Phosphorus sulfide (P2S5) → HCID 118598626, compound

Participants

Reaction Steps

To a solution of 5-((6-aminopyrimidin-4-yl)amino)-3-methyl-6-oxo-1,6-dihydropyridine-2-carboxylic acid (4, 0.5 g, 1.91 mmol) in pyridine (10 mL) is added phosphorus pentasulfide (1.27 g, 5.73 mmol). The reaction is refluxed overnight. The resulting mixture is cooled to room temperature and concentrated. The crude is purified via column chromatography to afford 5-((6-aminopyrimidin-4-yl)amino)-3-methyl-6-thioxo-1,6-dihydropyridine-2-carboxylic acid (5).

Provenance & Evidence