ethyl 2-(2-cyanoethylamino)acetate

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

Procedure: 139.6 g (1 mole) of glycine ethyl ester hydrochloride was dissolved in 80 ml of distilled water and to this solution was added 230 ml of an aqueous solution of 67.3 g (1.2 mole eq.) of potassium hydroxide. Then, 106.2 g (2 mole eq.) of acrylonitrile was added to the reaction solution while heating and stirring at 50° to 60° C. The reaction mixture was stirred for 5 hours with heating and then the organic layer was separated. The aqueous layer was extracted with ethyl ether and the extract was combined with the organic layer as separated above. The combined organic layer was dried over anhydrous magnesium sulfate and filtered. The filtrate was concentrated under reduced pressure to remove the solvent. The residue was distilled under reduced pressure (100° to 150° C./10.25 torr) to obtain 65.6 g (Yield: 48%) of the title compound. while heating The reaction mixture was stirred for 5 hours with heating the organic layer was separated The aqueous layer was extracted with ethyl ether as separated above The combined organic layer was dried over anhydrous magnesium sulfate filtered The filtrate was concentrated under reduced pressure to remove the solvent The residue was distilled under reduced pressure (100° to 150° C./10.25 torr)

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

Procedure: 139.6 g (1 mole) of glycine ethyl ester hydrochloride was dissolved in 80 ml of distilled water and to this solution was added 230 ml of an aqueous solution of 67.3 g (1.2 mole eq.) of potassium hydroxide. Then, 106.2 g (2 mole eq.) of acrylonitrile was added to the reaction solution while heating and stirring at 50° to 60° C. The reaction mixture was stirred for 5 hours with heating and then the organic layer was separated. The aqueous layer was extracted with ethyl ether and the extract was combined with the organic layer as separated above. The combined organic layer was dried over anhydrous magnesium sulfate and filtered. The filtrate was concentrated under reduced pressure to remove the solvent. The residue was distilled under reduced pressure (100° to 150° C./10.25 torr) to obtain 65.6 g (Yield: 48%) of the title compound. while heating The reaction mixture was stirred for 5 hours with heating the organic layer was separated The aqueous layer was extracted with ethyl ether as separated above The combined organic layer was dried over anhydrous magnesium sulfate filtered The filtrate was concentrated under reduced pressure to remove the solvent The residue was distilled under reduced pressure (100° to 150° C./10.25 torr)

Conditions: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To N-cyanoethylglycine, ethyl ester (15.9 g, 102 mmol) (a compound of formula (Y2)) dissolved in DMSO (70 mL) was added 4-chloro-6-methyl-2-methylsulfonylpyrimidine (18.8 g, 91 mmol) (a compound of formula (Y1)) and diisopropylethylamine (18 mL, 100 mmol). After stirring for 16 hours, the reaction temperature was raised to 70° C. and imidazole (26.5 g, 0.39 mol) was added. After stirring for 1 day, the reaction was cooled to ambient temperature and added to ice water. The solid that formed was suction filtered and collected on paper to give 9.9 g of 2-[(2-cyanoethyl)[2-(1H-imidazol-1-yl)-6-methyl-4-pyrimidinyl]amino]acetic acid, ethyl ester (a compound of formula (Yc1)). After stirring for 1 day the reaction was cooled to ambient temperature The solid that formed filtered collected on paper

Conditions: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To N-cyanoethylglycine, ethyl ester (15.9 g, 102 mmol) (a compound of formula (Y2)) dissolved in DMSO (70 mL) was added 4-chloro-6-methyl-2-methylsulfonylpyrimidine (18.8 g, 91 mmol) (a compound of formula (Y1)) and diisopropylethylamine (18 mL, 100 mmol). After stirring for 16 hours, the reaction temperature was raised to 70° C. and imidazole (26.5 g, 0.39 mol) was added. After stirring for 1 day, the reaction was cooled to ambient temperature and added to ice water. The solid that formed was suction filtered and collected on paper to give 9.9 g of 2-[(2-cyanoethyl)[2-(1H-imidazol-1-yl)-6-methyl-4-pyrimidinyl]amino]acetic acid, ethyl ester (a compound of formula (Yc1)). After stirring for 1 day the reaction was cooled to ambient temperature The solid that formed filtered collected on paper

Conditions: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To N-cyanoethylglycine, ethyl ester (15.9 g, 102 mmol) (a compound of formula (Y2)) dissolved in DMSO (70 mL) was added 4-chloro-6-methyl-2-methylsulfonylpyrimidine (18.8 g, 91 mmol) (a compound of formula (Y1)) and diisopropylethylamine (18 mL, 100 mmol). After stirring for 16 hours, the reaction temperature was raised to 70° C. and imidazole (26.5 g, 0.39 mol) was added. After stirring for 1 day, the reaction was cooled to ambient temperature and added to ice water. The solid that formed was suction filtered and collected on paper to give 9.9 g of 2-[(2-cyanoethyl)[2-(1H-imidazol-1-yl)-6-methyl-4-pyrimidinyl]amino]acetic acid, ethyl ester (a compound of formula (Yc1)). After stirring for 1 day the reaction was cooled to ambient temperature The solid that formed filtered collected on paper

Conditions: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To N-cyanoethylglycine, ethyl ester (15.9 g, 102 mmol) (a compound of formula (Y2)) dissolved in DMSO (70 mL) was added 4-chloro-6-methyl-2-methylsulfonylpyrimidine (18.8 g, 91 mmol) (a compound of formula (Y1)) and diisopropylethylamine (18 mL, 100 mmol). After stirring for 16 hours, the reaction temperature was raised to 70° C. and imidazole (26.5 g, 0.39 mol) was added. After stirring for 1 day, the reaction was cooled to ambient temperature and added to ice water. The solid that formed was suction filtered and collected on paper to give 9.9 g of 2-[(2-cyanoethyl)[2-(1H-imidazol-1-yl)-6-methyl-4-pyrimidinyl]amino]acetic acid, ethyl ester (a compound of formula (Yc1)). After stirring for 1 day the reaction was cooled to ambient temperature The solid that formed filtered collected on paper

Conditions: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To N-cyanoethylglycine, ethyl ester (15.9 g, 102 mmol) (a compound of formula (Y2)) dissolved in DMSO (70 mL) was added 4-chloro-6-methyl-2-methylsulfonylpyrimidine (18.8 g, 91 mmol) (a compound of formula (Y1)) and diisopropylethylamine (18 mL, 100 mmol). After stirring for 16 hours, the reaction temperature was raised to 70° C. and imidazole (26.5 g, 0.39 mol) was added. After stirring for 1 day, the reaction was cooled to ambient temperature and added to ice water. The solid that formed was suction filtered and collected on paper to give 9.9 g of 2-[(2-cyanoethyl)[2-(1H-imidazol-1-yl)-6-methyl-4-pyrimidinyl]amino]acetic acid, ethyl ester (a compound of formula (Yc1)). After stirring for 1 day the reaction was cooled to ambient temperature The solid that formed filtered collected on paper

Conditions: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To N-cyanoethylglycine, ethyl ester (15.9 g, 102 mmol) (a compound of formula (Y2)) dissolved in DMSO (70 mL) was added 4-chloro-6-methyl-2-methylsulfonylpyrimidine (18.8 g, 91 mmol) (a compound of formula (Y1)) and diisopropylethylamine (18 mL, 100 mmol). After stirring for 16 hours, the reaction temperature was raised to 70° C. and imidazole (26.5 g, 0.39 mol) was added. After stirring for 1 day, the reaction was cooled to ambient temperature and added to ice water. The solid that formed was suction filtered and collected on paper to give 9.9 g of 2-[(2-cyanoethyl)[2-(1H-imidazol-1-yl)-6-methyl-4-pyrimidinyl]amino]acetic acid, ethyl ester (a compound of formula (Yc1)). After stirring for 1 day the reaction was cooled to ambient temperature The solid that formed filtered collected on paper

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

Procedure: 139.6 g (1 mole) of glycine ethyl ester hydrochloride was dissolved in 80 ml of distilled water and to this solution was added 230 ml of an aqueous solution of 67.3 g (1.2 mole eq.) of potassium hydroxide. Then, 106.2 g (2 mole eq.) of acrylonitrile was added to the reaction solution while heating and stirring at 50° to 60° C. The reaction mixture was stirred for 5 hours with heating and then the organic layer was separated. The aqueous layer was extracted with ethyl ether and the extract was combined with the organic layer as separated above. The combined organic layer was dried over anhydrous magnesium sulfate and filtered. The filtrate was concentrated under reduced pressure to remove the solvent. The residue was distilled under reduced pressure (100° to 150° C./10.25 torr) to obtain 65.6 g (Yield: 48%) of the title compound. while heating The reaction mixture was stirred for 5 hours with heating the organic layer was separated The aqueous layer was extracted with ethyl ether as separated above The combined organic layer was dried over anhydrous magnesium sulfate filtered The filtrate was concentrated under reduced pressure to remove the solvent The residue was distilled under reduced pressure (100° to 150° C./10.25 torr)

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

Procedure: 139.6 g (1 mole) of glycine ethyl ester hydrochloride was dissolved in 80 ml of distilled water and to this solution was added 230 ml of an aqueous solution of 67.3 g (1.2 mole eq.) of potassium hydroxide. Then, 106.2 g (2 mole eq.) of acrylonitrile was added to the reaction solution while heating and stirring at 50° to 60° C. The reaction mixture was stirred for 5 hours with heating and then the organic layer was separated. The aqueous layer was extracted with ethyl ether and the extract was combined with the organic layer as separated above. The combined organic layer was dried over anhydrous magnesium sulfate and filtered. The filtrate was concentrated under reduced pressure to remove the solvent. The residue was distilled under reduced pressure (100° to 150° C./10.25 torr) to obtain 65.6 g (Yield: 48%) of the title compound. while heating The reaction mixture was stirred for 5 hours with heating the organic layer was separated The aqueous layer was extracted with ethyl ether as separated above The combined organic layer was dried over anhydrous magnesium sulfate filtered The filtrate was concentrated under reduced pressure to remove the solvent The residue was distilled under reduced pressure (100° to 150° C./10.25 torr)

Conditions: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To N-cyanoethylglycine, ethyl ester (15.9 g, 102 mmol) (a compound of formula (Y2)) dissolved in DMSO (70 mL) was added 4-chloro-6-methyl-2-methylsulfonylpyrimidine (18.8 g, 91 mmol) (a compound of formula (Y1)) and diisopropylethylamine (18 mL, 100 mmol). After stirring for 16 hours, the reaction temperature was raised to 70° C. and imidazole (26.5 g, 0.39 mol) was added. After stirring for 1 day, the reaction was cooled to ambient temperature and added to ice water. The solid that formed was suction filtered and collected on paper to give 9.9 g of 2-[(2-cyanoethyl)[2-(1H-imidazol-1-yl)-6-methyl-4-pyrimidinyl]amino]acetic acid, ethyl ester (a compound of formula (Yc1)). After stirring for 1 day the reaction was cooled to ambient temperature The solid that formed filtered collected on paper

Conditions: temp:70.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To N-cyanoethylglycine, ethyl ester (15.9 g, 102 mmol) (a compound of formula (Y2)) dissolved in DMSO (70 mL) was added 4-chloro-6-methyl-2-methylsulfonylpyrimidine (18.8 g, 91 mmol) (a compound of formula (Y1)) and diisopropylethylamine (18 mL, 100 mmol). After stirring for 16 hours, the reaction temperature was raised to 70° C. and imidazole (26.5 g, 0.39 mol) was added. After stirring for 1 day, the reaction was cooled to ambient temperature and added to ice water. The solid that formed was suction filtered and collected on paper to give 9.9 g of 2-[(2-cyanoethyl)[2-(1H-imidazol-1-yl)-6-methyl-4-pyrimidinyl]amino]acetic acid, ethyl ester (a compound of formula (Yc1)). After stirring for 1 day the reaction was cooled to ambient temperature The solid that formed filtered collected on paper