2,6-Diamino-3,5-diaryl-1,4-pyrazine Derivatives as Novel Antioxidants

The coupling of arylboronic acids with 2,6-diamino-3,5-dibromo-1,4-pyrazine gave 2,6-diamino-3,5-diaryl-1,4-pyrazines

Jean-François Cavalier

2002

Scholarcy highlights

  • The coupling of arylboronic acids with 2,6-diamino-3,5-dibromo-1,4-pyrazine gave 2,6-diamino-3,5-diaryl-1,4-pyrazines
  • The reaction of 7 with methyl glyoxal in aqueous EtOH-HCl led to the N,N"-disubstituted products 8, instead of the expected bicyclic imidazolopyrazinones 1

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