Granted Patent B2

US 12,421,182 · App. 17/794,038 · Granted Sep 23, 2025

Inventors: Viacheslav A. Petrov (Hockessin, DE); Andrew Jackson (Newark, DE); Sheng Peng (Hockessin, DE)

Assignee: THE CHEMOURS COMPANY FC, LLC

C07C17/278B01J27/12C07C17/04C07C17/25

Abstract

Claims (5)

1. A process of preparing (E)-1,1,1,4,5,5,5-heptafluoro-4-(trifluoromethyl)pent-2-ene, comprising reacting hexafluoroprop-1-ene with 1,3,3,3-tetrafluoroprop-1-ene in the presence of an acid catalyst, wherein the acid catalyst is a Lewis acid catalyst.

2. The process of claim 1 , wherein the acid catalyst is selected from SbF 5 , aluminum chlorofluoride (ACF), and aluminum chloride.

3. The process of claim 1 , wherein the acid catalyst is SbF 5 .

4. The process of claim 1 , wherein the reacting is performed at a temperature of from about −30° C. to about 100° C.

5. The process of claim 1 , wherein the reacting is performed at a pressure of from about 1 atm to about 25 atm.

Assignments (2)

Continuity (2)

References Cited (15)