通过芳基异氰酸酯与2-羟基-3-甲基-3-丁烯酸乙酯的加成环化反应，合成了8噁个取代芳基唑烷二酮衍生物，收率41%~72%。其结构经表征确认正确。%N-Aryloxazolidone derivatives were prepared in 41%~72%yield through the addition cyclization reaction of ethyl 2-hydroxy-3-methyl-3-butenenate with different aryl isocyanate. Their structures were identified by MS and 1H NMR.
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