2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-1-ol

Conditions: temp:0.00; pressure:0.00; stir:

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

Procedure: A mixture of 40 g of (pentadecafluoroheptyl)methanol, 11 g. of triethylamine, and 200 ml. of methylene chloride is stirred at -20° C. while a solution of 18 g. of trifluoromethanesulfonyl chloride in 50 ml. of methylene chloride is added. The solution is stirred for one hour at room temperature and then washed with ice-cold 10% hydrochloric acid, saturated aqueous sodium bicarbonate solution, and water; dried over anhydrous magnesium sulfate; and evaporated. The residual brown liquid is distilled to yield the product as a colorless liquid. washed with ice-cold 10% hydrochloric acid, saturated aqueous sodium bicarbonate solution, and water dried over anhydrous magnesium sulfate and evaporated The residual brown liquid is distilled

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

Procedure: In a manner similar to the that of Example B14, a mixture of 3-bromomethyl-3-methyloxetane (468 g, 2.84 mol), 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-1-ol (1032 g, 2.58 mol), tetrabutylammonium bromide (41.5 g), potassium hydroxide (208 g, 3.23 mol), and water (1680 ml) was heated under reflux for 3 hours. GLC analysis revealed complete consumption of starting materials. The reaction mixture was diluted with water, worked-up in the usual manner, and distilled under reduced pressure to give 1,085 g of 15-FOX, representing an-overall yield of 87%; bp 82° C./0.1 mm-Hg. The distilled material was >99% pure as indicated by GLC and was used in subsequent polymerization reactions. was heated under reflux for 3 hours consumption of starting materials The reaction mixture was diluted with water distilled under reduced pressure to give 1,085 g of 15-FOX, was used in subsequent polymerization reactions

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

Procedure: A dispersion of 50 weight percent sodium hydride (4.0 g, 83 mmol) in mineral oil was washed with hexanes and suspended in 200 milliliters of dimethylformamide. A solution of 30 grams of 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-1-ol (75 mmol) in 50 milliliters of dimethylformamide was added over a period of 3 hours, and the resulting mixture was stirred at room temperature for one hour. Next, a solution of 9.3 grams (77 mmol) of 3-chloromethyl-3-methyloxetane in 20 milliliters of dimethylformamide was added and the resulting mixture was heated at 75° C. for 16 hours. The mixture was cooled to room temperature and slowly poured into 1 liter of ice/water and extracted with two volumes of Freon 113. The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine, dried over magnesium sulfate, filtered, and evaporated to give 32 grams of crude product. The crude product was distilled under reduced pressure to give 26.5 grams (73%) of analytically pure 3-(2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctoxymethy)-3-methyloxetane (i.e., 15-FOX), an oil with a boiling point of 68 to 70° C./1.6 mm-Hg. The experimental analyses were: 1H NMR (CDCl3/Freon 113) δ 4.49 and 4.37 (AB, J=5.5 Hz, 4 H), 4.00 (triplet, J=13.2 Hz, 2 H), 3.70 (singlet, 2 H), and 1.32 (singlet, 3 H); 13C NMR δ 21.02, 40.33, 68.77 (triplet, J=146.2 Hz), 78.60, and 79.87 (signals from carbon bearing fluorine are not included due to complex splitting patterns and low peak intensities); 19F NMR δ −81.3 (3 F), −119.9 (2F), −122.6 (2 F), −123.3 (2 F), −123.5 (2 F), −123.9 (2 F) and −126.8 (2 F). The elemental analysis was: Calculated for C13H11F15O2: C, 32.2; H, 2.3; F, 58.9. Found: C, 32.2; H, 2.2; F, 58.3. the resulting mixture was heated at 75° C. for 16 hours The mixture was cooled to room temperature extracted with two volumes of Freon 113 The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine dried over magnesium sulfate filtered evaporated to give 32 grams of crude product The crude product was distilled under reduced pressure

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

Procedure: In a manner similar to the that of Example B14, a mixture of 3-bromomethyl-3-methyloxetane (468 g, 2.84 mol), 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-1-ol (1032 g, 2.58 mol), tetrabutylammonium bromide (41.5 g), potassium hydroxide (208 g, 3.23 mol), and water (1680 ml) was heated under reflux for 3 hours. GLC analysis revealed complete consumption of starting materials. The reaction mixture was diluted with water, worked-up in the usual manner, and distilled under reduced pressure to give 1,085 g of 15-FOX, representing an overall yield of 87%; bp 82° C./0.1 mm-Hg. The distilled material was >99% pure as indicated by GLC and was used in subsequent polymerization reactions. was heated under reflux for 3 hours consumption of starting materials The reaction mixture was diluted with water distilled under reduced pressure to give 1,085 g of 15-FOX, was used in subsequent polymerization reactions

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

Procedure: A dispersion of 50 weight percent sodium hydride (4.0 g, 83 mmol) in mineral oil was washed with hexanes and suspended in 200 milliliters of dimethylformamide. A solution of 30 grams of 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-1-ol (75 mmol) in 50 milliliters of dimethylformamide was added over a period of 3 hours, and the resulting mixture was stirred at room temperature for one hour. Next, a solution of 9.3 grams (77 mmol) of 3-chloromethyl-3-methyloxetane in 20 milliliters of dimethylformamide was added and the resulting mixture was heated at 75° C. for 16 hours. The mixture was cooled to room temperature and slowly poured into 1 liter of ice/water and extracted with two volumes of Freon 113. The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine, dried over magnesium sulfate, filtered, and evaporated to give 32 grams of crude product. The crude product was distilled under reduced pressure to give 26.5 grams (73%) of analytically pure 3-(2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctoxymethy)-3-methyloxetane (i.e., 15-FOX), an oil with a boiling point of 68 to 70° C./1.6 mm-Hg. The experimental analyses were: 1H NMR (CDCl3/Freon 113) δ 4.49 and 4.37 (AB, J=5.5 Hz, 4 H), 4.00 (triplet, J=13.2 Hz, 2 H), 3.70 (singlet, 2 H), and 1.32 (singlet, 3 H); 13C NMR δ 21.02, 40.33, 68.77 (triplet, J=146.2 Hz), 78.60, and 79.87 (signals from carbon bearing fluorine are not included due to complex splitting patterns and low peak intensities); 19F NMR δ −81.3 (3 F), −119.9 (2F), −122.6 (2 F), −123.3 (2 F), −123.5 (2 F), −123.9 (2 F) and −126.8 (2 F). The elemental analysis was: Calculated for C13H11F15O2: C, 32.2; H, 2.3; F, 58.9. Found: C, 32.2; H, 2.2; F, 58.3. the resulting mixture was heated at 75° C. for 16 hours The mixture was cooled to room temperature extracted with two volumes of Freon 113 The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine dried over magnesium sulfate filtered evaporated to give 32 grams of crude product The crude product was distilled under reduced pressure

Conditions: temp:0.00; pressure:0.00; stir:

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

Procedure: In a manner similar to the that of Example B14, a mixture of 3-bromomethyl-3-methyloxetane (468 g, 2.84 mol), 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-1-ol (1032 g, 2.58 mol), tetrabutylammonium bromide (41.5 g), potassium hydroxide (208 g, 3.23 mol), and water (1680 ml) was heated under reflux for 3 hours. GLC analysis revealed complete consumption of starting materials. The reaction mixture was diluted with water, worked-up in the usual manner, and distilled under reduced pressure to give 1,085 g of 15-FOX, representing an overall yield of 87%; bp 82° C./0.1 mm-Hg. The distilled material was >99% pure as indicated by GLC and was used in subsequent polymerization reactions. was heated under reflux for 3 hours consumption of starting materials The reaction mixture was diluted with water distilled under reduced pressure to give 1,085 g of 15-FOX, was used in subsequent polymerization reactions

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

Procedure: A dispersion of 50 weight percent sodium hydride (4.0 g, 83 mmol) in mineral oil was washed with hexanes and suspended in 200 milliliters of dimethylformamide. A solution of 30 grams of 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-l-ol (75 mmol) in 50 milliliters of dimethylformamide was added over a period of 3 hours, and the resulting mixture was stirred at room temperature for one hour. Next, a solution of 9.3 grams (77 mmol) of 3-chloromethyl-3-methyloxetane in 20 milliliters of dimethylformamide was added and the resulting mixture was heated at 75° C. for 16 hours. The mixture was cooled to room temperature and slowly poured into 1 liter of ice/water and extracted with two volumes of Freon 113. The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine, dried over magnesium sulfate, filtered, and evaporated to give 32 grams of crude product. The crude product was distilled under reduced pressure to give 26.5 grams (73%) of analytically pure 3-(2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctoxymethy)-3-methyloxetane (i.e., 15-FOX), an oil with a boiling point of 68 to 70° C./1.6 mm-Hg. The experimental analyses were: 1H NMR (CDCl3 /Freon 113) δ 8 4.49 and 4.37 (AB, J=5.5 Hz, 4 H), 4.00 (triplet, J=13.2 Hz, 2 H), 3.70 (singlet, 2 H), and 1.32 (singlet, 3 H); 13C NMR δ 21.02, 40.33, 68.77 (triplet, J=146.2 Hz), 78.60, and 79.87 (signals from carbon bearing fluorine are not included due to complex splitting patterns and low peak intensities); 19F NMR δ -81.3 (3 F), -119.9 (2 F), -122.6 (2 F), -123.3 (2 F), -123.5 (2 F), -123.9 (2 F) and -126.8 (2 F). The elemental analysis was: Calculated for C13 H11F15O2 : C, 32.2; H, 2.3; F, 58.9. Found: C, 32.2; H, 2.2; F, 58.3. the resulting mixture was heated at 75° C. for 16 hours The mixture was cooled to room temperature extracted with two volumes of Freon 113 The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine dried over magnesium sulfate filtered evaporated to give 32 grams of crude product The crude product was distilled under reduced pressure

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

Procedure: A dispersion of 50 weight percent sodium hydride (4.0 g, 83 mmol) in mineral oil was washed with hexanes and suspended in 200 milliliters of dimethylformamide. A solution of 30 grams of 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-l-ol (75 mmol) in 50 milliliters of dimethylformamide was added over a period of 3 hours, and the resulting mixture was stirred at room temperature for one hour. Next, a solution of 9.3 grams (77 mmol) of 3-chloromethyl-3-methyloxetane in 20 milliliters of dimethylformamide was added and the resulting mixture was heated at 75° C. for 16 hours. The mixture was cooled to room temperature and slowly poured into 1 liter of ice/water and extracted with two volumes of Freon 113. The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine, dried over magnesium sulfate, filtered, and evaporated to give 32 grams of crude product. The crude product was distilled under reduced pressure to give 26.5 grams (73%) of analytically pure 3-(2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctoxymethy)-3-methyloxetane (i.e., 15-FOX), an oil with a boiling point of 68 to 70° C./1.6 mm-Hg. The experimental analyses were: 1H NMR (CDCl3 /Freon 113) δ 8 4.49 and 4.37 (AB, J=5.5 Hz, 4 H), 4.00 (triplet, J=13.2 Hz, 2 H), 3.70 (singlet, 2 H), and 1.32 (singlet, 3 H); 13C NMR δ 21.02, 40.33, 68.77 (triplet, J=146.2 Hz), 78.60, and 79.87 (signals from carbon bearing fluorine are not included due to complex splitting patterns and low peak intensities); 19F NMR δ -81.3 (3 F), -119.9 (2 F), -122.6 (2 F), -123.3 (2 F), -123.5 (2 F), -123.9 (2 F) and -126.8 (2 F). The elemental analysis was: Calculated for C13 H11F15O2 : C, 32.2; H, 2.3; F, 58.9. Found: C, 32.2; H, 2.2; F, 58.3. the resulting mixture was heated at 75° C. for 16 hours The mixture was cooled to room temperature extracted with two volumes of Freon 113 The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine dried over magnesium sulfate filtered evaporated to give 32 grams of crude product The crude product was distilled under reduced pressure

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

Procedure: In a manner similar to the that of Example B14, a mixture of 3-bromomethyl-3-methyloxetane (468 g, 2.84 mol), 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-1-ol (1032 g, 2.58 mol), tetrabutylammonium bromide (41.5 g), potassium hydroxide (208 g, 3.23 mol), and water (1680 ml) was heated under reflux for 3 hours. GLC analysis revealed complete consumption of starting materials. The reaction mixture was diluted with water, worked-up in the usual manner, and distilled under reduced pressure to give 1,085 g of 15-FOX, representing an overall yield of 87%; bp 82° C./0.1 mm-Hg. The distilled material was >99% pure as indicated by GLC and was used in subsequent polymerization reactions. was heated under reflux for 3 hours consumption of starting materials The reaction mixture was diluted with water distilled under reduced pressure to give 1,085 g of 15-FOX, was used in subsequent polymerization reactions

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

Procedure: A dispersion of 50 weight percent sodium hydride (4.0 g, 83 mmol) in mineral oil was washed with hexanes and suspended in 200 milliliters of dimethylformamide. A solution of 30 grams of 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctan-1-ol (75 mmol) in 50 milliliters of dimethylformamide was added over a period of 3 hours, and the resulting mixture was stirred at room temperature for one hour. Next, a solution of 9.3 grams (77 mmol) of 3-chloromethyl-3-methyloxetane in 20 milliliters of dimethylformamide was added and the resulting mixture was heated at 75° C. for 16 hours. The mixture was cooled to room temperature and slowly poured into 1 liter of ice/water and extracted with two volumes of Freon 113. The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine, dried over magnesium sulfate, filtered, and evaporated to give 32 grams of crude product. The crude product was distilled under reduced pressure to give 26.5 grams (73%) of analytically pure 3-(2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctoxymethy)-3-methyloxetane (i.e., 15-FOX), an oil with a boiling point of 68° to 70° C./1.6mm-Hg. The experimental analyses were: 1H NMR (CDCl3 /Freon 113) δ 4.49 and 4.37 (AB, J=5.5 Hz, 4 H), 4.00 (triplet, J=13.2 Hz, 2 H), 3.70 (singlet, 2 H), and 1.32 (singlet, 3 H); 13C NMR δ 21.02, 40.33, 68.77 (triplet, J=146.2 Hz), 78.60, and 79.87 (signals from carbon bearing fluorine are not included due to complex splitting patterns and low peak intensities); 19F NMR δ -81.3 (3 F), -119.9 (2F), -122.6 (2 F), -123.3 (2 F), -123.5 (2 F) , -123.9 (2 F) and -126.8 (2 F). The elemental analysis was: Calculated for C13H11F15O2 : C, 32.2; H, 2.3; F, 58.9. Found: C, 32.2; H, 2.2; F, 58.3. the resulting mixture was heated at 75° C. for 16 hours The mixture was cooled to room temperature extracted with two volumes of Freon 113 The combined organic extracts were washed twice with water, once with 2 weight percent aqueous hydrochloric acid and once with brine dried over magnesium sulfate filtered evaporated to give 32 grams of crude product The crude product was distilled under reduced pressure