PROCESS FOR PREPARATION OF 3,3,3-TRIFLUOROPROPENE

To provide a process for preparation of 3,3,3-trifluoropropene (1243zf).SOLUTION: A process for preparing 3,3,3-trifluoropropene (1243zf) comprises: (a) fluorinating CCl3CH2CH2Cl (250fb) to produce a reaction product comprising CF3CH2CH2Cl (253fb) in the liquid phase in a first reactor, using HF as...

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Main Authors LLOYD GARY, MCGUINNESS CLAIRE ELIZABETH, SKAE CLARE MARY, HODGSON EMMA JANE, GIDDIS CLIVE ROBERT, MURRAY JAMES HENRY
Format Patent
LanguageEnglish
Japanese
Published 10.09.2020
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:To provide a process for preparation of 3,3,3-trifluoropropene (1243zf).SOLUTION: A process for preparing 3,3,3-trifluoropropene (1243zf) comprises: (a) fluorinating CCl3CH2CH2Cl (250fb) to produce a reaction product comprising CF3CH2CH2Cl (253fb) in the liquid phase in a first reactor, using HF as a fluorinating agent; and (b) dehydrohalogenating 253fb to produce 1243zf in the vapor phase in the present of a catalyst in a second reactor.SELECTED DRAWING: Figure 1 【課題】３，３，３−トリフルオロプロペン（１２４３ｚｆ）の調製方法の提供。【解決手段】（ａ）フッ素化剤としてＨＦを使用して、第１の反応器においてＣＣｌ３ＣＨ２ＣＨ２Ｃｌ（２５０ｆｂ）をフッ素化して、液相のＣＦ３ＣＨ２ＣＨ２Ｃｌ（２５３ｆｂ）を含む反応生成物を生成することと、（ｂ）第２の反応器において触媒の存在下、２５３ｆｂを脱ハロゲン化水素化して、気相の１２４３ｚｆを生成することを含む、３，３，３−トリフルオロプロペン（１２４３ｚｆ）の調製方法。【選択図】図１
Bibliography:Application Number: JP20200087018