2H-3,1-Benzoxazine-2,4(1H)-dione and its N-methyl analogue react with alkylidenephosphoranes to give substituted quinolines and benzazepines as well as indanone and furan derivatives. Reaction mechanisms to explain the formation of products obtained are outlined.
2H-3,1-苯并恶嗪-2,4(1H)-二酮及其 N-甲基类似物与亚烷基膦发生反应,生成取代的
喹啉和苯并氮杂卓以及
茚酮和
呋喃衍
生物。概述了所获产物形成的反应机理。