benzyl 1,1-dioxo-1,4-thiazinane-4-carboxylate

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

Procedure: To a solution of benzyl 4-thiomorpholinecarboxylate (4.8 g) in methanol (30 mL) and H2O (20 mL) was added oxone (16.2 g) under ice water cooling and the mixture was stirred at ambient temperature for 2 hours. The solution was evaporated in vacuo and partitioned between EtOAc and water. The aqueous layer was extracted with EtOAc. The combined organic layer was washed with water and brine, dried over MgSO4 and evaporated in vacuo. The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc to give benzyl 4-thiomorpholinecarboxylate 1,1-dioxide as a colorless solid (3.8 g). The solution was evaporated in vacuo partitioned between EtOAc and water The aqueous layer was extracted with EtOAc The combined organic layer was washed with water and brine dried over MgSO4 evaporated in vacuo The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc

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

Procedure: To a solution of benzyl 4-thiomorpholinecarboxylate (4.8 g) in methanol (30 mL) and H2O (20 mL) was added oxone (16.2 g) under ice water cooling and the mixture was stirred at ambient temperature for 2 hours. The solution was evaporated in vacuo and partitioned between EtOAc and water. The aqueous layer was extracted with EtOAc. The combined organic layer was washed with water and brine, dried over MgSO4 and evaporated in vacuo. The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc to give benzyl 4-thiomorpholinecarboxylate 1,1-dioxide as a colorless solid (3.8 g). The solution was evaporated in vacuo partitioned between EtOAc and water The aqueous layer was extracted with EtOAc The combined organic layer was washed with water and brine dried over MgSO4 evaporated in vacuo The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc

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

Procedure: To a solution of benzyl 4-thiomorpholinecarboxylate (4.8 g) in methanol (30 mL) and H2O (20 mL) was added oxone (16.2 g) under ice water cooling and the mixture was stirred at ambient temperature for 2 hours. The solution was evaporated in vacuo and partitioned between EtOAc and water. The aqueous layer was extracted with EtOAc. The combined organic layer was washed with water and brine, dried over MgSO4 and evaporated in vacuo. The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc to give benzyl 4-thiomorpholinecarboxylate 1,1-dioxide as a colorless solid (3.8 g). The solution was evaporated in vacuo partitioned between EtOAc and water The aqueous layer was extracted with EtOAc The combined organic layer was washed with water and brine dried over MgSO4 evaporated in vacuo The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc

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

Procedure: To a solution of benzyl 4-thiomorpholinecarboxylate (4.8 g) in methanol (30 mL) and H2O (20 mL) was added oxone (16.2 g) under ice water cooling and the mixture was stirred at ambient temperature for 2 hours. The solution was evaporated in vacuo and partitioned between EtOAc and water. The aqueous layer was extracted with EtOAc. The combined organic layer was washed with water and brine, dried over MgSO4 and evaporated in vacuo. The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc to give benzyl 4-thiomorpholinecarboxylate 1,1-dioxide as a colorless solid (3.8 g). The solution was evaporated in vacuo partitioned between EtOAc and water The aqueous layer was extracted with EtOAc The combined organic layer was washed with water and brine dried over MgSO4 evaporated in vacuo The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc

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

Procedure: To a solution of benzyl 4-thiomorpholinecarboxylate (4.8 g) in methanol (30 mL) and H2O (20 mL) was added oxone (16.2 g) under ice water cooling and the mixture was stirred at ambient temperature for 2 hours. The solution was evaporated in vacuo and partitioned between EtOAc and water. The aqueous layer was extracted with EtOAc. The combined organic layer was washed with water and brine, dried over MgSO4 and evaporated in vacuo. The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc to give benzyl 4-thiomorpholinecarboxylate 1,1-dioxide as a colorless solid (3.8 g). The solution was evaporated in vacuo partitioned between EtOAc and water The aqueous layer was extracted with EtOAc The combined organic layer was washed with water and brine dried over MgSO4 evaporated in vacuo The residue was purified by silica gel column chromatography eluting with a mixture of hexane and EtOAc