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Synthesis 1989; 1989(10): 751-753
DOI: 10.1055/s-1989-27382
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A Simple Method for the Synthesis of 2,3-Bis(arylazo)quinoxalines

John K. Gallos* , Ekaterini E. Corobili
  • *Department of Chemistry, Laboratory of Organic Chemistry, Aristotelian University of Thessaloniki, Thessanoniki 54006, Greece
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Publikationsdatum:
02. Mai 2002 (online)

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The first synthesis of the novel 2,3-bis(arylazo)quinoxalines in high overall yields proceeds via reaction of 1,2-phenylenediamines with N,N′-diarylethanedihydrazonoyl dichlorides in the presence of triethylamine and oxidation of the resultant 2,3-bis(arylhydrazono)-1,2,3,4-tetrahydroquinoxalines.