3-morpholin-4-ylpropylthiourea

Conditions: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 2-chloro-1-[1-(4-chloro-phenyl)-cyclohexyl]-ethanone (191.5 mg, 0.71 mmol) and sodium iodide (105.8 mg, 0.71 mmol) in acetone (5 mL) was stirred at room temperature for 10 min. Next, 1-(3-morpholinopropyl)-2-thiourea (143.6 mg, 0.71 mmol) was added. The resulting mixture was heated at 50° C. overnight. After the mixture was allowed to cool to room temperature, it was diluted with 5% sodium hydrogen carbonate in water and then extracted with ethyl acetate (3×20 mL). The extracts were combined, and dried over anhydrous sodium sulfate, filtered and concentrated to give an oil. The crude was purified by column chromatography on silica gel using dichloromethane/2 N ammonia in ethanol (95:5) to give {4-[1-(4-chloro-phenyl)-cyclohexyl]-thiazol-2-yl}-(3-morpholin-4-yl-propyl)-amine, 94, as an oil (187.1 mg, 63%). 1H (CDCl3, 300 MHz) δ 7.31-7.21 (m, 4H), 6.01 (s, 1H), 5.93 (s, 1H), 3.70-1.52 (m, 24H) ppm;13C (C6D6, 75 MHz) δ 23.5, 25.5, 26.9, 36.7, 45.7, 46.4, 54.2, 57.7, 67.4, 101.3, 128.8, 129.4, 132.0, 146.8, 160.1, 169.5 ppm. to cool to room temperature extracted with ethyl acetate (3×20 mL) dried over anhydrous sodium sulfate filtered concentrated to give an oil The crude was purified by column chromatography on silica gel

Conditions: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 2-chloro-1-[1-(4-chloro-phenyl)-cyclohexyl]-ethanone (191.5 mg, 0.71 mmol) and sodium iodide (105.8 mg, 0.71 mmol) in acetone (5 mL) was stirred at room temperature for 10 min. Next, 1-(3-morpholinopropyl)-2-thiourea (143.6 mg, 0.71 mmol) was added. The resulting mixture was heated at 50° C. overnight. After the mixture was allowed to cool to room temperature, it was diluted with 5% sodium hydrogen carbonate in water and then extracted with ethyl acetate (3×20 mL). The extracts were combined, and dried over anhydrous sodium sulfate, filtered and concentrated to give an oil. The crude was purified by column chromatography on silica gel using dichloromethane/2 N ammonia in ethanol (95:5) to give {4-[1-(4-chloro-phenyl)-cyclohexyl]-thiazol-2-yl}-(3-morpholin-4-yl-propyl)-amine, 94, as an oil (187.1 mg, 63%). 1H (CDCl3, 300 MHz) δ 7.31–7.21 (m, 4H), 6.01 (s, 1H), 5.93 (s, 1H), 3.70–1.52 (m, 24H) ppm; 13C(C6D6, 75 MHz) δ 23.5, 25.5, 26.9, 36.7, 45.7, 46.4, 54.2, 57.7, 67.4, 101.3, 128.8, 129.4, 132.0, 146.8, 160.1, 169.5 ppm. to cool to room temperature extracted with ethyl acetate (3×20 mL) dried over anhydrous sodium sulfate filtered concentrated to give an oil The crude was purified by column chromatography on silica gel

Conditions: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 2-chloro-1-[1-(4-chloro-phenyl)-cyclohexyl]-ethanone (191.5 mg, 0.71 mmol) and sodium iodide (105.8 mg, 0.71 mmol) in acetone (5 mL) was stirred at room temperature for 10 min. Next, 1-(3-morpholinopropyl)-2-thiourea (143.6 mg, 0.71 mmol) was added. The resulting mixture was heated at 50° C. overnight. After the mixture was allowed to cool to room temperature, it was diluted with 5% sodium hydrogen carbonate in water and then extracted with ethyl acetate (3×20 mL). The extracts were combined, and dried over anhydrous sodium sulfate, filtered and concentrated to give an oil. The crude was purified by column chromatography on silica gel using dichloromethane/2 N ammonia in ethanol (95:5) to give {4-[1-(4-chloro-phenyl)-cyclohexyl]-thiazol-2-yl}-(3-morpholin-4-yl-propyl)-amine, 94, as an oil (187.1 mg, 63%). 1H (CDCl3, 300 MHz) δ 7.31-7.21 (m, 4H), 6.01 (s, 1H), 5.93 (s, 1H), 3.70-1.52 (m, 24H) ppm;13C (C6D6, 75 MHz) δ 23.5, 25.5, 26.9, 36.7, 45.7, 46.4, 54.2, 57.7, 67.4, 101.3, 128.8, 129.4, 132.0, 146.8, 160.1, 169.5 ppm. to cool to room temperature extracted with ethyl acetate (3×20 mL) dried over anhydrous sodium sulfate filtered concentrated to give an oil The crude was purified by column chromatography on silica gel

Conditions: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 2-chloro-1-[1-(4-chloro-phenyl)-cyclohexyl]-ethanone (191.5 mg, 0.71 mmol) and sodium iodide (105.8 mg, 0.71 mmol) in acetone (5 mL) was stirred at room temperature for 10 min. Next, 1-(3-morpholinopropyl)-2-thiourea (143.6 mg, 0.71 mmol) was added. The resulting mixture was heated at 50° C. overnight. After the mixture was allowed to cool to room temperature, it was diluted with 5% sodium hydrogen carbonate in water and then extracted with ethyl acetate (3×20 mL). The extracts were combined, and dried over anhydrous sodium sulfate, filtered and concentrated to give an oil. The crude was purified by column chromatography on silica gel using dichloromethane/2 N ammonia in ethanol (95:5) to give {4-[1-(4-chloro-phenyl)-cyclohexyl]-thiazol-2-yl}-(3-morpholin-4-yl-propyl)-amine, 94, as an oil (187.1 mg, 63%). 1H (CDCl3, 300 MHz) δ 7.31–7.21 (m, 4H), 6.01 (s, 1H), 5.93 (s, 1H), 3.70–1.52 (m, 24H) ppm; 13C(C6D6, 75 MHz) δ 23.5, 25.5, 26.9, 36.7, 45.7, 46.4, 54.2, 57.7, 67.4, 101.3, 128.8, 129.4, 132.0, 146.8, 160.1, 169.5 ppm. to cool to room temperature extracted with ethyl acetate (3×20 mL) dried over anhydrous sodium sulfate filtered concentrated to give an oil The crude was purified by column chromatography on silica gel

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

Procedure: 3.5 g of 2-bromo-5-fluoro-1-indanone and 3.1 g of N-(3-morpholinopropyl)thiourea were added to 40 ml of ethanol. The resulting mixture was refluxed for 10 minutes, agitated for 24 hours at room temperature to precipitate crystals which were collected by filtration. The thus collected crystals were washed with ethanol, dried, incorporated with 40 ml of a 5% aqueous solution of NaOH, extracted with ethyl acetate, washed with water, dried, distilled at a reduced pressure and then recrystallized from ethyl acetate-isopropyl ether thereby to obtain 3.9 g of 2-(3-morpholinopropyl)amino-6-fluoro-8H-indeno[1.2-d]thiazole. The thus obtained compound had a melting point of 113° to 115° C. and the following analysis. The resulting mixture was refluxed for 10 minutes to precipitate crystals which were collected by filtration The thus collected crystals were washed with ethanol dried extracted with ethyl acetate washed with water dried distilled at a reduced pressure recrystallized from ethyl acetate-isopropyl ether

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

Procedure: A mixture of 2-(dimethylamino)ethyl chloride hydrochloride (1.05 g, 7.3 mmol) and 4-hydroxyacetophenone (1 g, 7.3 mmol) was dissolved in acetone (100 mL) followed by addition of anhydrous K2CO3 (10 g, 73 mmol). The reaction mixture was stirred at room temperature overnight, filtered, and the filtrate was concentrated in vacuo. The resulting residue was dissolved in THF (20 mL) and a portion of the obtained solution (7.4 mL, 2.7 mmol) was mixed with phenyltrimethylammonium tribromide (1.05 g, 2.7 mmol). The reaction mixture was heated at reflux for 1 h, cooled, and stirred at room temperature overnight, then concentrated in vacuo. The resulting residue was dissolved in water (15 mL) and extracted with dichloromethane (2×30 mL). The combined organic layers were dried over MgSO4 and concentrated in vacuo. The resulting crude bromoketone was dissolved in dry dioxane (25 mL), and a portion of the solution (1 mL, 0.11 mmol) was combined with (3-morpholin-4-yl-propyl)-thiourea (21 mg, 0.11 mmol). The reaction mixture was heated at 80° C. for 1 h, cooled, and stirred at room temperature overnight, then concentrated in vacuo. The resulting residue was suspended in dry chloroform (600 μL) followed by addition of N,N-diisopropylethylamine (52 μL, 0.3 mmol) and thiophene-2-carbonyl chloride (24 μL, 0.22 mmol). The reaction mixture was maintained for 30 min at room temperature, then concentrated in vacuo. The resulting residue was dissolved in AcOH (5 mL) and heated at reflux for 30 min, cooled, and concentrated in vacuo. The residue was dissolved in DMSO (600 μL) and portion of the solution (200 μL, 0.035 mmol) was subjected to HPLC purification (Method Z) to provide the title compound (0.8 mg) as a yellowish amorphous solid. LC/MS (ESI) m/z 501.1 [M+H]. HPLC retention time (Method B)=2.21 min. filtered the filtrate was concentrated in vacuo The resulting residue was dissolved in THF (20 mL) The reaction mixture was heated at reflux for 1 h cooled stirred at room temperature overnight concentrated in vacuo The resulting residue was dissolved in water (15 mL) extracted with dichloromethane (2×30 mL) The combined organic layers were dried over MgSO4 concentrated in vacuo The resulting crude bromoketone was dissolved in dry dioxane (25 mL) The reaction mixture was heated at 80° C. for 1 h cooled stirred at room temperature overnight concentrated in vacuo The reaction mixture was maintained for 30 min at room temperature concentrated in vacuo The resulting residue was dissolved in AcOH (5 mL) heated at reflux for 30 min cooled concentrated in vacuo The residue was dissolved in DMSO (600 μL)

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

Procedure: A mixture of methyl bromoacetate (690 μL, 7.3 mmol) and 4-hydroxyacetophenone (1 g, 7.3 mmol) was dissolved in acetone (100 mL), followed by addition of anhydrous K2CO3 (10 g, 73 mmol). The reaction mixture was stirred at room temperature overnight, filtered, and the filtrate was concentrated in vacuo. The resulting residue was dissolved in dioxane (21 mL), and a portion of the obtained solution (3.2 mL, 1.03 mmol) was combined with a solution of NaOH (64 mg, 1.6 mmol) in water (3 mL). The reaction mixture was maintained at room temperature for 1 h, then concentrated in vacuo. The residue was dissolved in water (3 mL) and neutralized with 1M HCl. The mixture was extracted with EtOAc (10 mL), and the organic layer was dried over MgSO4 and concentrated in vacuo. The crude acid was dissolved in THF (36 mL) and a portion of the obtained solution (5.2 mL, 0.14 mmol) was combined with phenyltrimethylammonium tribromide (93 mg, 0.14 mmol). The reaction mixture was heated at reflux for 1 h, cooled and stirred at room temperature overnight, then concentrated in vacuo. The resulting residue was dissolved in water (15 mL) and extracted with dichloromethane (2×30 mL). The combined organic extracts were dried over MgSO4 and concentrated in vacuo. The crude bromoketone was dissolved in dry dioxane (1 mL) followed by the addition of (3-morpholin-4-yl-propyl)-thiourea (28 mg, 0.14 mmol). The reaction mixture was heated at 80° C. for 1 h, cooled to room temperature, then concentrated in vacuo. The resulting crude aminothiazole was suspended in dry chloroform (600 μL) followed by addition of N,N-diisopropylethylamine (52 μL, 0.3 mmol) and thiophene-2-carbonyl chloride (24 μL, 0.22 mmol). The reaction mixture was stirred at room temperature for 30 min, then concentrated in vacuo. The resulting residue was dissolved in AcOH/water (1:1, 5 mL), heated at reflux for 30 min, cooled to room temperature, then concentrated in vacuo. The resulting crude product was dissolved in DMSO (800 μL) and a portion of the obtained solution (200 μL, 0.035 mmol) was subjected to HPLC purification (Method Z) to provide the title compound (2.4 mg) as a colorless amorphous solid. LC/MS (ESI) m/z 488.3 [M+H]. HPLC retention time (Method B)=2.58 min. filtered the filtrate was concentrated in vacuo The resulting residue was dissolved in dioxane (21 mL) The reaction mixture was maintained at room temperature for 1 h concentrated in vacuo The residue was dissolved in water (3 mL) The mixture was extracted with EtOAc (10 mL) the organic layer was dried over MgSO4 concentrated in vacuo The crude acid was dissolved in THF (36 mL) The reaction mixture was heated at reflux for 1 h cooled stirred at room temperature overnight concentrated in vacuo The resulting residue was dissolved in water (15 mL) extracted with dichloromethane (2×30 mL) The combined organic extracts were dried over MgSO4 concentrated in vacuo The crude bromoketone was dissolved in dry dioxane (1 mL) The reaction mixture was heated at 80° C. for 1 h cooled to room temperature concentrated in vacuo The reaction mixture was stirred at room temperature for 30 min concentrated in vacuo The resulting residue was dissolved in AcOH/water (1:1, 5 mL) heated at reflux for 30 min cooled to room temperature concentrated in vacuo The resulting crude product was dissolved in DMSO (800 μL)

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

Procedure: A mixture of methyl bromoacetate (690 μL, 7.3 mmol) and 4-hydroxyacetophenone (1 g, 7.3 mmol) was dissolved in acetone (100 mL), followed by addition of anhydrous K2CO3 (10 g, 73 mmol). The reaction mixture was stirred at room temperature overnight, filtered, and the filtrate was concentrated in vacuo. The resulting residue was dissolved in dioxane (21 mL), and a portion of the obtained solution (3.2 mL, 1.03 mmol) was combined with a solution of NaOH (64 mg, 1.6 mmol) in water (3 mL). The reaction mixture was maintained at room temperature for 1 h, then concentrated in vacuo. The residue was dissolved in water (3 mL) and neutralized with 1M HCl. The mixture was extracted with EtOAc (10 mL), and the organic layer was dried over MgSO4 and concentrated in vacuo. The crude acid was dissolved in THF (36 mL) and a portion of the obtained solution (5.2 mL, 0.14 mmol) was combined with phenyltrimethylammonium tribromide (93 mg, 0.14 mmol). The reaction mixture was heated at reflux for 1 h, cooled and stirred at room temperature overnight, then concentrated in vacuo. The resulting residue was dissolved in water (15 mL) and extracted with dichloromethane (2×30 mL). The combined organic extracts were dried over MgSO4 and concentrated in vacuo. The crude bromoketone was dissolved in dry dioxane (1 mL) followed by the addition of (3-morpholin-4-yl-propyl)-thiourea (28 mg, 0.14 mmol). The reaction mixture was heated at 80° C. for 1 h, cooled to room temperature, then concentrated in vacuo. The resulting crude aminothiazole was suspended in dry chloroform (600 μL) followed by addition of N,N-diisopropylethylamine (52 μL, 0.3 mmol) and thiophene-2-carbonyl chloride (24 μL, 0.22 mmol). The reaction mixture was stirred at room temperature for 30 min, then concentrated in vacuo. The resulting residue was dissolved in AcOH/water (1:1, 5 mL), heated at reflux for 30 min, cooled to room temperature, then concentrated in vacuo. The resulting crude product was dissolved in DMSO (800 μL) and a portion of the obtained solution (200 μL, 0.035 mmol) was subjected to HPLC purification (Method Z) to provide the title compound (2.4 mg) as a colorless amorphous solid. LC/MS (ESI) m/z 488.3 [M+H]. HPLC retention time (Method B)=2.58 min. filtered the filtrate was concentrated in vacuo The resulting residue was dissolved in dioxane (21 mL) The reaction mixture was maintained at room temperature for 1 h concentrated in vacuo The residue was dissolved in water (3 mL) The mixture was extracted with EtOAc (10 mL) the organic layer was dried over MgSO4 concentrated in vacuo The crude acid was dissolved in THF (36 mL) The reaction mixture was heated at reflux for 1 h cooled stirred at room temperature overnight concentrated in vacuo The resulting residue was dissolved in water (15 mL) extracted with dichloromethane (2×30 mL) The combined organic extracts were dried over MgSO4 concentrated in vacuo The crude bromoketone was dissolved in dry dioxane (1 mL) The reaction mixture was heated at 80° C. for 1 h cooled to room temperature concentrated in vacuo The reaction mixture was stirred at room temperature for 30 min concentrated in vacuo The resulting residue was dissolved in AcOH/water (1:1, 5 mL) heated at reflux for 30 min cooled to room temperature concentrated in vacuo The resulting crude product was dissolved in DMSO (800 μL)

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 2-bromo-1-[5-(2-pyridinyl)-2-thienyl]-1-ethanone (169 mg, 0.6 mmol) (167 mg, 0.6 mmol) and (3-morpholin-4-yl-propyl)-thiourea (122 mg, 0.6 mmol) in dry dioxane (5 ml) was heated at 80° C. for 2 h, cooled to room temperature, and concentrated in vacuo. The resulting residue was suspended in dichloromethane (5 mL) followed by the addition of N,N-diisopropylethylamine (209 μL, 1.2 mmol) and thiophene-2-carbonyl chloride (96 μL, 0.9 mmol). The reaction mixture was maintained at room temperature overnight, then concentrated in vacuo. The resulting residue was dissolved in DMSO (2.5 mL) and subjected to HPLC purification (Method Y). The resulting free amine was dissolved in MeOH (1 mL) and 1M HCl/ether (50 mL) was added. The precipitate was filtered and dried in vacuo to provide the title compound (320 mg) as an off-white solid as the hydrochloride salt. LC/MS (ESI) m/z 497.5 [M+H]. HPLC retention time (Method B)=2.55 min. cooled to room temperature concentrated in vacuo The reaction mixture was maintained at room temperature overnight concentrated in vacuo The resulting residue was dissolved in DMSO (2.5 mL) subjected to HPLC purification (Method Y) The resulting free amine was dissolved in MeOH (1 mL) 1M HCl/ether (50 mL) was added The precipitate was filtered dried in vacuo

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 2-bromo-1-[5-(2-pyridinyl)-2-thienyl]-1-ethanone (169 mg, 0.6 mmol) (167 mg, 0.6 mmol) and (3-morpholin-4-yl-propyl)-thiourea (122 mg, 0.6 mmol) in dry dioxane (5 ml) was heated at 80° C. for 2 h, cooled to room temperature, and concentrated in vacuo. The resulting residue was suspended in dichloromethane (5 mL) followed by the addition of N,N-diisopropylethylamine (209 μL, 1.2 mmol) and thiophene-2-carbonyl chloride (96 μL, 0.9 mmol). The reaction mixture was maintained at room temperature overnight, then concentrated in vacuo. The resulting residue was dissolved in DMSO (2.5 mL) and subjected to HPLC purification (Method Y). The resulting free amine was dissolved in MeOH (1 mL) and 1M HCl/ether (50 mL) was added. The precipitate was filtered and dried in vacuo to provide the title compound (320 mg) as an off-white solid as the hydrochloride salt. LC/MS (ESI) m/z 497.5 [M+H]. HPLC retention time (Method B)=2.55 min. cooled to room temperature concentrated in vacuo The reaction mixture was maintained at room temperature overnight concentrated in vacuo The resulting residue was dissolved in DMSO (2.5 mL) subjected to HPLC purification (Method Y) The resulting free amine was dissolved in MeOH (1 mL) 1M HCl/ether (50 mL) was added The precipitate was filtered dried in vacuo

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 2-bromo-1-(5-methyl-1-phenyl-1H-pyrazol-4-yl)-1-ethanone (167 mg, 0.6 mmol) and (3-morpholin-4-yl-propyl)-thiourea (122 mg, 0.6 mmol) in dry dioxane (5 ml) was heated at 80° C. for 2 h, cooled to room temperature, and concentrated in vacuo. The resulting residue was suspended in dichloromethane (5 mL) followed by the addition of N,N-diisopropylethylamine (209 μL, 1.2 mmol) and thiophene-2-carbonyl chloride (96 μL, 0.9 mmol). The reaction mixture was maintained at room temperature overnight, then concentrated in vacuo. The resulting residue was dissolved in DMSO (2.5 mL) and subjected to HPLC purification (Method Y). The resulting free amine was dissolved in MeOH (1 mL) and 1M HCl/ether (50 mL) was added. The precipitate was filtered and dried in vacuo to provide the title compound (193 mg) as an yellow solid as the hydrochloride salt. LC/MS (ESI) m/z 494.3 [M+H]. HPLC retention time (Method B)=2.72 min. cooled to room temperature concentrated in vacuo The reaction mixture was maintained at room temperature overnight concentrated in vacuo The resulting residue was dissolved in DMSO (2.5 mL) subjected to HPLC purification (Method Y) The resulting free amine was dissolved in MeOH (1 mL) 1M HCl/ether (50 mL) was added The precipitate was filtered dried in vacuo

Conditions: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 2-chloro-1-[1-(4-chloro-phenyl)-cyclohexyl]-ethanone (191.5 mg, 0.71 mmol) and sodium iodide (105.8 mg, 0.71 mmol) in acetone (5 mL) was stirred at room temperature for 10 min. Next, 1-(3-morpholinopropyl)-2-thiourea (143.6 mg, 0.71 mmol) was added. The resulting mixture was heated at 50° C. overnight. After the mixture was allowed to cool to room temperature, it was diluted with 5% sodium hydrogen carbonate in water and then extracted with ethyl acetate (3×20 mL). The extracts were combined, and dried over anhydrous sodium sulfate, filtered and concentrated to give an oil. The crude was purified by column chromatography on silica gel using dichloromethane/2 N ammonia in ethanol (95:5) to give {4-[1-(4-chloro-phenyl)-cyclohexyl]-thiazol-2-yl}-(3-morpholin-4-yl-propyl)-amine, 94, as an oil (187.1 mg, 63%). 1H (CDCl3, 300 MHz) δ 7.31–7.21 (m, 4H), 6.01 (s, 1H), 5.93 (s, 1H), 3.70–1.52 (m, 24H) ppm; 13C(C6D6, 75 MHz) δ 23.5, 25.5, 26.9, 36.7, 45.7, 46.4, 54.2, 57.7, 67.4, 101.3, 128.8, 129.4, 132.0, 146.8, 160.1, 169.5 ppm. to cool to room temperature extracted with ethyl acetate (3×20 mL) dried over anhydrous sodium sulfate filtered concentrated to give an oil The crude was purified by column chromatography on silica gel