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Chemistry of Heterocyclic Compounds

, Volume 19, Issue 3, pp 314–318 | Cite as

Reaction of 1-aminobenzimidazoles with β-diketones. Synthesis of pyridazino[1,6-a]benzimidazoles

  • V. V. Kuz'menko
  • V. N. Komissarov
  • A. M. Simonov
Article

Abstract

The action of acetyl- and benzoylacetone on 1-aminobenzimidazoles in the presence of catalytic amounts of zinc chloride was used to synthesize 1-ylidene derivatives, which at higher temperatures undergo thermal cyclization to 2,4-disubstituted pyridazino[1,6-a]benzimidazoles.

Keywords

Chloride Zinc Organic Chemistry Acetyl Thermal Cyclization 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • V. V. Kuz'menko
    • 1
  • V. N. Komissarov
    • 1
  • A. M. Simonov
    • 1
  1. 1.Scientific-Research Institute of Physical and Organic Chemistry at Rostov State UniversityRostov-on-Don

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