摘要/Abstract
首次实现了肟与氮氧烯丙基正离子的[3+3]环加成反应，为2-N-无取代-1，2，4-噁二嗪-5-酮类化合物的合成提供了一种有效方法.该方法具有原料易得、反应条件温和及收率高等优点.
关键词: 1,2,4-噁二嗪-5-酮, α-溴代-N-苄氧基乙酰胺, 氮氧烯丙基正离子, 肟, [3+3]环加成
The first[3+3] cycloaddition reaction of in situ-generated aza-oxyallyl cations with oximes was developed. This approach provides a simple and efficient method for the synthesis of 2-N-unsubstituted 1,2,4-oxadiazin-5-one derivatives with many merits, such as easy available regents, mild reaction conditions and high yield.
Key words: 1,2,4-oxadiazinan-5-one, α-halohydroxamate, azaoxyallyl cations, oxime, [3+3]-cycloaddition
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