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  • We found out that some enaminones derived from benzoylacetone form by reaction with excess of various benzenediazonium salts under anhydrous conditions both expected hydrazone and azo coupled pyridazinium salt . Yield of pyridazinium salt is increased by using of diazonium-hexafluorophosphate. Structure of these salts has been studied by means of multinuclear magnetic resonance and by X-ray diffractometry.
  • We found out that some enaminones derived from benzoylacetone form by reaction with excess of various benzenediazonium salts under anhydrous conditions both expected hydrazone and azo coupled pyridazinium salt . Yield of pyridazinium salt is increased by using of diazonium-hexafluorophosphate. Structure of these salts has been studied by means of multinuclear magnetic resonance and by X-ray diffractometry. (en)
  • Zjistili jsme, že některé enaminony odvozené od benzoylacetonu tvoří reakcí s přebytkem benzendiazoniových solí za bezvodých podmínek jak očekávané hydrazony i azokopulované pyridaziniové soli. Výtěžek pyridaziniových solí se zvýší použitím diazonium hexafluorofosfátů. Struktura těchto solí byla studována s použitím multinukleárních technik NMR a rentgenostrukturní analýzou. (cs)
Title
  • Formation of pyridazinium salts by reaction of benzendiazonium salts and enaminones
  • Formation of pyridazinium salts by reaction of benzendiazonium salts and enaminones (en)
  • Tvorba pyridaziniových solí reakcí benzendiazoniových solí a enaminonů (cs)
skos:prefLabel
  • Formation of pyridazinium salts by reaction of benzendiazonium salts and enaminones
  • Formation of pyridazinium salts by reaction of benzendiazonium salts and enaminones (en)
  • Tvorba pyridaziniových solí reakcí benzendiazoniových solí a enaminonů (cs)
skos:notation
  • RIV/00216275:25310/04:00001971!RIV08-GA0-25310___
http://linked.open.../vavai/riv/strany
  • 187
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  • P(GA203/03/0356)
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  • 564718
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  • RIV/00216275:25310/04:00001971
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  • enaminones; benzenediazonium salts; pyridazinium salts; X-ray (en)
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  • [2246587B2BBB]
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  • Sopron (Hungary)
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  • XXI. European Colloquium on Heterocyclic Chemistry
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  • Šimůnek, Petr
  • Lyčka, Antonín
  • Macháček, Vladimír
  • Bertolasi, Valerio
  • Pešková, Markéta
number of pages
http://purl.org/ne...btex#hasPublisher
  • Chemical Research Center of H.A.S. and Hungarian Chemical Society
http://localhost/t...ganizacniJednotka
  • 25310
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