abstract |
The invention discloses a preparation method of 1,1,1,4,4,4-hexafluoro-2-butyne. Hexachlorobutadiene is reacted with a fluoride salt in a solvent, and a gas-phase reaction product is collected by condensation. The 1,1,1,4,4,4-hexafluoro-2-butyne product is obtained. The invention has the advantages of simple process, high yield, economy and environmental protection, and easy industrialization. |