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1976 (5)
1Author    Ernst Luppold, Eugen Müller, Werner WinterRequires cookie*
 Title    Ring-opening of 2,5-Diphenyl-tellurophene with n-Butyl-Lithium Synthesis of 1,4-substituted Butadiene Derivatives  
  Reference    (Z. Naturforsch. 31b, 1654—1657 [1976]; eingegangen am 26. Juli 1976) 
  Published    1976 
  Keywords    ) l, 4-Diphenyl-l, 3-butadiene, 2, 5-Diphenyl-2, 4-hexadiene, 2, 5-Diphenyl-2, 4-hexadiendial, 2, 5-Diphenyl-muconic Acid, l, 2, 5, 6-Tetraphenyl-2, 4-hexadiene-l, 6-dion 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1654.pdf 
 Identifier    ZNB-1976-31b-1654 
 Volume    31 
2Author    Helga Wittmann, Reinhard HerzogRequires cookie*
 Title    Synthesen von Heterocyclen, 198 1 Zur Chemie der vicinalen Triketone, VII 2 Chinolino-benzoxazine und Chinolino-benzoxazepine aus 2.3.4-Trioxo-1.2.3.4-tetrahydro-chinolinen Syntheses of Heterocycles, 198 1 The Chemistry of Vicinal Triketones, VII 2 Quinolino-benzoxazines and Quinolino-benzoxazepines from 2,3,4-Trioxo-1,2,3,4-tetrahydro-quinolines  
  Reference    (Z. Naturforsch. 31b, 1401—1406 [1976]; eingegangen am 30. April 1976) 
  Published    1976 
  Keywords    2, 3, 4-Trioxo-l, 2, 3, 4-tetrahydro-quinoline, Arylamines, Quinolino-benzoxazines, Quinolino-benzoxazepines, l-Phenyl-l, 2, 3, 4-tetrahydro-2, 3, 4-quinolintrion-3-phenylhydrazone 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1401.pdf 
 Identifier    ZNB-1976-31b-1401 
 Volume    31 
3Author    Helga Wittmann, Hossein Taleban, Reinhard HerzogRequires cookie*
 Title    Synthesen von Heterocyclen, 199 1 Spiro-lactone aus 1.2.3-Trioxo-2.3-dihydro-phenalen sowie 2.3.4-Trioxo-1.2.3.4-tetrahydrochinolinen und Anthranilsäure The Chemistry of Vicinal Triketones, VIII 1 Spiro Lactones from l,2,3-Trioxo-2,3-dihydro-phenalene and 2,3,4-Trioxo-l,2,3,4-tetrahydro-quinolines with Anthranilic Acid  
 Abstract    l,2,3-Trioxo-2,3-dihydro-phenalene (PT) and l,2,3-trioxo-2,3,6,7-tetrahydro-l H, 5H- benzo[ij]quinolizine (TMCHi) react with anthranilic acid (AS) primarily to give the spirolactones la-lb, which are thermically rearranged to the corresponding benzoxazine carboxylic acids 2 a - 2 b . l-phenyl-2,3,4-trioxo-l,2,3,4-tetrahydro-quinoline (PHCHi) reacts with AS yielding the spirolactone 1 c, which decomposes upon heating. 
  Reference    (Z. Naturforsch. 31b, 1407—1409 [1976]; eingegangen am 5. Juli 1976) 
  Published    1976 
  Keywords    Anthranilic Acid, l, 2, 3-Trioxo-2, 3-dihydro-phenalene, 2, 3, 4-Trioxo-l, 2, 3, 4-tetrahydro-quinoline, Spirolactone, Benzoxazine Carboxylic Acid 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-1407.pdf 
 Identifier    ZNB-1976-31b-1407 
 Volume    31 
4Author    Friedrich Boberg, Rainer VossRequires cookie*
 Title    Markierte Verbindungen, XXV 1 Chloraustausch zwischen 1.2.3.3-Tetrachlor-l-propen und Antimon(III)-chlorid -das 1.2.3-Trichlorpropenylium-Ion On Labelled Compounds, XXV 1 Chlorine Exchange between 1,2,3,3-Tetrachloro-l-propene and Antimony(Ill)-chloride — the 1,2,3-Trichloropropenylium Ion  
  Reference    (Z. Naturforsch. 31b, 480—486 [1976]; eingegangen am 13. November 1975) 
  Published    1976 
  Keywords    Chlorine Exchange, 1, 2, 3, 3-Tetrachloro-l-propene, 1, 2, 3-Trichloropropenylium Ion, Ally lie Rearrangement, eis j trans-Isomerization 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0480.pdf 
 Identifier    ZNB-1976-31b-0480 
 Volume    31 
5Author    NasimH. Pirzada, LindsayA. SummersRequires cookie*
 Title    Chemical Constitution and Activity of Bipyridylium Herbicides, XI 1 A Diquaternary Salt of 2,2' -Oxydipyridine  
 Abstract    A diquaternary salt of 2,2'-oxydipyridine has been prepared using methyl fluoro-sulphonate as quaternising agent. It is unstable at physiological pH values and is reduced at a much lower potential than the bipyridylium herbicides, diquat and paraquat. 
  Reference    (Z. Naturforsch. 31b, 122—123 [1976]; received May 26 1975) 
  Published    1976 
  Keywords    Bipyridylium Salts, Herbicides, 2, 2'-Oxydipyridine 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0122.pdf 
 Identifier    ZNB-1976-31b-0122 
 Volume    31