Methods Etiracetam was synthesized from 2 - pyrrolidone by N - alkylation and aminolysis.

方法 2- 吡咯烷酮经N - 烷基化、氨解反应合成乙拉西坦.

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The N - methyl - 2 - pyrrolidone is chosen as polycondensation media and toluene as carrier of water.

选择N - 甲基 -2- 吡咯烷酮为反应介质,甲苯为带水剂.

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