Reactions of 2-Acetyl-3-methylquinoxaline 1,4-Dioxide and Its Derivatives

Abstract

2-Cinnamoyl-3-methylquinoxaline 1.4-dioxide(21 was inert to hydrochloric acid in refluxing ethanol.When a xylene solution of 2-acetyl-3-methylquinoxaline 1.4-dioxide(1-dioxide) - was refluxed overnight, the dioxide was reduced mainly to 1-4--