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'Naphthoquinones' in keywords Facet   section ZfN Section B:Volume 050  [X]
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1995 (1)
1Author    DavidS. Rycroft3, JosephD. Connolly3, SiegfriedH. Uneck, Uwe Himmelreich1Requires cookie*
 Title    Revised Structure of Haemoventosin  
 Abstract    The structure of the lichen pigm ent haem oventosin has been revised to 3,4,6,9-tetrahydro-5,10-dihydroxy-7-m ethoxy-3S-m ethyl-l,6,9-trioxo-l H-naphtho-[2,3-c]pyran (3), mainly on the basis of long-range <3C/<3H correlations observed in 2 D HM BC NMR experiments and long-range <5H/<5D isotope effects observed in partial deuteriation experiments with 10-0-acetylhaemoventosin; ortho-and /?öra-quinonoid structures were distinguished by means of the transacetylation inferred in the sodium dithionite reduction of lO-O-acetylhaemo-ventosin. 
  Reference    Z. Naturforsch. 50b, 1557—1563 (1995); eingegangen am 13. März 1995 
  Published    1995 
  Keywords    H aem oventosin, Naphthoquinone, O phioparm a ventosa, Lichen, 'H NMR Spectra, 13C NM R Spectra 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-1557.pdf 
 Identifier    ZNB-1995-50b-1557 
 Volume    50