Synthesis of 3-and 2,3-substituted pyrazolo[1,5-a][1,10]phenanthrolines

Viktoriya Sannikova, Igor R. Filippov, Oleg Yu Karmatskikh, Mikhail Panfilov, Rodion V. Andreev, Aleksey Yu Vorob’ev

Research output: Contribution to journalArticlepeer-review


The reaction of N-amino-1,10-phenanthrolinium mesitylenesulfonate with acceptor-substituted alkenes in the K2CO3–DMSO system gave 3- and 2,3-substituted pyrazolo[1,5-a][1,10]phenanthrolines. A wide range of alkenes enter into this reaction; however, in the case of nitro derivatives, complex mixtures of products were formed.

Original languageEnglish
Pages (from-to)1042-1047
Number of pages6
JournalChemistry of Heterocyclic Compounds
Issue number8
Publication statusPublished - 1 Aug 2020


  • 1,10-phenanthroline
  • 1,3-dipolar cycloaddition
  • acceptor alkenes
  • N-aminophenanthrolinium cation
  • pyrazolo[1,5-a][1,10]phenanthrolines


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