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酸酐与伯胺在聚乙二醇400(PEG 400)中120℃反应,高收率生成N-取代酰亚胺,反应无须催化剂和其它溶剂,条件温和,时间短。PEG 400廉价、环保且可重复利用。14例收率
The anhydride reacted with primary amine at 120 ° C in polyethylene glycol 400 (PEG 400) to yield N-substituted imide in high yield without catalyst and other solvents under mild conditions and short time. PEG 400 is inexpensive, environmentally friendly and reusable. 14 cases of yield