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'1' in keywords Facet   section ZfN Section B:Volume 045  [X]
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1990 (3)
1Author    Gabriele Knörzer, Herm Ann Seyffer, W. Alter, SiebertRequires cookie*
 Title    Synthese von Diboraheterocyclen mit einer BC3B-Gruppierung Synthesis of Diboraheterocycles with a BC3B Unit  
  Reference    Z. Naturforsch. 45b, 1136—1138 (1990); eingegangen am 31. Januar 1990 
  Published    1990 
  Keywords    1, 3-Diborylpropanes, 1, 2-Diborolane, 1, 2, 6-Thiadiborinane, 1, 2, 6-Azadiborinane 
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 TEI-XML for    default:Reihe_B/45/ZNB-1990-45b-1136.pdf 
 Identifier    ZNB-1990-45b-1136 
 Volume    45 
2Author    M. Arianne Bäudler, JosefH. AhnRequires cookie*
 Title    Zur Existenz eines Triphosphacyclobutenid-Ions P3CH20 Contributions to the Chemistry of Phosphorus, 204 [1] On the Existence of a Triphosphacyclobutenide Ion P3C H 2e  
 Abstract    The structure o f the reaction product o f white phosphorus and sodium in diglyme which exhibits a low field AB2 system in the 31P {'H } N M R spectrum [4] has been reexamined. A c­ cording to the results o f a complete analysis o f its proton coupled 31P N M R spectrum (ABB'XX' system), the compound is the hitherto unknown 1,2,3-triphosphacyclopentadienide 
  Reference    Z. Naturforsch. 45b, 1139—1142 (1990); eingegangen am 9. Februar 1990 
  Published    1990 
  Keywords    Triphosphacyclobutenide Ion, 1, 2, 3-Triphosphacyclopentadienide Ion, Tetraphosphacyclopentadienide Ion, Phosphorus Heterocycles 
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 TEI-XML for    default:Reihe_B/45/ZNB-1990-45b-1139.pdf 
 Identifier    ZNB-1990-45b-1139 
 Volume    45 
3Author    Z. NaturforschRequires cookie*
 Title    Filippo Imperato  
 Abstract    A new pentaoxigenated xanthone has been iso­ lated from aerial parts o f the fern Cystopteris fra­ gilis. By spectroscopic and chemical methods this compound has been shown to be 1,6-dihydroxy-3,5,7-trimethoxyxanthone which is o f biosynthetic interest in ferns. 
  Reference    Z. Naturforsch. 45b, 1603—1604 (1990); received June 1 1990 
  Published    1990 
  Keywords    Cystopteris fragilis, Pteridophyta, Aspleniaceae, 1, 6-Dihydroxy-3, 5, 7-trimethoxyxanthone 
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 TEI-XML for    default:Reihe_B/45/ZNB-1990-45b-1603_n.pdf 
 Identifier    ZNB-1990-45b-1603_n 
 Volume    45