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| Synthesis of Ethyl trifluoromethanesulfonate |
| XU Xiao-qiang1, ZHAO Shi-yong1, WEN Li-xin1, HE Yong-gang1, ZHANG Suo-qing2 |
| 1.Zhangjiagang Guotai-Huarong New Chemical Materials Corporation Ltd., Zhangjiagang 215634,China; 2.NCPC Hebei Huamin Pharmaceutical Corporation Ltd., Shijiazhang 052165，China |
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Abstract Ethyl trifluoromethanesulfonate was synthesized by using diethyl sulfate and trifluoromethanesulfonic acid as raw materials. The high purity product could be obtained by distillation.The process was simple and no side effects.The product purity was up to 99.5%, the yield was up to 90%.
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