Hydrochloric Acid → HCID 67457657, compound

Participants

Reaction Steps

To a flask charged with 7-(4-bromophenyl)-5-(ethylthio)imidazo[1,2-c]pyrimidine (62.34 g, 186.5 mmol), methanol (250 mL), and potassium hydroxide (52.32 g, 932.6 mmol) was added water (250 mL) and the reaction was fitted with a condenser and heated to reflux for 4 hours. The reaction mixture was diluted with water (500 mL) and acidified with concentrated hydrochloric acid to a pH=5. The solids were collected by vacuum filtration and then washed with water (3×500 mL) and the cake was dried. The semi dry solids were placed in a vacuum desiccator under high vacuum for two days to afford 7-(4-bromophenyl)imidazo[1,2-c]pyrimidin-5(6H)-one (51.25 g, 176.7 mmol, 94.71% yield). MS (apci) m/z=290.0 (M+H).

Provenance & Evidence