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中文摘要：
以氯乙酸乙酯和氮杂环化合物（1-甲基咪唑、吡啶、N-乙基哌啶、N-甲基吗啉）为原料,采用两步法合成了一类新型的酯类离子液体,对合成的12个化合物进行了元素分析,1H NMR谱和一些物理性质的测定.大多数化合物的熔点低于100 ℃,为室温离子液体.所合成离子液体的热稳定范围都比较宽,性质稳定.
英文摘要：
A series of ionic liquids containing ethyl acetate moiety on the cations were designed and synthesized, using starting material ethyl chloroacetate and N-heterocyclic compounds （1-methylimidazole, pyridine, N-ethylpiperidine and N-methyl morpholine） through two synthesis steps. All 12 synthesized com- pounds were characterized by some physical property measurement, elemental analysis and 1H NMR spectra. The melting points of the most compounds are below 100 ℃. They are room temperature ionic liquids. The relative stability of the prepared ionic liquids owes to the wide scope of their thermostability.
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