Synthesis of HFO-153-10MCZZ involving catalytic coupling of HCFC-225CA or CFC-215CB

JP2025507468A5Pending Publication Date: 2026-02-27THE CHEMOURS CO FC LLC
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Patent Information

Application Number
JP2023565552
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-02-25
Filing Date
2023-02-24
Publication Date
2026-02-27

AI Technical Summary

Technical Problem

The prior art has difficulty developing new working fluids with low global warming potential (GWP) and zero ozone depletion potential (ODP) to replace fluids in traditional temperature-controlled segment applications, especially in the context of environmental sustainability and reduced greenhouse gas emissions.

Method used

Coupling reactions of 3,3-dichloro-1,1,1,2,2-pentafluoropropane (HCFC-225ca) or 1,1,1-trichloropentafluoropropane (CFC-215cb) with other chlorofluorocarbon compounds by using a specific catalyst in the liquid or gas phase to produce fluoroolefins such as 1,1,1,2,2,5,5,6,6-decafluoro-3-hexene (HFO-153-10mczz).

Benefits of technology

The preparation of fluoroolefins with low GWP and ODP is achieved, meeting the needs of environmental sustainability and temperature control segment applications, while improving process efficiency and product performance.

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Abstract

In one embodiment, a method for producing fluoroolefins includes coupling 3,3-dichloro-1,1,1,2,2-pentafluoropropane (CF3-CF2-CHCl2) in the presence of a catalyst in the liquid phase to form a composition comprising 1,1,1,2,2,5,5,6,6,6-decafluoro-3-hexene (CF3CF2CH=CHCF2CF3). In another embodiment, a method for producing fluoroolefins includes coupling 1,1,1-trichloropentafluoropropane (CF3-CF2-CCl3) in the presence of a first catalyst in the gas phase to form a composition comprising 3,4-dichloro-1,1,1,2,2,5,5,6,6,6-decafluoro-3-hexene (CF3-CF2-CCl=CCl-CF2-CF3). The method further includes coupling CF3CF2CH m Cl 3-m and chlorine (Cl2) to form CF3-CF2-CCl3. The method may further include hydrodechlorinating 3,4-dichloro-1,1,1,2,2,5,5,6,6,6-decafluoro-3-hexene with hydrogen (H2) in the presence of a second catalyst in the gas phase to form a composition comprising CF3CF2CH=CHCF2CF3 and 3-chloro-1,1,1,2,2,5,5,6,6,6-decafluoro-3-hexene (CF3CF2CCl=CHCF2CF3).
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