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'Structure Elucidation' in keywords Facet   Publication Year 1984  [X]
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1984[X]
1Author    O. Tto, O. Lfb, Onowara Begum2, Hans GeigerbRequires cookie*
 Title    Fluorescence Properties of Hydroxy-and Methoxyflavones and the Effect of Shift Reagents  
 Abstract    The fluorescence spectra o f 42 hydroxy-and m ethoxyflavones in m ethanol solution have been investigated. The follow ing findings are considered to be useful in structure elucidation and identification o f flavonoids: (a) The maxima of the absorption and fluorescence bands give, in m ost cases, a unique combination; (b) flavones exhibit exceptionally large Stok es' shifts (6,800 to 
  Reference    Z. Naturforsch. 39b, 231 (1984); received Septem ber 23 1983 
  Published    1984 
  Keywords    Flavonoids, F luorescence, Structure Elucidation, Shift Reagents 
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 TEI-XML for    default:Reihe_B/39/ZNB-1984-39b-0231.pdf 
 Identifier    ZNB-1984-39b-0231 
 Volume    39 
2Author    H.E JRequires cookie*
 Title    A tta-ur-Rahm an*, M ehrun Nisa, and Talat Zamir  
 Abstract    A new alkaloid, "papilicine", has been isolated from the leaves of Buxus papilosa to which structure (1) has been assigned on the basis of spectroscopic studies. Buxus species have been used in the indigenous system of medicine as febrifuge, for relief of rheumatism and for the treatm ent of a num ber of other ailments. Buxus papilosa C. K. Schn., Linn. 
  Reference    (Z. Naturforsch. 39b, 127—128 [1984]; received March 23 1983) 
  Published    1984 
  Keywords    Buxus papilosa, Alkaloids, Structure Elucidation, NMR Spectra, Mass Spectra 
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 TEI-XML for    default:Reihe_B/39/ZNB-1984-39b-0127_n.pdf 
 Identifier    ZNB-1984-39b-0127_n 
 Volume    39