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'Benzofurano azocin' in keywords
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1992 (1)
1Author    Uwe Kuckländer, KrystinaK. Una, Gabriele Zerta, Wolfgang PollRequires cookie*
 Title    Untersuchung zur 6 -Hydroxyindol-Bildung bei der Nenitzescu-Reaktion, IV [1] Cyclisierung von N-(Chinonylalkyl)enaminon-Derivaten, II [2] Investigation on the F orm ation of 6 -F[ydroxyindole in the Nenitzescu Reaction, IV [1] Cyclization of N-(Quinonylalkyl)enam inone Derivatives, II [2]  
 Abstract    Quinonylmethylenaminones 5 and 6 are synthesized and cyclized to spiro com pounds 7 and 8. Quinonylpropylenaminone 15 is made in the same way. Cyclization in acetic acid yields qui-nolines 11 and 12, in trifluoroacetic acid/trifluoroacetic anhydrid diacylenamine 16 is ob­ tained. The product o f 15 in perchloric acid is benzazocine 20. The structure o f 20 is proven by X-ray analysis. The course o f the reaction is discussed. 
  Reference    Z. Naturforsch. 47b, 1403—1410 (1992); eingegangen am 17. April 1992 
  Published    1992 
  Keywords    Spirocyclization, Quinones, Enaminones, Benzofurano-azocin, Crystal Structure 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-1403.pdf 
 Identifier    ZNB-1992-47b-1403 
 Volume    47