N-methyl-2-sulfanylacetamide

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

Procedure: To a solution of crushed sodium hydroxide pellets, 2.28 g (57 mmol), in 20 mL anhydrous methanol cooled in an ice bath was added N-methyl-2-mercaptoacetamide, 3 g (28.5 mmol), slowly, followed by the addition of 20 mL anhydrous toluene and 2-(4-bromobenzenesulfonyloxy)ethyl tetrakis(2-chloroethyl)-phosphorodiamidate, 34.4 mL of 0.83 M solution in toluene (28.5 mmol), while maintaining the temperature at 5° C. or less. After stirring for about 30 min, the reaction mixture became a white slurry. It was stirred at 5° C. to room temperature overnight. LC-MS analysis indicated all the starting material, N-methyl-2-mercaptoacetamide, was consumed and the desired product was formed as a major product. The mixture was filtered and the filtrate was concentrated. The residue was partitioned between diisopropyl acetate and brine. The aqueous phase was further extracted with diisopropyl acetate three times, and the combined organic phases were dried (MgSO4) and evaporated to give the crude product, which was purified by column chromatography on a silica column using hexane/acetate and acetate/methanol as eluting solvents to afford N-methyl-2-[[2-[[bis[bis(2-chloroethyl)amino]phosphinyl]oxy]ethyl]thio]acetamide as a light yellow oil, 12 g (88% yield). 1H NMR (DMSO): δ 7.90 (bs, 1H) 4.05 (m, 2H), 3.71 (m, 8H), 3.33 (m, 8H), 3.12 (s, 2H), 2.87 (m, 2H), 2.59 (d, 3H, J=4.7 Hz), 2.76 (m, 1H). Mass spectrum (LC-MS): m/z 496 [C13H26Cl4N3O3PS+H]+. while maintaining the temperature at 5° C. or less It was stirred at 5° C. to room temperature overnight was consumed

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

Procedure: To a solution of crushed sodium hydroxide pellets, 2.28 g (57 mmol), in 20 mL anhydrous methanol cooled in an ice bath was added N-methyl-2-mercaptoacetamide, 3 g (28.5 mmol), slowly, followed by the addition of 20 mL anhydrous toluene and 2-(4-bromobenzenesulfonyloxy)ethyl tetrakis(2-chloroethyl)-phosphorodiamidate, 34.4 mL of 0.83 M solution in toluene (28.5), while maintaining the temperature at 5° C. or less. After stirring for about 30 min, the reaction mixture became a white slurry. It was stirred at 5° C. to room temperature overnight. LC-MS analysis indicated all the starting material, N-methyl-2-mercaptoacetamide, was consumed and the desired product was formed as a major product. The mixture was filtered and the filtrate was concentrated. The residue was partitioned between diisopropyl acetate and brine. The aqueous phase was further extracted with diisopropyl acetate three times, and the combined organic phases were dried (MgSO4) and evaporated to give the crude product, which was purified by column chromatography on a silica column using hexane/acetate and acetate/methanol as eluting solvents to afford N-methyl-2-[[2-[[bis[bis(2-chloroethyl)amino]phosphinyl]oxy]ethyl]thio]acetamide as a light yellow oil, 12 g (88% yield). 1H NMR (DMSO): δ 7.90 (bs, 1H) 4.05 (m, 2H), 3.71 (m, 8H), 3.33 (m, 8H), 3.12 (s, 2H), 2.87 (m, 2H), 2.59 (d, 3H, J=4.7 Hz), 2.76 (m, 1H). Mass spectrum (LC-MS): m/z 496 [C13H26Cl4N3O3PS+H]+. while maintaining the temperature at 5° C. or less It was stirred at 5° C. to room temperature overnight was consumed

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

Procedure: To a solution of crushed sodium hydroxide pellets, 2.28 g (57 mmol), in 20 mL anhydrous methanol cooled in an ice bath was added N-methyl-2-mercaptoacetamide, 3 g (28.5 mmol), slowly, followed by the addition of 20 mL anhydrous toluene and 2-(4-bromobenzenesulfonyloxy)ethyl tetrakis(2-chloroethyl)-phosphorodiamidate, 34.4 mL of 0.83 M solution in toluene (28.5), while maintaining the temperature at 5° C. or less. After stirring for about 30 min, the reaction mixture became a white slurry. It was stirred at 5° C. to room temperature overnight. LC-MS analysis indicated all the starting material, N-methyl-2-mercaptoacetamide, was consumed and the desired product was formed as a major product. The mixture was filtered and the filtrate was concentrated. The residue was partitioned between diisopropyl acetate and brine. The aqueous phase was further extracted with diisopropyl acetate three times, and the combined organic phases were dried (MgSO4) and evaporated to give the crude product, which was purified by column chromatography on a silica column using hexane/acetate and acetate/methanol as eluting solvents to afford N-methyl-2-[[2-[[bis[bis(2-chloroethyl)amino]phosphinyl]oxy]ethyl]thio]acetamide as a light yellow oil, 12 g (88% yield). 1H NMR (DMSO): δ 7.90 (bs, 1H) 4.05 (m, 2H), 3.71 (m, 8H), 3.33 (m, 8H), 3.12 (s, 2H), 2.87 (m, 2H), 2.59 (d, 3H, J=4.7 Hz), 2.76 (m, 1H). Mass spectrum (LC-MS): m/z 496 [C13H26Cl4N3O3PS+H]+. while maintaining the temperature at 5° C. or less It was stirred at 5° C. to room temperature overnight was consumed

Conditions: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of omega-cyano-allyl bromide (9.07 g) in tetrahydrofurane (60 ml) cooled at -65° C. is added a mixture of triethylamine (9.5 ml) and thioglycolic methylamide (6.13 ml). After 15 minutes, cooling is stopped and the mixture is warmed to 0° C. The mixture is diluted with water and extracted with ethyl acetate. The extract is washed with water, dried, and concentrated to give 5-cyanomethyl-4-methyl-3-oxothiomorpholine (6.86 g). is added cooling extracted with ethyl acetate The extract is washed with water dried concentrated

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

Procedure: To a solution of crushed sodium hydroxide pellets, 2.28 g (57 mmol), in 20 mL anhydrous methanol cooled in an ice bath was added N-methyl-2-mercaptoacetamide, 3 g (28.5 mmol), slowly, followed by the addition of 20 mL anhydrous toluene and 2-(4-bromobenzenesulfonyloxy)ethyl tetrakis(2-chloroethyl)-phosphorodiamidate, 34.4 mL of 0.83 M solution in toluene (28.5 mmol), while maintaining the temperature at 5° C. or less. After stirring for about 30 min, the reaction mixture became a white slurry. It was stirred at 5° C. to room temperature overnight. LC-MS analysis indicated all the starting material, N-methyl-2-mercaptoacetamide, was consumed and the desired product was formed as a major product. The mixture was filtered and the filtrate was concentrated. The residue was partitioned between diisopropyl acetate and brine. The aqueous phase was further extracted with diisopropyl acetate three times, and the combined organic phases were dried (MgSO4) and evaporated to give the crude product, which was purified by column chromatography on a silica column using hexane/acetate and acetate/methanol as eluting solvents to afford N-methyl-2-[[2-[[bis[bis(2-chloroethyl)amino]phosphinyl]oxy]ethyl]thio]acetamide as a light yellow oil, 12 g (88% yield). 1H NMR (DMSO): δ 7.90 (bs, 1H) 4.05 (m, 2H), 3.71 (m, 8H), 3.33 (m, 8H), 3.12 (s, 2H), 2.87 (m, 2H), 2.59 (d, 3H, J=4.7 Hz), 2.76 (m, 1H). Mass spectrum (LC-MS): m/z 496 [C13H26Cl4N3O3PS+H]+. while maintaining the temperature at 5° C. or less It was stirred at 5° C. to room temperature overnight was consumed

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

Procedure: To a solution of crushed sodium hydroxide pellets, 2.28 g (57 mmol), in 20 mL anhydrous methanol cooled in an ice bath was added N-methyl-2-mercaptoacetamide, 3 g (28.5 mmol), slowly, followed by the addition of 20 mL anhydrous toluene and 2-(4-bromobenzenesulfonyloxy)ethyl tetrakis(2-chloroethyl)-phosphorodiamidate, 34.4 mL of 0.83 M solution in toluene (28.5 mmol), while maintaining the temperature at 5° C. or less. After stirring for about 30 min, the reaction mixture became a white slurry. It was stirred at 5° C. to room temperature overnight. LC-MS analysis indicated all the starting material, N-methyl-2-mercaptoacetamide, was consumed and the desired product was formed as a major product. The mixture was filtered and the filtrate was concentrated. The residue was partitioned between diisopropyl acetate and brine. The aqueous phase was further extracted with diisopropyl acetate three times, and the combined organic phases were dried (MgSO4) and evaporated to give the crude product, which was purified by column chromatography on a silica column using hexane/acetate and acetate/methanol as eluting solvents to afford N-methyl-2-[[2-[[bis[bis(2-chloroethyl)amino]phosphinyl]oxy]ethyl]thio]acetamide as a light yellow oil, 12 g (88% yield). 1H NMR (DMSO): δ 7.90 (bs, 1H) 4.05 (m, 2H), 3.71 (m, 8H), 3.33 (m, 8H), 3.12 (s, 2H), 2.87 (m, 2H), 2.59 (d, 3H, J=4.7 Hz), 2.76 (m, 1H). Mass spectrum (LC-MS): m/z 496 [C13H26Cl4N3O3PS+H]+. while maintaining the temperature at 5° C. or less It was stirred at 5° C. to room temperature overnight was consumed

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

Procedure: Prepared as for Example 101b using N-(5-bromo-3-methoxy-2-pyrazinyl)-2,3-dichloro-N-[{2-(trimethylsilanyl)ethoxy}methyl]benzenesulphonamide (Example 55a) (0.4 g) and 2-mercapto-N-methylacetamide (0.1 g). The intermediate product containing the SEM (2-[trimethylsilyl]ethoxymethyl) group was purified by silica gel chromatography eluting with ethyl acetate/iso-hexane mixtures. Deprotection as for Example 101b gave the title compound. Yield 0.05 g. Prepared as for Example 101b The intermediate product containing the SEM (2-[trimethylsilyl]ethoxymethyl) group was purified by silica gel chromatography eluting with ethyl acetate/iso-hexane mixtures

Conditions: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of omega-cyano-allyl bromide (9.07 g) in tetrahydrofurane (60 ml) cooled at -65° C. is added a mixture of triethylamine (9.5 ml) and thioglycolic methylamide (6.13 ml). After 15 minutes, cooling is stopped and the mixture is warmed to 0° C. The mixture is diluted with water and extracted with ethyl acetate. The extract is washed with water, dried, and concentrated to give 5-cyanomethyl-4-methyl-3-oxothiomorpholine (6.86 g). is added cooling extracted with ethyl acetate The extract is washed with water dried concentrated

Conditions: temp:100.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Sodium hydride (320 mg, 8 mmol 60% in mineral oil) was washed with hexane. Thereto were added DMF (10 ml), 2-mercapto-N-methylacetamide (1 ml) and 6-amino-9-benzyl-2-chloropurine (200 mg, 0.77 mmol) in order. The mixture was stirred at 100° C. for 8 hours. After addition of saturated brine the reaction mixture was extracted with ethyl acetate. The organic layer was dried on magnesium sulfate and the solvent was removed in vacuo. The residue was purified with silica gel chromatography (3% methanol/chloroform) to give the subject compound (158 mg, yield 60%). was extracted with ethyl acetate The organic layer was dried on magnesium sulfate the solvent was removed in vacuo The residue was purified with silica gel chromatography (3% methanol/chloroform)

Conditions: temp:100.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Sodium hydride (320 mg, 8 mmol 60% in mineral oil) was washed with hexane. Thereto were added DMF (10 ml), 2-mercapto-N-methylacetamide (1 ml) and 6-amino-9-benzyl-2-chloropurine (200 mg, 0.77 mmol) in order. The mixture was stirred at 100° C. for 8 hours. After addition of saturated brine the reaction mixture was extracted with ethyl acetate. The organic layer was dried on magnesium sulfate and the solvent was removed in vacuo. The residue was purified with silica gel chromatography (3% methanol/chloroform) to give the subject compound (158 mg, yield 60%). was extracted with ethyl acetate The organic layer was dried on magnesium sulfate the solvent was removed in vacuo The residue was purified with silica gel chromatography (3% methanol/chloroform)

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

Procedure: A solution of methyl 3-(3-pyridylcarbonyl)but-3-enoate in dichloromethane (0.5 mL, 0.1 mM), triethylamine in dichloromethane (0.5 mL, 0.1 mM) and N-methyl-2-sulfanylacetamide (0.6 mL, 0.12 mmol) was stirred for 24 h. PS isocyanate resin (60 mg) was added to the reaction mixture and stirred for 24 h. The solution was filtered and concentrated to give the title compound in quantitative yield, ESMS, (M+1)+311. The solution was filtered concentrated

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

Procedure: To a solution of crushed sodium hydroxide pellets, 2.28 g (57 mmol), in 20 mL anhydrous methanol cooled in an ice bath was added N-methyl-2-mercaptoacetamide, 3 g (28.5 mmol), slowly, followed by the addition of 20 mL anhydrous toluene and 2-(4-bromobenzenesulfonyloxy)ethyl tetrakis(2-chloroethyl)-phosphorodiamidate, 34.4 mL of 0.83 M solution in toluene (28.5), while maintaining the temperature at 5° C. or less. After stirring for about 30 min, the reaction mixture became a white slurry. It was stirred at 5° C. to room temperature overnight. LC-MS analysis indicated all the starting material, N-methyl-2-mercaptoacetamide, was consumed and the desired product was formed as a major product. The mixture was filtered and the filtrate was concentrated. The residue was partitioned between diisopropyl acetate and brine. The aqueous phase was further extracted with diisopropyl acetate three times, and the combined organic phases were dried (MgSO4) and evaporated to give the crude product, which was purified by column chromatography on a silica column using hexane/acetate and acetate/methanol as eluting solvents to afford N-methyl-2-[[2-[[bis[bis(2-chloroethyl)amino]phosphinyl]oxy]ethyl]thio]acetamide as a light yellow oil, 12 g (88% yield). 1H NMR (DMSO): δ 7.90 (bs, 1H) 4.05 (m, 2H), 3.71 (m, 8H), 3.33 (m, 8H), 3.12 (s, 2H), 2.87 (m, 2H), 2.59 (d, 3H, J=4.7 Hz), 2.76 (m, 1H). Mass spectrum (LC-MS): m/z 496 [C13H26Cl4N3O3PS+H]+. while maintaining the temperature at 5° C. or less It was stirred at 5° C. to room temperature overnight was consumed