N-(2-chlorophenyl)piperidin-4-amine;dihydrochloride

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: DIPEA (99 mg, 0.76 mmol) was added to a stirred solution {[5-(2-methoxy-phenyl)-1H-pyrazole-3-carbonyl]-amino}-acetic acid (60 mg, 0.22 mmol) (prepared by the method used for the synthesis of Intermediate 30, starting from (2′-methoxy)acetophenone) in DMF (2.0 mL) followed by HOBt (34 mg, 0.25 mmol) and EDCI.HCl (49 mg, 0.25 mmol). After 2 minutes of stirring, (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (54 mg, 0.22 mmol) was added and stirring was continued at ambient temperature overnight. The reaction mixture was diluted with water, extracted with ethyl acetate, washed with brine and concentrated. The residue was purified washing with diethyl ether to afford 67 mg (43.5% Yield) of 5-(2-methoxy-phenyl)-1H-pyrazole-3-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide. LC/MS [M+H]+: 468.2, 98.33%. 1H NMR (300 MHz, DMSO-d6): δ13.6 (S, 1H), 8.05 (m, 1H), 7.7 (m, 1H), 7.35 (m, 1H), 7.24 (m, 1H), 7.12 (m, 2H), 7.0 (m, 2H), 6.82 (m, 1H), 4.85 (d, 1H), 4.3 (d, 1H), 4.1 (d, 2H), 3.9 (s, 3H), 3.85 (m, 1H), 3.6 (m, 1H), 3.1 (m, 1H), 2.7 (m, 1H), 1.9 (m, 2H), 1.4 (m, 2H). prepared by the method stirring was continued at ambient temperature overnight extracted with ethyl acetate washed with brine concentrated The residue was purified washing with diethyl ether

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: DIPEA (137 mg, 1.06 mmol) was added to a stirred solution {[5-(2-trifluoromethyl-phenyl)-1H-pyrazole-3-carbonyl]-amino}-acetic acid (95 mg, 0.3 mmol) (prepared by the method used for the synthesis of Intermediate 30, starting from (2′-trifluoromethyl)acetophenone) in DMF (2.0 mL) followed by HOBt (47 mg, 0.35 mmol) and EDCI.HCl (67 mg, 0.35 mmol). After 2 minutes of stirring, (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (75 mg, 0.3 mmol) was added and stirring was continued at ambient temperature overnight. The reaction mixture was diluted with water, extracted with ethyl acetate, washed with brine and concentrated under reduced pressure. The residue was purified washing with diethyl ether to afford 67 mg (43.5% Yield) of 5-(2-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide. LC/MS [M+H]+: 506.12, 97.9%, 1H NMR (300 MHz, DMSO-d6): δ13.2 (d, 1H), 8.2 (m, 1H), 7.5 (m, 5H), 7.2 (m, 2H), 6.85 (m, 1H), 6.5 (m, 2H), 4.8 (m, 1H), 4.3 (m, 1H), 4.1 (d, 2H), 4.0 (m, 1H), 3.6 (m, 1H), 3.2 (m, 1H), 2.7 (m, 1H), 1.9 (m, 2H), 1.3 (m, 2H). prepared by the method stirring was continued at ambient temperature overnight extracted with ethyl acetate washed with brine concentrated under reduced pressure The residue was purified washing with diethyl ether

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: DIPEA (137 mg, 1.06 mmol) was added to a stirred solution {[5-(2-trifluoromethyl-phenyl)-1H-pyrazole-3-carbonyl]-amino}-acetic acid (95 mg, 0.3 mmol) (prepared by the method used for the synthesis of Intermediate 30, starting from (2′-trifluoromethyl)acetophenone) in DMF (2.0 mL) followed by HOBt (47 mg, 0.35 mmol) and EDCI.HCl (67 mg, 0.35 mmol). After 2 minutes of stirring, (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (75 mg, 0.3 mmol) was added and stirring was continued at ambient temperature overnight. The reaction mixture was diluted with water, extracted with ethyl acetate, washed with brine and concentrated under reduced pressure. The residue was purified washing with diethyl ether to afford 67 mg (43.5% Yield) of 5-(2-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide. LC/MS [M+H]+: 506.12, 97.9%, 1H NMR (300 MHz, DMSO-d6): δ13.2 (d, 1H), 8.2 (m, 1H), 7.5 (m, 5H), 7.2 (m, 2H), 6.85 (m, 1H), 6.5 (m, 2H), 4.8 (m, 1H), 4.3 (m, 1H), 4.1 (d, 2H), 4.0 (m, 1H), 3.6 (m, 1H), 3.2 (m, 1H), 2.7 (m, 1H), 1.9 (m, 2H), 1.3 (m, 2H). prepared by the method stirring was continued at ambient temperature overnight extracted with ethyl acetate washed with brine concentrated under reduced pressure The residue was purified washing with diethyl ether

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of N-(5-phenyl-thiazol-2-yl)-malonamic acid (0.075 g, 0.00028 mole) in DMF (2 mL) was added DIPEA (0.11 g, 0.00085 mole), HOBt (0.038 g, 0.00028 mole) and EDCI.HCl (0.065 g, 0.00034 mol). After 2 minutes (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (0.077 g, 0.00031 mol) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water and the product was extracted with ethyl acetate. The ethyl acetate layer was dried over sodium sulfate and concentrated under reduced pressure. The residue was recrystallized from a mixture of ethyl acetate and hexane to afford 0.035 g (28%) of 3-[4-(2-chloro-phenylamino)-piperidin-1-yl]-3-oxo-N-(5-phenyl-thiazol-2-yl)-propionamide. LC-MS purity: 455.11 (M+1)+, 98.03%, 1H NMR (CDCl3): δ 11.6 (s, 1H), 7.9 (d, 2H), 7.4 (t, 3H), 7.3 (t, 2H), 7.2 (m, 2H), 7.1, 6.70 (m, 2H), 4.5 (d, 1H), 4.2 (d, 1H), 3.9 (d, 1H), 3.6 (s, 3H), 3.3 (t, 1H), 3.1 (t, 1H), 2.2 (s, 2H), 1.5 (m, 2H). the product was extracted with ethyl acetate The ethyl acetate layer was dried over sodium sulfate concentrated under reduced pressure The residue was recrystallized from a mixture of ethyl acetate and hexane

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of N-(5-phenyl-thiazol-2-yl)-malonamic acid (0.075 g, 0.00028 mole) in DMF (2 mL) was added DIPEA (0.11 g, 0.00085 mole), HOBt (0.038 g, 0.00028 mole) and EDCI.HCl (0.065 g, 0.00034 mol). After 2 minutes (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (0.077 g, 0.00031 mol) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water and the product was extracted with ethyl acetate. The ethyl acetate layer was dried over sodium sulfate and concentrated under reduced pressure. The residue was recrystallized from a mixture of ethyl acetate and hexane to afford 0.035 g (28%) of 3-[4-(2-chloro-phenylamino)-piperidin-1-yl]-3-oxo-N-(5-phenyl-thiazol-2-yl)-propionamide. LC-MS purity: 455.11 (M+1)+, 98.03%, 1H NMR (CDCl3): δ 11.6 (s, 1H), 7.9 (d, 2H), 7.4 (t, 3H), 7.3 (t, 2H), 7.2 (m, 2H), 7.1, 6.70 (m, 2H), 4.5 (d, 1H), 4.2 (d, 1H), 3.9 (d, 1H), 3.6 (s, 3H), 3.3 (t, 1H), 3.1 (t, 1H), 2.2 (s, 2H), 1.5 (m, 2H). the product was extracted with ethyl acetate The ethyl acetate layer was dried over sodium sulfate concentrated under reduced pressure The residue was recrystallized from a mixture of ethyl acetate and hexane

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of N-(6-phenyl-pyridin-3-yl)-malonamic acid (0.07 g, 0.00024 mole) in DMF (2 mL) was added, DIPEA (0.153 g, 0.00120 mole), HOBt (0.039 g, 0.00029 mole) and EDCI.HCl (0.055 g, 0.00029 mole). After 2 minutes (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (0.081 g, 0.00029 mole) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water and the product was extracted with ethyl acetate. The organic layer was washed with brine solution, dried over sodium sulfate and concentrated under reduced pressure to afford 0.082 g (77%) of 3-[4-(2-chloro-phenylamino)-piperidin-1-yl]-3-oxo-N-(6-phenyl-pyridin-3-yl)-propionamide. LC-MS purity: 449.17 (M+1)+, 98.46%, 1H NMR (DMSO-d6): δ 10.5 (s, 1H), 8.8 (s, 1H), 8.2 (dd, 1H), 8.1 (d, 2H), 8.0 (d, 1H), 7.5-7.2 (m, 2H), 7.3 (d, 1H), 7.2 (t, 1H), 6.9 (d, 1H), 6.4 (t, 1H), 4.9 (d, 1H), 4.4 (d, 1H), 4.0 (d, 1H), 3.7-3.6 (m, 3H), 3.3-3.2 (m, 1H), 2.9-2.7 (m, 1H), 2.0 (t, 2H), 1.6-1.5 (m, 1H), 1.4-1.3 (m, 1H). the product was extracted with ethyl acetate The organic layer was washed with brine solution dried over sodium sulfate concentrated under reduced pressure

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of [(5-phenylamino-pyridine-2-carbonyl)-amino]-acetic acid (0.035 g, 0.00013 mol) in DMF (1 mL) was added DIPEA (0.05 g, 0.00039 mol), HOBt (0.0209 g, 0.00015 mol) and EDCI.HCl (0.0296 g, 0.00015 mol) at ambient temperature. After 2 minutes piperidin-4-yl-(2-chloro-phenyl)-amine dihydrochloride (0.0382 g, 0.00015 mol) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water and the resulting precipitate was isolated by filtration and dried to afford 0.038 g (64%) of 5-phenylamino-pyridine-2-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide. LCMS: 464.18 (M+1)+, 92.88%, 1H NMR (DMSO-d6): δ 8.9 (s, 1H), 8.5 (t, 1H), 8.3 (d, 1H), 7.9 (d, 1H), 7.55 (dd, 1H), 7.35 (t, 2H), 7.2 (m, 4H), 7.0 (t, 1H), 6.9 (d, 1H), 6.6 (t, 1H), 4.9 (d, 1H), 4.35 (d, 1H), 4.2 (d, 2H), 3.85 (d, 1H), 3.55 (s, 1H), 3.2 (m, 2H), 2.85 (m, 1H), 1.95 (t, 2H), 1.5 (m, 1H), 1.35 (m, 1H). the resulting precipitate was isolated by filtration dried

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of [(5-phenylamino-pyridine-2-carbonyl)-amino]-acetic acid (0.035 g, 0.00013 mol) in DMF (1 mL) was added DIPEA (0.05 g, 0.00039 mol), HOBt (0.0209 g, 0.00015 mol) and EDCI.HCl (0.0296 g, 0.00015 mol) at ambient temperature. After 2 minutes piperidin-4-yl-(2-chloro-phenyl)-amine dihydrochloride (0.0382 g, 0.00015 mol) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water and the resulting precipitate was isolated by filtration and dried to afford 0.038 g (64%) of 5-phenylamino-pyridine-2-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide. LCMS: 464.18 (M+1)+, 92.88%, 1H NMR (DMSO-d6): δ 8.9 (s, 1H), 8.5 (t, 1H), 8.3 (d, 1H), 7.9 (d, 1H), 7.55 (dd, 1H), 7.35 (t, 2H), 7.2 (m, 4H), 7.0 (t, 1H), 6.9 (d, 1H), 6.6 (t, 1H), 4.9 (d, 1H), 4.35 (d, 1H), 4.2 (d, 2H), 3.85 (d, 1H), 3.55 (s, 1H), 3.2 (m, 2H), 2.85 (m, 1H), 1.95 (t, 2H), 1.5 (m, 1H), 1.35 (m, 1H). the resulting precipitate was isolated by filtration dried

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of [(6-phenylamino-pyridine-3-carbonyl)-amino]-acetic acid (0.035 g, 0.00013 mol) in DMF (1 mL) was added DIPEA (0.05 g, 0.00039 mol), HOBt (0.0209 g, 0.00015 mol) and EDCI.HCl (0.029 g, 0.00015 mol) at ambient temperature. After 2 minutes (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (0.0382 g, 0.00015 mol) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water. The resulting precipitate was isolated by filtration and dried to afford 0.051 g (85%) of N-{2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-6-phenylamino-nicotinamide. LCMS: 464.18 (M+1)+, 98.3%, 1H NMR (DMSO-d6): δ 9.4 (s, 1H), 8.7 (d, 1H), 8.4 (t, 1H), 8.0 (d, 1H), 7.7 (d, 2H), 7.3 (m, 3H), 7.15 (t, 1H), 7.0 (t, 1H), 6.85 (d, 2H), 6.4 (t, 1H), 4.9 (d, 1H), 4.35 (d, 1H), 4.1 (d, 2H), 3.9 (d, 1H), 3.6 (s, 1H), 3.2 (m, 1H), 2.8 (m, 1H), 2.0 (t, 2H), 1.5 (m, 1H), 1.4 (m, 1H). The resulting precipitate was isolated by filtration dried

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of [(6-phenylamino-pyridine-3-carbonyl)-amino]-acetic acid (0.035 g, 0.00013 mol) in DMF (1 mL) was added DIPEA (0.05 g, 0.00039 mol), HOBt (0.0209 g, 0.00015 mol) and EDCI.HCl (0.029 g, 0.00015 mol) at ambient temperature. After 2 minutes (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (0.0382 g, 0.00015 mol) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water. The resulting precipitate was isolated by filtration and dried to afford 0.051 g (85%) of N-{2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-6-phenylamino-nicotinamide. LCMS: 464.18 (M+1)+, 98.3%, 1H NMR (DMSO-d6): δ 9.4 (s, 1H), 8.7 (d, 1H), 8.4 (t, 1H), 8.0 (d, 1H), 7.7 (d, 2H), 7.3 (m, 3H), 7.15 (t, 1H), 7.0 (t, 1H), 6.85 (d, 2H), 6.4 (t, 1H), 4.9 (d, 1H), 4.35 (d, 1H), 4.1 (d, 2H), 3.9 (d, 1H), 3.6 (s, 1H), 3.2 (m, 1H), 2.8 (m, 1H), 2.0 (t, 2H), 1.5 (m, 1H), 1.4 (m, 1H). The resulting precipitate was isolated by filtration dried

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of {[5-(2-benzyloxy-phenyl)-1H-pyrazole-3-carbonyl]-amino}-acetic acid (0.15 g, 0.00039 mol) in DMF (2 mL) was added DIPEA (0.224 g, 0.00174 mol), HOBt (0.065 g, 0.00048 mol) and EDCI.HCl (0.0925 g, 0.00048 mol) at ambient temperature. After 5 minutes (2-chloro-phenyl)-piperidin-4-yl-amine dihydrochloride (0.1 g, 0.00041 mol) was added to the reaction mixture continued stirring at the same temperature for overnight. The reaction mixture was diluted with cold water, filtered the solid precipitated and dried to afford 0.205 g (98%) of 5-(2-benzyloxy-phenyl)-1H-pyrazole-3-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide. LCMS: 544.2 (M+1)+, 92.2%. filtered the solid precipitated dried

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a stirred solution of {[5-(2-benzyloxy-phenyl)-isoxazole-3-carbonyl]-amino}-acetic acid (0.15 g, 0.00039 mol) in DMF (2 mL) was added DIPEA (0.224 g, 0.00174 mol), HOBt (0.065 g, 0.000482 mol) and EDCI.HCl (0.0925 g, 0.00048 mol) at ambient temperature. After 5 minutes 4-(2-chloro-phenylamino)-piperidine dihydrochloride (0.1 g, 0.00041 mol) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water and the resulting precipitate was isolated by filtration. Purification by column chromatography using basic alumina (50% ethyl acetate in hexane) afforded 0.142 g (78%) of 5-(2-benzyloxy-phenyl)-isoxazole-3-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide. the resulting precipitate was isolated by filtration Purification by column chromatography