Microwave-Assisted Synthesis of Quinoxalines, Benzoxazines, and Benzothiazines Under Solvent-Free Conditions
摘要:
The addition of dialkyl acetylenedicarboxylate to o-phenylenediamine, o-aminophenol, and o-aminothiophenol under microwave it-radiation in solventless System rapidly afforded quinoxaline, benzoxazine, and benzothiazine derivatives, respectively.