PROCESS FOR MAKING TETRAFLUOROPROPENE

PROBLEM TO BE SOLVED: To provide a process for making CFCH=CHF(HFO-1234ze) from relatively inexpensive and commercially available starting materials.SOLUTION: The present invention describes a process for making CFCH=CHF(HFO-1234ze) based on following formulas: CCl+CHCl=CHCl→CClCHClCHCl→CCl=CHCHCl,...

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Bibliographic Details
Main Authors DAVID NALEWAJEK, HARIDASAN K NAIR, ANDREW JOSEPH POSS, RAJIV RATNA SINGH
Format Patent
LanguageEnglish
Japanese
Published 30.03.2017
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:PROBLEM TO BE SOLVED: To provide a process for making CFCH=CHF(HFO-1234ze) from relatively inexpensive and commercially available starting materials.SOLUTION: The present invention describes a process for making CFCH=CHF(HFO-1234ze) based on following formulas: CCl+CHCl=CHCl→CClCHClCHCl→CCl=CHCHCl, CCl=CHCHCl+4HF→CFCHCHClF+4HCl, CFCHCHClF→CFCH=CHF+HCl or CCl+CHCl=CHCl→CClCHClCHCl, CClCHClCHCl+4HF→CFCHClCHClF+4HCl, CFCHClCHClF+Zn→CFCH=CHF+ZnCl.SELECTED DRAWING: None 【課題】比較的安価で市販されている出発材料からのＣＦ３ＣＨ＝ＣＨＦ（ＨＦＯ−１２３４ｚｅ）の作製方法の提供。【解決手段】下記式ＣＣｌ４＋ＣＨＣｌ＝ＣＨＣｌ→ＣＣｌ３ＣＨＣｌＣＨＣｌ２→ＣＣｌ２＝ＣＨＣＨＣｌ２、ＣＣｌ２＝ＣＨＣＨＣｌ２＋４ＨＦ→ＣＦ３ＣＨ２ＣＨＣｌＦ＋４ＨＣｌ、ＣＦ３ＣＨ２ＣＨＣｌＦ→ＣＦ３ＣＨ＝ＣＨＦ＋ＨＣｌ又はＣＣｌ４＋ＣＨＣｌ＝ＣＨＣｌ→ＣＣｌ３ＣＨＣｌＣＨＣｌ２、ＣＣｌ３ＣＨＣｌＣＨＣｌ２＋４ＨＦ→ＣＦ３ＣＨＣｌＣＨＣｌＦ＋４ＨＣｌ、ＣＦ３ＣＨＣｌＣＨＣｌＦ＋Ｚｎ→ＣＦ３ＣＨ＝ＣＨＦ＋ＺｎＣｌ２に基づくＣＦ３ＣＨ＝ＣＨＦ（ＨＦＯ−１２３４ｚｅ）の作製方法。【選択図】なし
Bibliography:Application Number: JP20160209404