ethyl 2-methyl-3-oxo-4H-1,4-benzoxazine-2-carboxylate

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

Procedure: The title compound was prepared from ethyl-3,4-dihydro-2-methyl-3-oxo-2H-1,4-benzoxazine-2-carboxylate and ethyl bromide according to the procedure described in Example 16. The title product was a viscous oil, which was purified by column chromatography (silica gel; dichloromethane/methanol 100:1). was purified by column chromatography (silica gel; dichloromethane/methanol 100:1)

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

Procedure: The title compound was prepared from ethyl-3,4-dihydro-2-methyl-3-oxo-2H-1,4-benzoxazine-2-carboxylate and ethyl bromide according to the procedure described in Example 16. The title product was a viscous oil, which was purified by column chromatography (silica gel; dichloromethane/methanol 100:1). was purified by column chromatography (silica gel; dichloromethane/methanol 100:1)

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

Procedure: The title compound was prepared from ethyl-3,4-dihydro-2-methyl-3-oxo-2H-1,4-benzoxazine-2-carboxylate and ethyl bromide according to the procedure described in Example 16. The title product was a viscous oil, which was purified by column chromatography (silica gel; dichloromethane/methanol 100:1). was purified by column chromatography (silica gel; dichloromethane/methanol 100:1)

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

Procedure: The title compound was prepared from ethyl-3,4-dihydro-2-methyl-3-oxo-2H-1,4-benzoxazine-2-carboxylate and ethyl bromide according to the procedure described in Example 16. The title product was a viscous oil, which was purified by column chromatography (silica gel; dichloromethane/methanol 100:1). was purified by column chromatography (silica gel; dichloromethane/methanol 100:1)