| 摘要 |
PROBLEM TO BE SOLVED: To provide an industrially advantageous method for producing cis-1,3,3,3-tetrafluoropropene.SOLUTION: A method includes: a step of obtaining a reaction mixture (A) including cis-1,3,3,3-tetrafluoropropene, trans-1,3,3,3-tetrafluoropropene and unreacted 1, 1, 1, 3, 3-pentafluoropropane by a dehydrofluorination reaction of 1, 1, 1, 3, 3-pentafluoropropane; a step of separating trans-1,3,3,3-tetrafluoropropene from A by distilling A, and successively obtaining a reaction mixture (B) including cis-1,3,3,3-tetrafluoropropene and 1, 1, 1, 3, 3-pentafluoropropane; and a step of obtaining cis-1,3,3,3-tetrafluoropropene from B by reacting B with a base. |
