1-(2,2,2-trifluoroethyl)piperidin-4-amine;hydrochloride

Conditions: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4-chloro-3-nitrobenzenesulfonamide (1.300 g), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (1.201 g), and triethylamine (2.30 mL) were added to 1,4-dioxane (50 mL) and water (5 mL) and heated at 90° C. for 16 hours. The solution was concentrated on vacuum and purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate. The solution was concentrated on vacuum purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate

Conditions: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4-chloro-3-nitrobenzenesulfonamide (1.300 g), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (1.201 g), and triethylamine (2.30 mL) were added to 1,4-dioxane (50 mL) and water (5 mL) and heated at 90° C. for 16 hours. The solution was concentrated on vacuum and purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate. The solution was concentrated on vacuum purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate

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

Procedure: 6-(3,5-Difluoro-phenyl)-nicotinic acid (50 mg, 0.21 mmol), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (48 mg, 0.22 mmol) N,N-diisopropylethylamine (0.296 mL, 1.69 mmol), HATU (101 mg, 0.26 mmol) in acetonitrile (5 mL) was shaken at room temperature for 12 h. The reaction mixture was concentrated and the crude reaction mixture purified by automated reversed phase chromatography to provide 6 mg (7%) of the title compound. 1H NMR (400 MHz, DMSO-d6) □ ppm 9.08 (1H, s), 8.47 (1H, d, J=7.0 Hz), 8.30 (1H, dd, J=8.4, 2.2 Hz), 8.19 (1H, d, J=8.1 Hz), 7.88 (2H, d, J=7.0 Hz), 7.36 (1H, t, J=10.1 Hz), 3.82 (1H, br. s.), 3.11-3.23 (2H, m), 2.95 (2H, d, J=11.0 Hz), 2.42-2.48 (2H, m), 1.76-1.87 (2H, m), 1.56-1.66 (2H, m). The reaction mixture was concentrated the crude reaction mixture purified by automated reversed phase chromatography

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

Procedure: 6-(3,5-Difluoro-phenyl)-nicotinic acid (50 mg, 0.21 mmol), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (48 mg, 0.22 mmol) N,N-diisopropylethylamine (0.296 mL, 1.69 mmol), HATU (101 mg, 0.26 mmol) in acetonitrile (5 mL) was shaken at room temperature for 12 h. The reaction mixture was concentrated and the crude reaction mixture purified by automated reversed phase chromatography to provide 6 mg (7%) of the title compound. 1H NMR (400 MHz, DMSO-d6) □ ppm 9.08 (1H, s), 8.47 (1H, d, J=7.0 Hz), 8.30 (1H, dd, J=8.4, 2.2 Hz), 8.19 (1H, d, J=8.1 Hz), 7.88 (2H, d, J=7.0 Hz), 7.36 (1H, t, J=10.1 Hz), 3.82 (1H, br. s.), 3.11-3.23 (2H, m), 2.95 (2H, d, J=11.0 Hz), 2.42-2.48 (2H, m), 1.76-1.87 (2H, m), 1.56-1.66 (2H, m). The reaction mixture was concentrated the crude reaction mixture purified by automated reversed phase chromatography

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

Procedure: The reaction of methyl 2,4-dibromobutanoate 17 with 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride 18G yielded methyl 1-(1-(2,2,2-trifluoroethyl)piperidin-4-yl)azetidine-2-carboxylate as a light brown solid (8%). MS ISP (m/e): 281.1 (100) [(M+H)]+.

Conditions: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4-chloro-3-nitrobenzenesulfonamide (1.300 g), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (1.201 g), and triethylamine (2.30 mL) were added to 1,4-dioxane (50 mL) and water (5 mL) and heated at 90° C. for 16 hours. The solution was concentrated on vacuum and purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate. The solution was concentrated on vacuum purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate

Conditions: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4-chloro-3-nitrobenzenesulfonamide (1.300 g), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (1.201 g), and triethylamine (2.30 mL) were added to 1,4-dioxane (50 mL) and water (5 mL) and heated at 90° C. for 16 hours. The solution was concentrated on vacuum and purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate. The solution was concentrated on vacuum purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate

Conditions: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4-chloro-3-nitrobenzenesulfonamide (1.300 g), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (1.201 g), and triethylamine (2.30 mL) were added to 1,4-dioxane (50 mL) and water (5 mL) and heated at 90° C. for 16 hours. The solution was concentrated on vacuum and purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate. The solution was concentrated on vacuum purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate

Conditions: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4-chloro-3-nitrobenzenesulfonamide (1.300 g), 1-(2,2,2-trifluoro ethyl)piperidin-4-amine hydrochloride (1.201 g), and triethylamine (2.30 mL) were added to 1,4-dioxane (50 mL) and water (5 mL) and heated at 90° C. for 16 hours. The solution was concentrated on vacuum and purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate. The solution was concentrated on vacuum purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate

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

Procedure: The title compound was prepared in accordance with the general method 4 described in example 16 from bis(trichloromethyl) carbonate, 1-(2,2,2-trifluoro-ethyl)-piperidin-4-ylamine hydrochloride (CAS no: 180869-49-2) and (R)—N2-indan-1-yl-quinoline-2,6-diamine; MS: m/e=484.8 (M+H+).

Conditions: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4-chloro-3-nitrobenzenesulfonamide (1.300 g), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (1.201 g), and triethylamine (2.30 mL) were added to 1,4-dioxane (50 mL) and water (5 mL) and heated at 90° C. for 16 hours. The solution was concentrated on vacuum and purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate. The solution was concentrated on vacuum purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate

Conditions: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4-chloro-3-nitrobenzenesulfonamide (1.300 g), 1-(2,2,2-trifluoroethyl)piperidin-4-amine hydrochloride (1.201 g), and triethylamine (2.30 mL) were added to 1,4-dioxane (50 mL) and water (5 mL) and heated at 90° C. for 16 hours. The solution was concentrated on vacuum and purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate. The solution was concentrated on vacuum purified by flash column chromatography on silica gel with ethyl acetate increasing to 5% methanol in ethyl acetate