azetidin-3-yl(pyrrolidin-1-yl)methanone

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

実験手順: A solution of 2-(2-ethylbenzoimidazol-1-yl)-9-methyl-6-morpholin-4-yl-9H-purine-8-carbaldehyde (100 mg, 0.27 mmol) and azetidin-3-ylpyrrolidin-1-ylmethanone (50 mg, 0.32 mmol) in DCE (3 mL) was stirred at ambient temperature for 90 min. Sodium triacetoxyborohydride (86 mg, 0.41 mmol) was added and the mixture stirred for 18 h, then loaded onto an Isolute® SCX-2 cartridge (10 g). The cartridge was then washed with methanol and the desired product was subsequently eluted using 2 M NH3 in MeOH. The product was collected and concentrated in vacuo. The resultant residue was purified by flash chromatography (Si—PPC, EtOAc:MeOH; gradient from 100:0 to 70:30) followed by reverse phase HPLC (Phenomenex Gemini 5u C18, 20 mM triethylamine in water on a gradient of acetonitrile 80:20 to 2:98) to afford 365 as a white solid (65 mg, 48%). LCMS (Method G): RT=6.26 min, M+H+=530. 1H NMR (CDCl3, 400 MHz) δ 8.01 (m, 1 H); 7.73 (m, 1 H); 7.27 (m, 2 H); 4.35 (m, 4 H); 3.86 (m, 6 H); 3.83 (s, 3 H); 3.69-3.63 (m, 2 H); 3.55-3.42 (m, 5 H); 3.39-3.27 (m, 4 H); 1.98-1.82 (m, 4 H) and 1.44 (t, J=7.5 Hz, 3 H) The cartridge was then washed with methanol the desired product was subsequently eluted The product was collected concentrated in vacuo The resultant residue was purified by flash chromatography (Si—PPC, EtOAc:MeOH; gradient from 100:0 to 70:30)

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

実験手順: A solution of 9-methyl-2-(2-methylbenzoimidazol-1-yl)-6-morpholin-4-yl-9H-purine-8-carbaldehyde (100 mg, 0.27 mmol) and azetidin-3-ylpyrrolidin-1-ylmethanone (50 mg, 0.32 mmol) in DCE (3 mL) was stirred at ambient temperature for 90 min. Sodium triacetoxyborohydride (86 mg, 0.41 mmol) was added and the mixture stirred for 18 h, then loaded onto an Isolute® SCX-2 cartridge (10 g). The cartridge was then washed with methanol and the desired product was subsequently eluted using 2 M NH3 in MeOH. The product was collected and concentrated in vacuo. The resultant residue was purified by flash chromatography (Si—PPC, EtOAc:MeOH; gradient from 100:0 to 70:30) to afford 348 as a white foam (50 mg, 37%). LCMS (Method G): RT=5.81 min, M+H+=516. 1H NMR (CDCl3, 400 MHz) δ 8.08 (m, 1 H); 7.71 (m, 1 H); 7.26 (m, 2 H); 4.35 (m, 4 H); 3.89-3.83 (m, 9 H); 3.66 (m, 2 H); 3.55-3.43 (m, 5 H); 3.31 (m, 2 H); 2.94 (s, 3 H) and 1.98-1.81 (m, 4 H) The cartridge was then washed with methanol the desired product was subsequently eluted The product was collected concentrated in vacuo The resultant residue was purified by flash chromatography (Si—PPC, EtOAc:MeOH; gradient from 100:0 to 70:30)

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

実験手順: Pyrrolidine (271 μL, 5.50 mmol) was added to a solution of azetidine-1,3-dicarboxylic acid mono-tert-butyl ester (1.0 g, 4.97 mmol), HATU (2.09 g, 5.50 mmol) and DIPEA (2.18 mL, 12.52 mmol) in DMF (100 mL) and the resulting mixture stirred at ambient temperature for 1 h, then concentrated in vacuo. The resulting oil was partitioned between EtOAc and water. The organic layer was separated, washed with water and brine, then dried (MgSO4) and concentrated in vacuo to give 3-(pyrrolidine-1-carbonyl)azetidine-1-carboxylic acid tert-butyl ester as a colourless oil. TFA (3 mL) was added to a solution of 3-(pyrrolidine-1-carbonyl)-azetidine-1-carboxylic acid tert-butyl ester in DCM (15 mL) and the mixture stirred at ambient temperature for 1 h, then loaded onto an Isolute® SCX-2 cartridge (25 g). The cartridge was then washed with methanol and the desired product was subsequently eluted using 2 M NH3 in MeOH. The product was collected and concentrated in vacuo to afford the title compound as a colourless oil (550 mg, 72%). 1H NMR (CD3OD, 400 MHz) δ 3.93-3.65 (m, 5 H); 3.43-3.28 (m, 4 H) and 2.00-1.81 (m, 4 H). The cartridge was then washed with methanol the desired product was subsequently eluted The product was collected concentrated in vacuo

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

実験手順: A solution of 2-(2-ethylbenzoimidazol-1-yl)-9-methyl-6-morpholin-4-yl-9H-purine-8-carbaldehyde (100 mg, 0.27 mmol) and azetidin-3-ylpyrrolidin-1-ylmethanone (50 mg, 0.32 mmol) in DCE (3 mL) was stirred at ambient temperature for 90 min. Sodium triacetoxyborohydride (86 mg, 0.41 mmol) was added and the mixture stirred for 18 h, then loaded onto an Isolute® SCX-2 cartridge (10 g). The cartridge was then washed with methanol and the desired product was subsequently eluted using 2 M NH3 in MeOH. The product was collected and concentrated in vacuo. The resultant residue was purified by flash chromatography (Si—PPC, EtOAc:MeOH; gradient from 100:0 to 70:30) followed by reverse phase HPLC (Phenomenex Gemini 5u C18, 20 mM triethylamine in water on a gradient of acetonitrile 80:20 to 2:98) to afford 365 as a white solid (65 mg, 48%). LCMS (Method G): RT=6.26 min, M+H+=530. 1H NMR (CDCl3, 400 MHz) δ 8.01 (m, 1 H); 7.73 (m, 1 H); 7.27 (m, 2 H); 4.35 (m, 4 H); 3.86 (m, 6 H); 3.83 (s, 3 H); 3.69-3.63 (m, 2 H); 3.55-3.42 (m, 5 H); 3.39-3.27 (m, 4 H); 1.98-1.82 (m, 4 H) and 1.44 (t, J=7.5 Hz, 3 H) The cartridge was then washed with methanol the desired product was subsequently eluted The product was collected concentrated in vacuo The resultant residue was purified by flash chromatography (Si—PPC, EtOAc:MeOH; gradient from 100:0 to 70:30)

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

実験手順: A solution of 9-methyl-2-(2-methylbenzoimidazol-1-yl)-6-morpholin-4-yl-9H-purine-8-carbaldehyde (100 mg, 0.27 mmol) and azetidin-3-ylpyrrolidin-1-ylmethanone (50 mg, 0.32 mmol) in DCE (3 mL) was stirred at ambient temperature for 90 min. Sodium triacetoxyborohydride (86 mg, 0.41 mmol) was added and the mixture stirred for 18 h, then loaded onto an Isolute® SCX-2 cartridge (10 g). The cartridge was then washed with methanol and the desired product was subsequently eluted using 2 M NH3 in MeOH. The product was collected and concentrated in vacuo. The resultant residue was purified by flash chromatography (Si—PPC, EtOAc:MeOH; gradient from 100:0 to 70:30) to afford 348 as a white foam (50 mg, 37%). LCMS (Method G): RT=5.81 min, M+H+=516. 1H NMR (CDCl3, 400 MHz) δ 8.08 (m, 1 H); 7.71 (m, 1 H); 7.26 (m, 2 H); 4.35 (m, 4 H); 3.89-3.83 (m, 9 H); 3.66 (m, 2 H); 3.55-3.43 (m, 5 H); 3.31 (m, 2 H); 2.94 (s, 3 H) and 1.98-1.81 (m, 4 H) The cartridge was then washed with methanol the desired product was subsequently eluted The product was collected concentrated in vacuo The resultant residue was purified by flash chromatography (Si—PPC, EtOAc:MeOH; gradient from 100:0 to 70:30)

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

実験手順: Pyrrolidine (271 μL, 5.50 mmol) was added to a solution of azetidine-1,3-dicarboxylic acid mono-tert-butyl ester (1.0 g, 4.97 mmol), HATU (2.09 g, 5.50 mmol) and DIPEA (2.18 mL, 12.52 mmol) in DMF (100 mL) and the resulting mixture stirred at ambient temperature for 1 h, then concentrated in vacuo. The resulting oil was partitioned between EtOAc and water. The organic layer was separated, washed with water and brine, then dried (MgSO4) and concentrated in vacuo to give 3-(pyrrolidine-1-carbonyl)azetidine-1-carboxylic acid tert-butyl ester as a colourless oil. TFA (3 mL) was added to a solution of 3-(pyrrolidine-1-carbonyl)-azetidine-1-carboxylic acid tert-butyl ester in DCM (15 mL) and the mixture stirred at ambient temperature for 1 h, then loaded onto an Isolute® SCX-2 cartridge (25 g). The cartridge was then washed with methanol and the desired product was subsequently eluted using 2 M NH3 in MeOH. The product was collected and concentrated in vacuo to afford the title compound as a colourless oil (550 mg, 72%). 1H NMR (CD3OD, 400 MHz) δ 3.93-3.65 (m, 5H); 3.43-3.28 (m, 4H) and 2.00-1.81 (m, 4H). The cartridge was then washed with methanol the desired product was subsequently eluted The product was collected concentrated in vacuo