Niu Rui-xia
2011
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Journal
Journal of Daqing Petroleum Institute
Abstract
Bis(2-chloroethyl) amine was synthesized by the Vilsmeier reaction of diethanolamine(DEA) with thionyl chloride(DCSO) and dimethyl formamide(DMF),meanwhile,the DMF was used as solvent.The conversion rate of DEA was determined by acetylation catalyzed by pyridine.The effects of some reaction conditions on the conversion rate of DEA were researched,and then the melting point of bis(2-chloroethyl) amine was determined,the molecular structure of bis(2-chloroethyl) amine was characterized by FT-IR,1H-NMR.The results showed that when the mass ratio of DMF to DEA is 0.15,the molar ratio of DCSO to DEA is 2.6,after reacting 3 h at 70 ℃,the conversion rate of DEA is 96.1%,the yield of bis(2-chloroethyl) amine is 91.7%.