methyl 6-aminohexanoate;hydrochloride

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

実験手順: Pyridine-3-sulfonyl chloride hydrochloride (92c) (1.8 g, 5.0 mmol) was added to a solution of methyl 6-aminohexanoate hydrochloride (91) (1.82 g, 10 mmol) and triethylamine (3.03 g, 30 mmol) in acetonitrile (30 ml). The mixture was stirred for 1 hour at ambient temperature, filtered and solvents were removed under reduced pressure. The oily product was dissolved in water (15 ml) and extracted with ethyl ether (50 ml). The extract was dried (Na2SO4) and the solvents were removed under reduced pressure. The title compound (1.09 g, 76%) was obtained as oil and was used for the next step without an additional purification. 1H NMR δH (90 MHz, DMSO-d6) δ: 0.80–1.51 (6H, m, CH2); 1.83 (2H, t, J=6.5 Hz, CH2); 2.76 (2H, t, J=6.5 Hz, CH2N); 3.58 (3H, s, CH3); 7.54 (1H, dd, J=5.0 Hz, J=8.2 Hz, C5HN); 8.12 (1H, dt, J=2.0 Hz, J=8.2 Hz, C5HN); 8.61 (1H, dd, J=2.0 Hz, J=5.0 Hz, C5HN); 8.81 (1H, d, J=2.0 Hz, C5HN). filtered solvents were removed under reduced pressure The oily product was dissolved in water (15 ml) extracted with ethyl ether (50 ml) The extract was dried (Na2SO4) the solvents were removed under reduced pressure

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

実験手順: Benzenesulfonyl chloride (92a) (0.88 g, 5.0 mmol) was added to the mixture of methyl 6-aminohexanoate hydrochloride (91) (1.82 g, 10 mmol) in acetonitrile (10 ml) and sodium carbonate (2.6 g, 24.6 mmol) in water (10 ml). The mixture was stirred for 6 hours at ambient temperature, and the product was extracted with ethyl acetate (30 ml). The extract was dried (Na2SO4) and solvents were removed under reduced pressure. The product was chromatographed on silica gel with ethyl acetate-hexane (1:2) as eluent. The title compound was obtained as oil (1.28 g, 90%). 1H NMR δH (90 MHz, DMSO-d6) δ: 0.90–1.63 (6H, m, CH2); 2.21 (2H, t, J=7.0 Hz, CH2); 2.71 (2H, q, J=6.0 Hz, CH2N); 3.58 (3H, s, CH3); 7.40–7.72 (3H, m, C6H3); 7.72–7.89 (2H, m, C6H2). the product was extracted with ethyl acetate (30 ml) The extract was dried (Na2SO4) and solvents were removed under reduced pressure The product was chromatographed on silica gel with ethyl acetate-hexane (1:2) as eluent

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

実験手順: The procedure described in Example 1 was repeated, except that dihydropyran (2.56 ml) and methyl 6-aminohexanate hydrochloride (3.41 g) were successively reacted with (RS)-2-(4-chlorobenzenesulfonylamino)-3-hydroxypropanoic acid (4.94 g) to obtain (RS)-2-(4-chlorobenzenesulfonylamino)-N-(5-methoxycarbonylpentyl)-3-(tetrahydropyran-2-yloxy)propanamide (0.87 g).

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

実験手順: The procedure described in Example 1 was repeated, except that dihydropyran (2.56 ml) and methyl 6-aminohexanate hydrochloride (3.41 g) were successively reacted with (RS)-2-(4-chlorobenzenesulfonylamino)-3-hydroxypropanoic acid (4.94 g) to obtain (RS)-2-(4-chlorobenzenesulfonylamino)-N-(5-methoxycarbonylpentyl)-3-(tetrahydropyran-2-yloxy)propanamide (0.87 g).

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

実験手順: 3-((5-fluoro-2-oxoindolin-3-ylidene)methyl)benzoic acid (283 mg, 1 mmol) and 8 ml of DMF were stirred at room temperature while 1-Ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride (394 mg, 2 mmol), hydroxybenzo-triazole (162 mg, 1.2 mmol), triethylamine (404 mg, 4 mmol) and 6-aminocaproic acid methyl ester hydrochloride (219 mg, 1.2 mmol) were added. The mixture was stirred for 24 hours at room temperature. The mixture was diluted with 400 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (332 mg, 81% yield) as a brown solid. LC-MS (m/z) 411 (M+1). were added The solids were collected by vacuum filtration washed with water dried under vacuum

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

実験手順: 3-((5-fluoro-2-oxoindolin-3-ylidene)methyl)benzoic acid (283 mg, 1 mmol) and 8 ml of DMF were stirred at room temperature while 1-Ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride (394 mg, 2 mmol), hydroxybenzo-triazole (162 mg, 1.2 mmol), triethylamine (404 mg, 4 mmol) and 6-aminocaproic acid methyl ester hydrochloride (219 mg, 1.2 mmol) were added. The mixture was stirred for 24 hours at room temperature. The mixture was diluted with 400 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (332 mg, 81% yield) as a brown solid. LC-MS (m/z) 411 (M+1). were added The solids were collected by vacuum filtration washed with water dried under vacuum

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

実験手順: 4-((5-fluoro-2-oxoindolin-3-ylidene)methyl)benzoic acid (283 mg, 1 mmol) and 8 ml of DMF were stirred at room temperature while 1-Ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride (394 mg, 2 mmol), hydroxybenzo-triazole (162 mg, 1.2 mmol), triethylamine (404 mg, 4 mmol) and 6-aminocaproic acid methyl ester hydrochloride (219 mg, 1.2 mmol) were added. The mixture was stirred for 24 hours at room temperature. The mixture was diluted with 400 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (362 mg, 88% yield) as a brown solid. LC-MS (m/z) 411 (M+1). were added The solids were collected by vacuum filtration washed with water dried under vacuum

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

実験手順: 4-((5-fluoro-2-oxoindolin-3-ylidene)methyl)benzoic acid (283 mg, 1 mmol) and 8 ml of DMF were stirred at room temperature while 1-Ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride (394 mg, 2 mmol), hydroxybenzo-triazole (162 mg, 1.2 mmol), triethylamine (404 mg, 4 mmol) and 6-aminocaproic acid methyl ester hydrochloride (219 mg, 1.2 mmol) were added. The mixture was stirred for 24 hours at room temperature. The mixture was diluted with 400 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (362 mg, 88% yield) as a brown solid. LC-MS (m/z) 411 (M+1). were added The solids were collected by vacuum filtration washed with water dried under vacuum

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

実験手順: 4-(((5-fluoro-2-oxoindolin-3-ylidene)hydrazono)methyl)benzoic acid (311 mg, 1 mmol) and 8 ml of DMF were stirred at room temperature while 1-Ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride (394 mg, 2 mmol), hydroxybenzo-triazole (162 mg, 1.2 mmol), triethylamine (404 mg, 4 mmol) and 6-aminocaproic acid methyl ester hydrochloride (219 mg, 1.2 mmol) were added. The mixture was stirred for 24 hours at room temperature. The mixture was diluted with 400 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (114 mg, 28% yield) as a brown solid. LC-MS (m/z) 439 (M+1). were added The solids were collected by vacuum filtration washed with water dried under vacuum

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

実験手順: 4-(((5-fluoro-2-oxoindolin-3-ylidene)hydrazono)methyl)benzoic acid (311 mg, 1 mmol) and 8 ml of DMF were stirred at room temperature while 1-Ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride (394 mg, 2 mmol), hydroxybenzo-triazole (162 mg, 1.2 mmol), triethylamine (404 mg, 4 mmol) and 6-aminocaproic acid methyl ester hydrochloride (219 mg, 1.2 mmol) were added. The mixture was stirred for 24 hours at room temperature. The mixture was diluted with 400 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (114 mg, 28% yield) as a brown solid. LC-MS (m/z) 439 (M+1). were added The solids were collected by vacuum filtration washed with water dried under vacuum

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

実験手順: 5-(((5-fluoro-2-oxoindolin-3-ylidene)hydrazono)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (328 mg, 1 mmol) and 8 ml of DMF were stirred at room temperature while 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (394 mg, 2 mmol), hydroxybenzo-triazole (162 mg, 1.2 mmol), triethylamine (404 mg, 4 mmol) and 6-aminocaproic acid methyl ester hydrochloride (219 mg, 1.2 mmol) were added. The mixture was stirred for 24 hours at room temperature. The mixture was diluted with 400 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (287 mg, 63% yield) as a red solid. LC-MS (m/z) 456 (M+1). were added The solids were collected by vacuum filtration washed with water dried under vacuum

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

実験手順: 5-(((5-fluoro-2-oxoindolin-3-ylidene)hydrazono)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (328 mg, 1 mmol) and 8 ml of DMF were stirred at room temperature while 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (394 mg, 2 mmol), hydroxybenzo-triazole (162 mg, 1.2 mmol), triethylamine (404 mg, 4 mmol) and 6-aminocaproic acid methyl ester hydrochloride (219 mg, 1.2 mmol) were added. The mixture was stirred for 24 hours at room temperature. The mixture was diluted with 400 mL of brine. The solids were collected by vacuum filtration, washed with water and dried under vacuum to give the title compound (287 mg, 63% yield) as a red solid. LC-MS (m/z) 456 (M+1). were added The solids were collected by vacuum filtration washed with water dried under vacuum