Reaction of arylhydrazonoacetamidines with carbonyl compounds. Novel synthetic route to 2,3-dihydro-1,2,4-triazines

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• 作者：N. P. Belskaya (1)
  K. D. Gavlik (1)
  P. O. Naumenkova (1)
  P. A. Slepukhin (2)
  
  1. Ural Federal University named after the First President of Russia B. N. Yeltsin ; 19 ul. Mira ; 620002 ; Ekaterinburg ; Russian Federation
  2. I. Ya. Postovsky Institute of Organic Synthesis ; Ural Branch of the Russian Academy of Sciences ; 20 ul. S. Kovalevskoy ; 620219 ; Ekaterinburg ; Russian Federation
  
• 关键词：arylhydrazonoacetamidines ; 1 ; 2 ; 4 ; triazines ; 1 ; 2 ; 5 ; triaza ; 1 ; 3 ; 5 ; hexatriene system ; electrocyclization ; condensation
• 刊名：Russian Chemical Bulletin
• 出版年：2014
• 出版时间：July 2014
• 年：2014
• 卷：63
• 期：7
• 页码：1584-1589
• 全文大小：286 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Chemistry
  Organic Chemistry
  Inorganic Chemistry
  Russian Library of Science
  
• 出版者：Springer New York
• ISSN：1573-9171

文摘

Cyclization of arylhydrazonoacetamidines with acetals resulted in 2-aryl-5-amino-2,3-dihydro-1,2,4-triazines in the yields from moderate to good. This is a novel synthetic approach to access 1,2,4-triazine cycle proceeding apparently via tandem condensation and electro-cyclization reaction.