Russian Journal of General Chemistry

, Volume 89, Issue 6, pp 1177–1182 | Cite as

Synthesis of New Fused Pirano[4,3-b]pyridine Derivatives

  • V. V. DabaevaEmail author
  • M. R. Bagdasaryan
  • E. G. Paronikyan
  • Sh. Sh. Dashyan


A method was developed for the synthesis of pyrano[4,3-b]thieno[3,2-e]pyridine derivatives based on the reaction of 3-amino-7-ethyl-7-methyl-7,8-dihydro-5H-pyrano[4,3-b]thieno[3,2-e]pyridine-2-carboxylic acid ethyl ester with chloroacetic acid chloride, triethyl orthoformate, hydrazine hydrate, and also phenyl chloroformate. The synthesis of various new representatives of pyrano[2″,3″:5′,6′]pyrido[3′,2′:4,5]thieno[3,2-dl-pyrimidine series was carried out.


condensed pyrano[4,3-b]pyridines thieno[3,2-d]pyrirnidines 


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Copyright information

© Pleiades Publishing, Ltd 2019

Authors and Affiliations

  • V. V. Dabaeva
    • 1
    Email author
  • M. R. Bagdasaryan
    • 1
  • E. G. Paronikyan
    • 1
  • Sh. Sh. Dashyan
    • 1
  1. 1.A.L. Mndzhoyan Institute of Fine Organic Chemistry of the Scientific and Technological Center of Organic and Pharmaceutical Chemistry of the National Academy of Sciences of the Republic of ArmeniaYerevanArmenia

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