Methylamine → HCID 484059, compound

Participants

Reaction Conditions

Reaction Steps

Pyridine (200 mg) and a 40% aqueous solution (250 mg) of methylamine were added to 1(5-amino-2,4-difluorophenyl)-6,7-difluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (100 mg), arid the mixture was heated and stirred overnight at 70° C. After the solvent was distilled off under reduced pressure, and ethanol (2 ml) and acetic acid (1 drop) were added to the residue to stir the mixture, solids deposited were collected by filtration and washed successively with ethanol and diethyl ether to obtain the title compound (51 mg) as a pale brown powder.

Provenance & Evidence