Methylamine → 1-Benzyl-8-hydroxy-2-oxo-1,2-dihydro-[1,6]naphthyridine-7-carboxylic acid methylamide

Participants

Reaction Conditions

Reaction Steps

A mixture of 1-benzyl-8-hydroxy-2-oxo-1,2-dihydro-[1,6]naphthyridine-7-carboxylic acid methyl ester (15 mg, 0.048 mmol) and methylamine (1 mL, 2 M in THF) in 2 mL of EtOH was heated in a sealed tube at 80° C. for 16 h. Solvent was evaporated in vacuo, and the residue was purified by silica gel chromatography (0-5% MeOH/CH2Cl2) to give 9.1 mg of the title compound as a pale yellow solid. MS: (+) m/z 310.27 (M+1).

Provenance & Evidence