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1978 (1)
1975 (1)
1Author    Cr Simionescu, S. Dumitriu, V. Bulacovschi, V. I. Popa, B. SimionescuRequires cookie*
 Title    Molekulare Reaktionen in kalten Methan-Wasser-Plasmen und die Wirkung von UV-Bestrahlung Molecular Reactions in Cold Methane-Water Plasma and the Effect of UV Irradiation  
 Abstract    After passage of methane-water mixtures through the state of a cold plasma, numerous products were identified, especially aldehydes, ketones, alcohols and acids. Their concen-tration was dependent on the methane/water ratio. Irradiation with UV light during or after the process gave transformations of the above compounds to more complex combi-nations. For the formation of ketones, aldehydes, alcohols and acids a detailed mechanism is proposed. 
  Reference    Z. Naturforsch. 33b, 390—395 (1978); eingegangen am 8. April 1976 
  Published    1978 
  Keywords    Methane-Water Plasma, Aldehydes, Ketones, Alcohols, Acids 
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 TEI-XML for    default:Reihe_B/33/ZNB-1978-33b-0390.pdf 
 Identifier    ZNB-1978-33b-0390 
 Volume    33 
2Author    OskarE. Polansky, LewisRequires cookie*
 Title    Zur Kenntnis organischer Lewissäuren, 31 Die Lewissäureeigenschaft einiger Barbitursäurederivate * On Organic Lewis Acids, 31 Lewis Acid Properties of Some B arbiturates  
 Abstract    Arylidenbarbituric acids (4) and arylidendimethylbarbituric acids (5) are compounds w ith a polarized C = C-double bond, and hence are electrically neutral lewis acids. There­ fore they are able to add bases. The measured UV spectra show a characteristic dependence on the pH value. pK values are reported. 
  Reference    (Z. Naturforsch. 30b, 582—586 [1975]; eingegangen am 11. März 1975) 
  Published    1975 
  Keywords    Acid, Arylidenbarbituric Acid, Arylidendimethylbarbituric Acid, UV Spectra, pK Values 
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 TEI-XML for    default:Reihe_B/30/ZNB-1975-30b-0582.pdf 
 Identifier    ZNB-1975-30b-0582 
 Volume    30