N-bromobutanimide → 7-Bromo-1,5-dihydro-4H-pyrrolo[3,2-D]pyrimidin-4-one

Participants

Reaction Steps

A mixture of 3,5-dihydropyrrolo[3,2-d]pyrimidin-4-one (200 mg, 1.5 mmol, 1 equiv.) and N-bromosuccinimide (320 mg, 1.8 mmol, 1.2 equiv.) in 10 mL of DMF was stirred for 18 hours at room temperature. The reaction was diluted with water and resulting solid was collected by filtration, dried, suspended in MeOH, and filtered. The filtrate was concentrated in vacuo to provide 7-bromo-3,5-dihydropyrrolo[3,2-d]pyrimidin-4-one as a beige solid which was used without further purification.

Provenance & Evidence