摘要
,3-Disubstituted quinoxalines were synthesized from α-acetylthioformanilide and ophenylenediamine. Further studies sliowed that there existed competitive re- actions. One was a condensation reaction which produced substituted quinoxaline and the other was a substitution reaction which produced substituted quinoxaline-2- thione.
,3-Disubstituted quinoxalines were synthesized from α-acetylthioformanilide and ophenylenediamine. Further studies sliowed that there existed competitive re- actions. One was a condensation reaction which produced substituted quinoxaline and the other was a substitution reaction which produced substituted quinoxaline-2- thione.