Author    Ulrike Willeke, Wolfgang BarzRequires cookie*
 Title    Degradation of the Isoflavone Biochanin A by Fusarium javanicum  
 Abstract    After a lag-phase of 1 h a mycelial suspension of Fusarium javanicum completely degraded 5,7-dihydroxy-4'-methoxyisoflavone (biochanin A) to a series o f transiently accumulating catabolites. The compounds were elucidated by spectroscopic techniques and are arranged in the first known degradative pathway for an isoflavone: biochanin A -* dihydrobiochanin A -* 3-(/?-methoxyphenyl)-4,6-diketo-5,6-dihydro-4H-pyran -* />-methoxyphenylacetic acid -*■ p-hy-droxyphenylacetic acid -*■ 3,4-dihydroxyphenylacetic acid -*■ C 0 2. The carbon atoms o f bio­ chanin A not accounted for by this sequence are discussed in relation to microbial flavonoid pathways. 
  Reference    Z. Naturforsch. 37c, 861—8 (1982); received May 28 1982 
  Published    1982 
  Keywords    Isoflavone, Biochanin A, Dihydrobiochanin A, Phenylacetic acids, Fusarium javanicum 
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 TEI-XML for    default:Reihe_C/37/ZNC-1982-37c-0861.pdf 
 Identifier    ZNC-1982-37c-0861 
 Volume    37