Russian Journal of General Chemistry

, Volume 88, Issue 4, pp 780–788 | Cite as

An Efficient Microwave-Assisted Synthesis of Novel 2-{4-[(3-Aryl-1,8-naphthyridin-2-yl)amino]phenyl}-1H-benzo[de]isoquinoline-1,3(2H)-diones and Their Antimicrobial Activity

  • B. Sakram
  • D. Ravi
  • K. Ashok
  • S. Rambabu
  • B. Sonyanaik
  • A. Kurumanna


The Buchwald–Hartwig amination reaction between 2-chloro-3-aryl-1,8-naphthyridines and 2-(4-aminophenyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione in the presence of the catalytic system Pd(PPh3)4 and the base KO-t-Bu in toluene was studied. The reaction was initiated by microwave irradiation. Highly efficient synthesis has been developed for 2-{4-[(3-aryl-1,8-naphthyridin-2-yl)amino]phenyl}-1H-benzo[de]isoquinoline-1,3(2H)-diones. Structures of the synthesized compounds were evaluated by IR, 1H and 13C NMR spectroscopy. All products were tested for antimicrobial activity against Escheria coli, Bacillus subtilis, Klebsiella pneumoniae, and Staphylococcus aureus.


Antimicrobial activity C–N bond formation microwave irradiation molecular docking 1,8-naphthyridine Pd(PPh3)4 catalyst 


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The authors are thankful to the Directors, CFRDOU, IICT, Hyderabad for providing IR, 1H, and 13C NMR, and mass spectral and analytical data. One of the author (B. Sakram) expresses thanks to the University Grant Commission, New-Delhi, India, for the financial support.


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • B. Sakram
    • 1
  • D. Ravi
    • 1
  • K. Ashok
    • 1
  • S. Rambabu
    • 1
  • B. Sonyanaik
    • 1
  • A. Kurumanna
    • 1
  1. 1.Department of ChemistryOsmania UniversityHyderabadIndia

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