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Synthesis and Charaterization of 1,2-Dimethylimidazoline
Author(s): Xu, Wenqing, Nie, Wanli, Borzov Maxim V., Ma, Bingfeng
Pages: 802-
805
Year: 2009
Issue:
5
Journal: Chinese Journal of Organic Chemistry
Keyword: N-甲基-N; N'-二乙酰基乙二胺; 成环反应; 1; 2-二甲基咪唑啉; 水解;
Abstract: 对1,2-二甲基咪唑啉的合成进行了详细研究,以甲胺水溶液和2-溴乙胺氢溴酸盐(1)为原料进行反应,在两种原料物质的量之比为5:1,缓缓回流12 h的条件下,得到N-甲基乙二胺(2),N-甲基乙二胺经过乙酸化得到N-甲基-N,N'-二乙酰基乙二胺(3),然后,N-甲基-N,N'-二乙酰基乙二胺和氧化钙在高温下关环得到1,2.二甲基眯唑啉(4),并对所得到的产物1,2-二甲基咪唑啉经元素分析,1H NMR,IR和GC-MS得到了表征.
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