2,2,3-trifluoro-3-(trifluoromethyl)oxirane

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: CF3CF2COF (b.p. -28° C.) is prepared by flowing hexafluoropropylene oxide through a stainless steel reactor tube containing active carbon carrying 3% by weight of potassium fluoride kept at 150° C. kept at 150° C.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: CF3CF2COF (b.p. -28° C.) is prepared by flowing hexafluoropropylene oxide through a stainless steel reactor tube containing active carbon carrying 3% by weight of potassium fluoride kept at 150° C. kept at 150° C.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: In the form of the present invention starting from hexafluoropropylene oxide, a vapor stream of hexafluoropropylene oxide is fed at any convenient flow rate, e.g., in the range of about 0.04 to about 0.06 g-mole/hr to a reactor maintained at a temperature in the range of about 400° to about 650° C. and containing a fluorinated catalyst (hereinafter described) for a residence time sufficient to for a vapor stream comprising hexafluoroacetone which is not isolated but forwarded directly to a heating zone of the reactor for conversion to hexafluoroisobutylene. maintained at a temperature in the range of about 400° to about 650° C. containing a fluorinated catalyst (

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: In the form of the present invention starting from hexafluoropropylene oxide, a vapor stream of hexafluoropropylene oxide is fed at any convenient flow rate, e.g., in the range of about 0.04 to about 0.06 g-mole/hr to a reactor maintained at a temperature in the range of about 400° to about 650° C. and containing a fluorinated catalyst (hereinafter described) for a residence time sufficient to for a vapor stream comprising hexafluoroacetone which is not isolated but forwarded directly to a heating zone of the reactor for conversion to hexafluoroisobutylene. maintained at a temperature in the range of about 400° to about 650° C. containing a fluorinated catalyst (

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: FSO2CF2CF2COF obtained in Example 1-6, CsF powder and diglyme are charged into an autoclave, and hexafluoropropene oxide is introduced with stirring under cooling with ice. Stirring is continued for 1 hour, and the content in the autoclave is distilled under reduced pressure to obtain FSO2CF2CF2OCF(CF3)COF. is introduced under cooling with ice Stirring the content in the autoclave is distilled under reduced pressure

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: By essentially the procedure of Examples 1 and 2, 7 g of cesium fluoride, 30 ml of tetraglyme, 11.5 g of perfluoro(α-cyanopropionyl) fluoride, 68.5 g of perfluoro(5-cyano-2-methyl-3-oxahexanoyl) fluoride, and 256 g of hexafluoropropylene oxide were reacted to give, in addition to the products of Examples 1 and 2, 24.1 g of perfluoro-11-cyano-2,5,8-trimethyl-3,6,9-trioxadodecanoyl fluoride, B.P. 106° C/100 mm.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: By essentially the procedure of Examples 1 and 2, 7 g of cesium fluoride, 30 ml of tetraglyme, 11.5 g of perfluoro(α-cyanopropionyl) fluoride, 68.5 g of perfluoro(5-cyano-2-methyl-3-oxahexanoyl) fluoride, and 256 g of hexafluoropropylene oxide were reacted to give, in addition to the products of Examples 1 and 2, 24.1 g of perfluoro-11-cyano-2,5,8-trimethyl-3,6,9-trioxadodecanoyl fluoride, B.P. 106° C/100 mm.

Conditions: temp:100.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 228 g of hexafluoropropene epoxide and 72 g of hexafluoropropene, and also 220 g of hydrogen fluoride were filled into a 1 liter capacity stainless steel autoclave without a stirring device and the mixture was heated for 20 hours at 100° C. The reaction product, which consisted of a solution of hexafluoroacetone in hydrogen fluoride, was transferred by exploiting its own vapor pressure to a 2.7 liter capacity nickel autoclave, which already contained 258 g of phenol, and the resulting mixture was heated for 8 hours at 100° C. After the hydrogen fluoride and the hexafluoropropene, which did not take part in the reaction, had been distilled off, 399 g of hexafluoro-2,2-bis-(4-hydroxyphenyl)-propane were obtained. This corresponds to a yield of 86.4% of theory. the resulting mixture was heated for 8 hours at 100° C in the reaction had been distilled off

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: CF3CF2COF (b.p. -28° C.) is prepared by flowing hexafluoropropylene oxide through a stainless steel reactor tube containing active carbon carrying 3% by weight of potassium fluoride kept at 150° C. kept at 150° C.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: In the form of the present invention starting from hexafluoropropylene oxide, a vapor stream of hexafluoropropylene oxide is fed at any convenient flow rate, e.g., in the range of about 0.04 to about 0.06 g-mole/hr to a reactor maintained at a temperature in the range of about 400° to about 650° C. and containing a fluorinated catalyst (hereinafter described) for a residence time sufficient to for a vapor stream comprising hexafluoroacetone which is not isolated but forwarded directly to a heating zone of the reactor for conversion to hexafluoroisobutylene. maintained at a temperature in the range of about 400° to about 650° C. containing a fluorinated catalyst (

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: In a 200 cc autoclave equipped with a mechanical stirrer, 5 g of cesium fluoride powder, 20 cc of ethyleneglycol dimethyl ether and 50 g of perfluoro-δ-valerolactone was charged. Thirty seven grams of hexafluoropropylene oxide was introduced intermittently into the reactor for about 2 hours with vigorously stirring at the temperature of 0° to 5° C. under a pressure of lower than 1.0 kg/cm2G. In a 200 cc autoclave equipped with a mechanical stirrer

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: In a 200 cc autoclave equipped with a mechanical stirrer, 5 g of cesium fluoride powder, 20 cc of ethyleneglycol dimethyl ether and 50 g of perfluoro-δ-valerolactone was charged. Thirty seven grams of hexafluoropropylene oxide was introduced intermittently into the reactor for about 2 hours with vigorously stirring at the temperature of 0° to 5° C. under a pressure of lower than 1.0 kg/cm2G. In a 200 cc autoclave equipped with a mechanical stirrer